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Home > Drugs > Antihistamines > Promethegan (rectal)
Antihistamines

Promethegan (rectal)

https://themeditary.com/drug/promethegan-rectal-4386.html
Medically Reviewed by Oluni Odunlami, MD TheMediTary.Com | Reviewed: Aug 05, 2023  Additional Content by TheMediTary.Com

Generic name: promethazine (rectal) [ pro-meth-a-zeen ]

Drug class: Antihistamines, Phenothiazine antiemetics

Dosage form: rectal suppository

Availability: Prescription only

Pregnancy & Lactation: Risk data available

Brand names: Phenergan, Phenadoz (rectal), Phenergan (injection), Promethazine, Promethazine (injection)

Contents
Uses Warnings Before Taking Dosage Side effects Interactions

What is Promethegan (rectal)?

Promethegan is used to treat allergy symptoms such as itching, runny nose, sneezing, itchy or watery eyes, hives, and itchy skin rashes.

Promethegan also prevents motion sickness, and treats nausea and vomiting or pain after surgery. It is also used as a sedative or sleep aid.

Promethegan is not for use in treating symptoms of asthma, pneumonia, or other lower respiratory tract infections.

Promethegan may also be used for other purposes not listed in this medication guide.

Warnings

Promethegan should not be given to a child younger than 2 years old. This medicine can cause severe breathing problems or death in very young children.

How should I use Promethegan (rectal)

Follow all directions on your prescription label and read all medication guides or instruction sheets. Use the medicine exactly as directed.

Do not take Promethegan by mouth. It is for use only in your rectum.

Try to empty your bowel and bladder just before using the Promethegan suppository.

Remove the outer wrapper from the suppository before inserting it. Avoid handling the suppository too long or it will melt in your hands.

For best results from the suppository, lie down after inserting it and hold in the suppository for a few minutes. The suppository will melt quickly once inserted and you should feel little or no discomfort while holding it in. Avoid using the bathroom just after you have inserted the suppository.

Call your doctor if your symptoms do not improve, or if they get worse while using Promethegan.

This medicine can cause unusual results with certain medical tests. Tell any doctor who treats you that you are using Promethegan.

Store the rectal suppositories in the refrigerator but do not allow them to freeze.

Detailed Promethegan dosage information
Promethegan (rectal) Dosage information (more detail)

Before Taking

Promethegan should not be used in a child younger than 2 years old. This medicine can cause severe breathing problems or death in a child younger than 2. Carefully follow your doctor's instructions when giving Promethegan to a child of any age.

You should not use this medicine if you are allergic to Promethegan or to similar medicines such as chlorpromazine, fluphenazine, mesoridazine, perphenazine, prochlorperazine, thioridazine, or trifluoperazine.

Tell your doctor if you have ever had:

  • asthma, chronic obstructive pulmonary disease (COPD), sleep apnea, or other breathing disorder;

  • a history of seizures;

  • a weak immune system (bone marrow depression);

  • glaucoma;

  • enlarged prostate or problems with urination;

  • stomach ulcer or obstruction;

  • heart disease or high blood pressure;

  • liver disease; or

  • if you have ever had a serious side effect while using Promethegan or any other phenothiazine.

Tell your doctor if you are pregnant or breastfeeding.

What happens if I miss a dose?

Use the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not use two doses at one time.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

Overdose symptoms may include overactive reflexes, loss of coordination, severe drowsiness or weakness, fainting, dilated pupils, weak or shallow breathing, or seizure (convulsions).

What should I avoid while using Promethegan (rectal)?

Promethegan may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert. Avoid getting up too fast from a sitting or lying position, or you may feel dizzy. Get up slowly and steady yourself to prevent a fall.

Drinking alcohol can increase certain side effects of promethazine.

Avoid exposure to sunlight or tanning beds. Promethegan can make you sunburn more easily. Wear protective clothing and use sunscreen (SPF 30 or higher) when you are outdoors.

Promethegan (rectal) side effects

Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.

Promethegan may cause serious side effects. Call your doctor at once if you have:

  • severe drowsiness, weak or shallow breathing;

  • a light-headed feeling, like you might pass out;

  • confusion, agitation, hallucinations, nightmares;

  • seizure (convulsions);

  • fast or slow heartbeats;

  • jaundice (yellowing of the skin or eyes);

  • uncontrolled muscle movements in your face (chewing, lip smacking, frowning, tongue movement, blinking or eye movement);

  • easy bruising or bleeding (nosebleeds, bleeding gums);

  • sudden weakness or ill feeling, fever, chills, sore throat, mouth sores, red or swollen gums, trouble swallowing; or

  • severe nervous system reaction--very stiff (rigid) muscles, high fever, sweating, confusion, fast or uneven heartbeats, tremors, feeling like you might pass out.

Common side effects of Promethegan may include:

  • drowsiness, dizziness;

  • ringing in your ears;

  • double vision;

  • feeling nervous;

  • dry mouth; or

  • tiredness, sleep problems (insomnia).

This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.

See more: Promethegan (rectal) Side Effects

What other drugs will affect Promethegan (rectal)?

Using Promethegan with other drugs that make you drowsy can worsen this effect. Ask your doctor before using opioid medication, a sleeping pill, a muscle relaxer, or medicine for anxiety or seizures.

Other drugs may affect Promethegan, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all other medicines you use.

More about Promethegan (rectal) (Promethazine (rectal) [ pro-meth-a-zeen ])

Dosage information
Promethegan (rectal) Side Effects
During pregnancy
Promethegan Prescribing Information
Drug images
Side effects
Drug class: Antihistamines

Related treatment guides

Allergic Reactions
Light Sedation
Allergic Rhinitis
Anaphylaxis
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