Contraceptives
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Errin Prescribing Information

Drug Detail:Errin (Norethindrone [ nor-eth-in-drone ])

Drug Class: Contraceptives Progestins

Contents
Uses Warnings Before Taking Dosage Side effects Interactions

Rx Only

Rev 11/2021

Patients should be counseled that this product does not protect against HIV infection (AIDS) and other sexually transmitted diseases.

Related/similar drugs

norethindrone, medroxyprogesterone, levonorgestrel, Provera, Depo-Provera, Mirena

Indications and Usage for Errin

1. Indications

Progestin-only oral contraceptives are indicated for the prevention of pregnancy.

2. Efficacy

If used perfectly, the first-year failure rate for progestin-only oral contraceptives is 0.3%. However, the typical failure rate is estimated to be closer to 9%, due to late or omitted pills. Table 1 lists the pregnancy rates for users of all major methods of contraception.
Table 1: Percentage of Women Experiencing an Unintended Pregnancy During the First Year of Typical Use and the First Year of Perfect Use of Contraception and the Percentage Continuing Use at the End of the First Year. United States.
% of Women Experiencing an Unintended Pregnancy within the First Year of Use% of Women Continuing Use at One Year*
Method
(1)		Typical Use†
(2)		Perfect Use‡
(3)		(4)
Emergency Contraception: Emergency contraceptive pills or insertion of a copper intrauterine contraceptive after unprotected intercourse substantially reduces the risk of pregnancy.§ (See Chapter 6).
Lactational Amenorrhea Method: LAM is highly effective, temporary method of contraception.¶ (See Chapter 18).
Source: Trussell J, Contraceptive Efficacy. In Hatcher RA, Trussell J, Nelson AL, Cates W, Kowal D, Policar M. Contraceptive Technology: Twentieth Revised Edition. New York NY: Ardent Media, 2011.
Notes:
*
Among couples attempting to avoid pregnancy, the percentage who continue to use a method for 1 year.
†
Among typical couples who initiate use of a method (not necessarily for the first time), the percentage who experience an accidental pregnancy during the first year if they do not stop use for any other reason. Estimates of the probability of pregnancy during the first year of typical use for spermicides, withdrawal, fertility awareness-based methods, the diaphragm, the male condom, the oral contraceptive pill, and Depo-Provera are taken from the 1995 National Survey of Family Growth corrected for underreporting of abortion; see the text for the derivation of estimates for the other methods.
‡
Among couples who initiate use of a method (not necessarily for the first time) and who use it perfectly (both consistently and correctly), the percentage who experience an accidental pregnancy during the first year if they do not stop use for any other reason. See the text for the derivation of the estimate for each method.
§
ella, Plan B One-Step and Next Choice are the only dedicated products specifically marketed for emergency contraception. The label for Plan B One-Step (one dose is 1 white pill) says to take the pill within 72 hours after unprotected intercourse. Research has shown that all of the brands listed here are effective when used within 120 hours after unprotected sex. The label for Next Choice (one dose is 1 peach pill) says to take 1 pill within 72 hours after unprotected intercourse and another pill 12 hours later. Research has shown that both pills can be taken at the same time with no decrease in efficacy or increase in side effects and that they are effective when used within 120 hours after unprotected sex. The FDA has in addition declared the following 19 brands of oral contraceptives to be safe and effective for emergency contraception: Ogestrel (1 dose is 2 white pills), Nordette (1 dose is 4 light-orange pills), Cryselle, Levora, Low-Ogestrel, Lo/Ovral, or Quasence (1 dose is 4 white pills), Jolessa, Portia, Seasonale or Trivora (1 dose is 4 pink pills), Seasonique (1 dose is 4 light-blue-green pills), Enpresse (one dose is 4 orange pills), Lessina (1 dose is 5 pink pills), Aviane or LoSeasonique (one dose is 5 orange pills), Lutera or Sronyx (one dose is 5 white pills), and Lybrel (one dose is 6 yellow pills).
However, to maintain effective protection against pregnancy, another method of contraception must be used as soon as menstruation resumes, the frequency or duration of breastfeeds is reduced, bottle feeds are introduced, or the baby reaches 6 months of age.
#
The percentages becoming pregnant in columns (2) and (3) are based on data from populations where contraception is not used and from women who cease using contraception in order to become pregnant. Among such populations, about 89% become pregnant within 1 year. This estimate was lowered slightly (to 85%) to represent the percentage who would become pregnant within 1 year among women now relying on reversible methods of contraception if they abandoned contraception altogether.
Þ
Foams, creams, gels, vaginal suppositories, and vaginal film.
ß
The Ovulation and TwoDay methods are based on evaluation of cervical mucus. The Standard Days method avoids intercourse on cycle days 8 through 19. The Symptothermal method is a double-check method based on evaluation of cervical mucus to determine the first fertile day and evaluation of cervical mucus and temperature to determine the last fertile day.
à
Without spermicides.
è
With spermicidal cream or jelly.
No Method#8585
SpermicidesÞ281842
Fertility awareness-based methods2447
Standard Days methodß5
Two Day Method4
Ovulation methodß3
Symptothermal methodß0.4
Withdrawal22446
Sponge36
Parous Women2420
Nulliparous Women129
Condomà
Female (fc)21541
Male18243
Diaphragmè12657
Combined pill and progestin-only pill90.367
norelgestromin and ethinyl estradiol patch90.367
NuvaRing90.367
Depo-Provera60.256
Intrauterine contraceptives
ParaGard(copper T)0.80.678
Mirena (LNg)0.20.280
Implanon0.050.0584
Female Sterilization0.50.5100
Male Sterilization0.150.10100

Errin® Tablets have not been studied for and are not indicated for use in emergency contraception.

Warnings

Cigarette smoking increases the risk of serious cardiovascular disease. Women who use oral contraceptives should be strongly advised not to smoke.

Errin® does not contain estrogen and, therefore, this insert does not discuss the serious health risks that have been associated with the estrogen component of combined oral contraceptives (COCs). The healthcare professional is referred to the prescribing information of combined oral contraceptives for a discussion of those risks. The relationship between progestin-only oral contraceptives and these risks is not fully defined. The healthcare professional should remain alert to the earliest manifestation of symptoms of any serious disease and discontinue oral contraceptive therapy when appropriate.

1. Ectopic Pregnancy

The incidence of ectopic pregnancies for progestin-only oral contraceptive users is 5 per 1000 woman-years. Up to 10% of pregnancies reported in clinical studies of progestin-only oral contraceptive users are extrauterine. Although symptoms of ectopic pregnancy should be watched for, a history of ectopic pregnancy need not be considered a contraindication to use of this contraceptive method. Healthcare professionals should be alert to the possibility of an ectopic pregnancy in women who become pregnant or complain of lower abdominal pain while on progestin-only oral contraceptives.

2. Delayed Follicular Atresia/Ovarian Cysts

If follicular development occurs, atresia of the follicle is sometimes delayed and the follicle may continue to grow beyond the size it would attain in a normal cycle. Generally these enlarged follicles disappear spontaneously. Often they are asymptomatic; in some cases they are associated with mild abdominal pain. Rarely they may twist or rupture, requiring surgical intervention.

3. Irregular Genital Bleeding

Irregular menstrual patterns are common among women using progestin-only oral contraceptives. If genital bleeding is suggestive of infection, malignancy or other abnormal conditions, such nonpharmacologic causes should be ruled out. If prolonged amenorrhea occurs, the possibility of pregnancy should be evaluated.

4. Carcinoma of the Breast and Reproductive Organs

Some epidemiological studies of oral contraceptive users have reported an increased relative risk of developing breast cancer, particularly at a younger age and apparently related to duration of use. These studies have predominantly involved combined oral contraceptives and there is insufficient data to determine whether the use of POPs similarly increases the risk.

A meta-analysis of 54 studies found a small increase in the frequency of having breast cancer diagnosed for women who were currently using combined oral contraceptives or had used them within the past ten years.

This increase in the frequency of breast cancer diagnosis, within ten years of stopping use, was generally accounted for by cancers localized to the breast. There was no increase in the frequency of having breast cancer diagnosed ten or more years after cessation of use.

Women with breast cancer should not use oral contraceptives because the role of female hormones in breast cancer has not been fully determined.

Some studies suggest that oral contraceptive use has been associated with an increase in the risk of cervical intraepithelial neoplasia in some populations of women. However, there continues to be controversy about the extent to which such findings may be due to differences in sexual behavior and other factors. There is insufficient data to determine whether the use of POPs increases the risk of developing cervical intraepithelial neoplasia.

5. Hepatic Neoplasia

Benign hepatic adenomas are associated with combined oral contraceptive use, although the incidence of benign tumors is rare in the United States. Rupture of benign, hepatic adenomas may cause death through intra-abdominal hemorrhage.

Studies have shown an increased risk of developing hepatocellular carcinoma in combined oral contraceptive users. However, these cancers are rare in the U.S. There is insufficient data to determine whether POPs increase the risk of developing hepatic neoplasia.

Precautions

2. Physical Examination and Follow-up

It is considered good medical practice for sexually active women using oral contraceptives to have annual history and physical examinations. The physical examination may be deferred until after initiation of oral contraceptives if requested by the woman and judged appropriate by the healthcare professional.

3. Carbohydrate and Lipid Metabolism

Some users may experience slight deterioration in glucose tolerance, with increases in plasma insulin but women with diabetes mellitus who use progestin-only oral contraceptives do not generally experience changes in their insulin requirements. Nonetheless, prediabetic and diabetic women in particular should be carefully monitored while taking POPs.

Lipid metabolism is occasionally affected in that HDL, HDL2, and apolipoprotein A-I and A-II may be decreased; hepatic lipase may be increased. There is usually no effect on total cholesterol, HDL3, LDL, or VLDL.

4. Drug Interactions

Consult the labeling of concurrently-used drugs to obtain further information about interactions with hormonal contraceptives or the potential for enzyme alterations.

• Effect of Other Drugs on Hormonal Contraceptives

Substances decreasing the systemic concentrations of hormonal contraceptives (HCs) and potentially diminishing the efficacy of HCs

Drugs or herbal products that induce certain enzymes, including cytochrome P450 3A4 (CYP3A4), may decrease the systemic concentrations of HCs and potentially diminish the effectiveness of HCs or increase breakthrough bleeding.

Some drugs or herbal products that may decrease the effectiveness of HCs include efavirenz, phenytoin, barbiturates, carbamazepine, bosentan, felbamate, griseofulvin, oxcarbazepine, rifampicin, rifabutin, rufinamide, aprepitant, and products containing St. John's wort. Interactions between HCs and other drugs may lead to breakthrough bleeding and/or contraceptive failure. Counsel women to use an alternative non-hormonal method of contraception or a back-up method when enzyme inducers are used with HCs, and to continue back-up non-hormonal contraception for 28 days after discontinuing the enzyme inducer to ensure contraceptive reliability.

Substances increasing the systemic concentrations of HCs

Co-administration of certain HCs and strong or moderate CYP3A4 inhibitors such as itraconazole, voriconazole, fluconazole, grapefruit juice, or ketoconazole may increase the systemic concentrations of progestins, including norethindrone.

Human Immunodeficiency Virus (HIV)/Hepatitis C Virus (HCV) protease inhibitors and nonnucleoside reverse transcriptase inhibitors

Significant decreases in systemic concentrations of progestin have been noted in cases of co-administration with some HIV protease inhibitors (e.g., nelfinavir, ritonavir, darunavir/ritonavir, (fos)amprenavir/ritonavir, lopinavir/ritonavir, and tipranavir/ritonavir), some HCV protease inhibitors (e.g., boceprevir and telaprevir), and some non-nucleoside reverse transcriptase inhibitors (e.g., nevirapine, efavirenz).

In contrast, significant increases in systemic exposure of the progestin have been noted in cases of co-administration with certain other HIV protease inhibitors (e.g., indinavir and atazanavir/ritonavir) and with other non-nucleoside reverse transcriptase inhibitors (e.g., etravirine).

These changes may be clinically relevant in some cases.

Consult the prescribing information of anti-viral and anti-retroviral concomitant medications to identify potential interactions.

• Effects of Hormonal Contraceptives on Other Drugs

Hormonal contraceptives may affect the metabolism of other drugs. Consequently, systemic concentrations may either increase (for example, cyclosporine) or decrease. Consult the labeling of all concurrently-used drugs to obtain further information about interactions with hormonal contraceptives or the potential for enzyme alterations.

• Interactions between ulipristal and hormonal contraceptives

Effectiveness of progestin-containing hormonal contraceptives and emergency contraceptive ulipristal acetate may be decreased if progestin-containing hormonal contraceptives are used within five days after ulipristal acetate dosing. Therefore, if a woman wishes to use Errin® after using ulipristal acetate, she should do so no sooner than 5 days after the intake of ulipristal acetate and she should use a reliable barrier method for subsequent acts of intercourse until her next menstrual period.

10. Fertility Following Discontinuation

The limited available data indicate a rapid return of normal ovulation and fertility following discontinuation of progestin-only oral contraceptives.

11. Headache

The onset or exacerbation of migraine or development of severe headache with focal neurological symptoms which is recurrent or persistent requires discontinuation of progestin-only contraceptives and evaluation of the cause.

Distributed by:
Mayne Pharma
Greenville, NC 27834

Rev. 11/2021
20769066

DETAILED PATIENT LABELING Errin® (norethindrone tablets USP, 0.35 mg)

This product (like all oral contraceptives) is used to prevent pregnancy. It does not protect against HIV infection (AIDS) and other sexually transmitted diseases.

DESCRIPTION

Errin® Tablets

Each yellow tablet contains 0.35 mg norethindrone. Inactive ingredients include anhydrous lactose, corn starch, D&C yellow no. 10 aluminum lake, ethylcellulose aqueous dispersion, lactose monohydrate, magnesium stearate, microcrystalline cellulose and povidone.

INTRODUCTION

This leaflet is about birth control pills that contain one hormone, a progestin. Please read this leaflet before you begin to take your pills. It is meant to be used along with talking with your healthcare professional.

Progestin-only pills are often called "POPs" or "the minipill". POPs have less progestin than the combined birth control pill (or "the pill") which contains both an estrogen and a progestin.

HOW EFFECTIVE ARE POPs?

About 1 in 200 POP users will get pregnant in the first year if they all take POPs perfectly (that is, on time, every day). About 1 in 20 "typical" POP users (including women who are late taking pills or miss pills) gets pregnant in the first year of use. Table 2 will help you compare the efficacy of different methods.

Table 2: Percentage of Women Experiencing an Unintended Pregnancy During the First Year of Typical Use and the First Year of Perfect Use of Contraception and the Percentage Continuing Use at the End of the First Year. United States.
% of Women Experiencing an Unintended Pregnancy within the First Year of Use% of Women Continuing Use at One Year*
Method
(1)		Typical Use†
(2)		Perfect Use‡
(3)		(4)
Emergency Contraception: Emergency contraceptive pills or insertion of a copper intrauterine contraceptive after unprotected intercourse substantially reduces the risk of pregnancy.§ (See Chapter 6).
Lactational Amenorrhea Method: LAM is highly effective, temporary method of contraception.¶ (See Chapter 18).
Source: Trussell J, Contraceptive Efficacy. In Hatcher RA, Trussell J, Nelson AL, Cates W, Kowal D, Policar M. Contraceptive Technology: Twentieth Revised Edition. New York NY: Ardent Media, 2011.
Notes:
*
Among couples attempting to avoid pregnancy, the percentage who continue to use a method for 1 year.
†
Among typical couples who initiate use of a method (not necessarily for the first time), the percentage who experience an accidental pregnancy during the first year if they do not stop use for any other reason. Estimates of the probability of pregnancy during the first year of typical use for spermicides, withdrawal, fertility awareness-based methods, the diaphragm, the male condom, the oral contraceptive pill, and Depo-Provera are taken from the 1995 National Survey of Family Growth corrected for underreporting of abortion; see the text for the derivation of estimates for the other methods.
‡
Among couples who initiate use of a method (not necessarily for the first time) and who use it perfectly (both consistently and correctly), the percentage who experience an accidental pregnancy during the first year if they do not stop use for any other reason. See the text for the derivation of the estimate for each method.
§
ella, Plan B One-Step and Next Choice are the only dedicated products specifically marketed for emergency contraception. The label for Plan B One-Step (one dose is 1 white pill) says to take the pill within 72 hours after unprotected intercourse. Research has shown that all of the brands listed here are effective when used within 120 hours after unprotected sex. The label for Next Choice (one dose is 1 peach pill) says to take 1 pill within 72 hours after unprotected intercourse and another pill 12 hours later. Research has shown that both pills can be taken at the same time with no decrease in efficacy or increase in side effects and that they are effective when used within 120 hours after unprotected sex. The FDA has in addition declared the following 19 brands or oral contraceptives to be safe and effective for emergency contraception: Ogestrel (1 dose is 2 white pills), Nordette (1 dose is 4 light-orange pills), Cryselle, Levora, Low-Ogestrel, Lo/Ovral, or Quasence (1 dose is 4 white pills), Jolessa, Portia, Seasonale or Trivora (1 dose is 4 pink pills), Seasonique (1 dose is 4 light-blue-green pills), Enpresse (one dose is 4 orange pills), Lessina (1 does is 5 pink pills), Aviane or LoSeasonique (one dose is 5 orange pills), Lutera or Sronyx (one dose is 5 white pills), and Lybrel (one dose is 6 yellow pills).
However, to maintain effective protection against pregnancy, another method of contraception must be used as soon as menstruation resumes, the frequency or duration of breastfeeds is reduced, bottle feeds are introduced, or the baby reaches six months of age.
#
The percentages becoming pregnant in columns (2) and (3) are based on data from populations where contraception is not used and from women who cease using contraception in order to become pregnant. Among such populations, about 89% become pregnant within 1 year. This estimate was lowered slightly (to 85%) to represent the percentage who would become pregnant within 1 year among women now relying on reversible methods of contraception if they abandoned contraception altogether.
Þ
Foams, creams, gels, vaginal suppositories, and vaginal film.
ß
The Ovulation and TwoDay methods are based on evaluation of cervical mucus. The Standard Days method avoids intercourse on cycle days 8 through 19. The Symptothermal method is a double-check method based on evaluation of cervical mucus to determine the first fertile day and evaluation of cervical mucus and temperature to determine the last fertile day.
à
Without spermicides.
è
With spermicidal cream or jelly.
No method#8585
SpermicidesÞ281842
Fertility awareness-based methods2447
Standard Days methodß5
TwoDay methodß4
Ovulation methodß3
Symptothermal methodß0.4
Withdrawal22446
Sponge36
Parous Women2420
Nulliparous Women129
Condomà
Female (fc)21541
Male18243
Diaphragmè12657
Combined pill and progestin-only pill90.367
Intrauterine contraceptives
norelgestromin and ethinyl estradiol patch90.367
NuvaRing90.367
Depo-Provera60.256
Intrauterine contraceptives
ParaGard (copper T)0.80.678
Mirena (LNg)0.20.280
Implanon0.050.0584
Female Sterilization0.50.5100
Male Sterilization0.150.10100

Errin® Tablets have not been studied for and are not indicated for use in emergency contraception.

HOW DO POPs WORK?

POPs can prevent pregnancy in different ways including:

  • They make the cervical mucus at the entrance to the womb (the uterus) too thick for the sperm to get through to the egg.
  • They prevent ovulation (release of the egg from the ovary) in about half of the cycles.
  • They also affect other hormones, the fallopian tubes and the lining of the uterus.

YOU SHOULD NOT TAKE POPs

  • If there is any chance you may be pregnant.
  • If you have breast cancer.
  • If you have bleeding between your periods that has not been diagnosed.
  • If you are hypersensitive, or allergic, to any component of this product.
  • If you have liver tumors, either benign or cancerous.
  • If you have acute liver disease.

RISKS OF TAKING POPs

Cigarette smoking greatly increases the possibility of suffering heart attacks and strokes. Women who use oral contraceptives are strongly advised not to smoke.

WARNING

If you have sudden or severe pain in your lower abdomen or stomach area, you may have an ectopic pregnancy or an ovarian cyst. If this happens, you should contact your healthcare professional immediately.

Ectopic Pregnancy

An ectopic pregnancy is a pregnancy outside the womb. Because POPs protect against pregnancy, the chance of having a pregnancy outside the womb is very low. If you do get pregnant while taking POPs, you have a slightly higher chance that the pregnancy will be ectopic than do users of some other birth control methods.

Ovarian Cysts

These cysts are small sacs of fluid in the ovary. They are more common among POP users than among users of most other birth control methods. They usually disappear without treatment and rarely cause problems.

Cancer of the Reproductive Organs and Breasts

Some studies in women who use combined oral contraceptives that contain both estrogen and a progestin have reported an increase in the risk of developing breast cancer, particularly at a younger age and apparently related to duration of use. There is insufficient data to determine whether the use of POPs similarly increases this risk.

A meta-analysis of 54 studies found a small increase in the frequency of having breast cancer diagnosed for women who were currently using combined oral contraceptives or had used them within the past ten years. This increase in the frequency of breast cancer diagnosis, within ten years of stopping use, was generally accounted for by cancers localized to the breast. There was no increase in the frequency of having breast cancer diagnosed ten or more years after cessation of use.

Some studies have found an increase in the incidence of cancer of the cervix in women who use oral contraceptives. However, this finding may be related to factors other than the use of oral contraceptives and there is insufficient data to determine whether the use of POPs increases the risk of developing cancer of the cervix.

Liver Tumors

In rare cases, combined oral contraceptives can cause benign but dangerous liver tumors. These benign liver tumors can rupture and cause fatal internal bleeding. In addition, some studies report an increased risk of developing liver cancer among women who use combined oral contraceptives. However, liver cancers are rare. There is insufficient data to determine whether POPs increase the risk of liver tumors.

Diabetic Women

Diabetic women taking POPs do not generally require changes in the amount of insulin they are taking. However, your healthcare professional may monitor you more closely under these conditions.

SEXUALLY TRANSMITTED DISEASES (STDs)

WARNING: POPs do not protect against getting or giving someone HIV (AIDS) or any other STD, such as chlamydia, gonorrhea, genital warts or herpes.

SIDE EFFECTS

Irregular Bleeding

The most common side effect of POPs is a change in menstrual bleeding. Your periods may be either early or late, and you may have some spotting between periods. Taking pills late or missing pills can result in some spotting or bleeding.

Other Side Effects

Less common side effects include headaches, tender breasts, nausea, vomiting, dizziness, and fatigue. Depression, nervousness, leg pain, vaginal discharge, fluid retention, allergic reactions, jaundice or a yellowing of the skin or eyeballs, loss of scalp hair, rash/itchy rash, weight gain, acne and extra hair on your face and body have been reported, but are rare.

If you are concerned about any of these side effects, check with your healthcare professional.

USING POPs WITH OTHER MEDICINES

Before taking a POP, inform your healthcare professional of any other medication, including over-the-counter medicine, that you may be taking.

These medicines can make POPs less effective:

Medicines for seizures such as:

  • Phenytoin
  • Carbamazepine
  • Phenobarbital
  • Felbamate
  • Oxcarbazepine
  • Rufinamide

Medicine for nausea and vomiting caused by certain anti-cancer (chemotherapy) medicines:

  • (Fos)aprepitant

Medicine for tuberculosis (TB):

  • Rifampin and rifabutin

Medicine for fungal infections such as:

  • Griseofulvin

Medicine for pulmonary hypertension such as:

  • Bosentan

Medicines used for the treatment of HIV infections or AIDS and infections due to Hepatitis C such as:

  • Efavirenz, nevirapine, nelfinavir, and some ritonavir-containing drugs

Herbal products such as:

  • St. John's Wort

These medicines and substances can increase your exposure to POPs:

Grapefruit juice

Medicines for fungal infections such as:

  • Itraconazole
  • Voriconazole
  • Fluconazole
  • Ketoconazole

Before you begin taking any new medicines be sure your healthcare professional knows you are taking a progestin-only birth control pill.

HOW TO TAKE POPs

IMPORTANT POINTS TO REMEMBER

  • POPs must be taken at the same time every day, so choose a time and then take the pill at that same time every day. Every time you take a pill late, and especially if you miss a pill, you are more likely to get pregnant.
  • Start the next pack the day after the last pack is finished. There is no break between packs. Always have your next pack of pills ready.
  • You may have some menstrual spotting between periods. Do not stop taking your pills if this happens.
  • If you vomit soon after taking a pill, use a backup method (such as a condom and/or a spermicide) for 48 hours.
  • If you want to stop taking POPs, you can do so at any time, but, if you remain sexually active and don't wish to become pregnant, be certain to use another birth control method.
  • If you are not sure about how to take POPs, ask your healthcare professional.

STARTING POPs

  • It's best to take your first POP on the first day of your menstrual period.
  • If you decide to take your first POP on another day, use a backup method (such as a condom and/or a spermicide) every time you have sex during the next 48 hours.
  • If you have had a miscarriage or an abortion, you can start POPs the next day.

IF YOU ARE LATE OR MISS TAKING YOUR POPs

  • If you are more than 3 hours late or you miss one or more POPs:
    1)
    TAKE a missed pill as soon as you remember that you missed it,
    2)
    THEN go back to taking POPs at your regular time,
    3)
    BUT be sure to use a backup method (such as a condom and/or a spermicide) every time you have sex for the next 48 hours.
  • If you are not sure what to do about the pills you have missed, keep taking POPs and use a backup method until you can talk to your healthcare professional.

IF YOU ARE BREASTFEEDING

  • If you are fully breastfeeding (not giving your baby any food or formula), you may start your pills 6 weeks after delivery.
  • If you are partially breastfeeding (giving your baby some food or formula), you should start taking pills by 3 weeks after delivery.

IF YOU ARE SWITCHING PILLS

  • If you are switching from the combined pills to POPs, take the first POP the day after you finish the last active combined pill. Do not take any of the 7 inactive pills from the combined pill pack. You should know that many women have irregular periods after switching to POPs, but this is normal and to be expected.
  • If you are switching from POPs to the combined pills, take the first active combined pill on the first day of your period, even if your POPs pack is not finished.
  • If you switch to another brand of POPs, start the new brand anytime.
  • If you are breastfeeding, you can switch to another method of birth control at any time, except do not switch to the combined pills until you stop breastfeeding or at least until 6 months after delivery.

PREGNANCY WHILE ON THE PILL

If you think you are pregnant, contact your healthcare professional. Even though research has shown that POPs do not cause harm to the unborn baby, it is always best not to take any drugs or medicines that you don't need when you are pregnant.

You should get a pregnancy test:

  • If your period is late and you took one or more pills late or missed taking them and had sex without a backup method.
  • Anytime it has been more than 45 days since the beginning of your last period.

WILL POPs AFFECT YOUR ABILITY TO GET PREGNANT LATER?

If you want to become pregnant, simply stop taking POPs. POPs will not delay your ability to get pregnant.

BREASTFEEDING

If you are breastfeeding, POPs will not affect the quality or amount of your breast milk or the health of your nursing baby. However, isolated cases of decreased milk production have been reported.

OVERDOSE

No serious problems have been reported when many pills were taken by accident, even by a small child, so there is usually no reason to treat an overdose.

OTHER QUESTIONS OR CONCERNS

If you have any questions or concerns, check with your healthcare professional. You can also ask for the more detailed "Professional Labeling" written for doctors and other healthcare professionals.

HOW TO STORE YOUR POPs

Store at 20° to 25°C (68° to 77°F).

KEEP THIS AND ALL MEDICATIONS OUT OF THE REACH OF CHILDREN.

INSTRUCTIONS TO PATIENTS

How to Use the Errin® Tablets Blister Card

  1. The first time you use these pills, take your first pill on the first day of your menstrual period. Pick the Days of the Week Sticker that starts the first day of your period. When you have picked the right sticker, throw away the others and place the sticker on the blister card over the pre-printed days of the week and make sure it lines up with the pills.
  2. Your blister package consists of three parts, the foil pouch, wallet, and a blister card containing 28 individually sealed pills. Note that the pills are arranged in four numbered rows of 7 pills, with the preprinted days of the week printed above them. All 28 pills are "active" birth control pills. Refer to the sample of the blister card below:

    Figure

  3. To remove a pill, push down on the pill with your thumb and forefinger so that the pill releases through the back of the blister card. Each day, take one pill. Always go from left to right along the row. Each new row will begin on the same day of the week.
  4. Take one pill every day for 28 days, whether bleeding or not, until you have taken all the pills. It is important that you take your pill at the same time every day.
  5. After you have taken all 28 pills, begin taking your pills again the next day. Be sure that the calendar day on your new package corresponds with the actual day.

All brand names listed are the registered trademarks of their respective owners and are not trademarks of Mayne Pharma.

Distributed by:
Mayne Pharma
Greenville, NC 27834

Rev. 11/2021

ERRIN
norethindrone tablet
Product Information
Product TypeHUMAN PRESCRIPTION DRUGItem Code (Source)NDC:51862-886
Route of AdministrationORAL
Active Ingredient/Active Moiety
Ingredient NameBasis of StrengthStrength
NORETHINDRONE (UNII: T18F433X4S) (NORETHINDRONE - UNII:T18F433X4S) NORETHINDRONE0.35 mg
Inactive Ingredients
Ingredient NameStrength
ANHYDROUS LACTOSE (UNII: 3SY5LH9PMK)
ETHYLCELLULOSE, UNSPECIFIED (UNII: 7Z8S9VYZ4B)
STARCH, CORN (UNII: O8232NY3SJ)
D&C YELLOW NO. 10 (UNII: 35SW5USQ3G)
LACTOSE MONOHYDRATE (UNII: EWQ57Q8I5X)
MAGNESIUM STEARATE (UNII: 70097M6I30)
MICROCRYSTALLINE CELLULOSE (UNII: OP1R32D61U)
POVIDONE K30 (UNII: U725QWY32X)
Product Characteristics
ColorYELLOWScoreno score
ShapeROUNDSize6mm
FlavorImprint Codem;886
Contains
Packaging
#Item CodePackage DescriptionMarketing Start DateMarketing End Date
1NDC:51862-886-033 in 1 CARTON04/18/2018
1NDC:51862-886-0128 in 1 BLISTER PACK; Type 0: Not a Combination Product
Marketing Information
Marketing CategoryApplication Number or Monograph CitationMarketing Start DateMarketing End Date
ANDAANDA07622504/18/2018
Labeler - Mayne Pharma Inc. (867220261)
Establishment
NameAddressID/FEIBusiness Operations
Piramal Healthcare UK Ltd.345609965MANUFACTURE(51862-886) , ANALYSIS(51862-886) , PACK(51862-886) , LABEL(51862-886)

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