Uses of Ascorbic Acid Controlled-Release Caps & Controlled-Release Tabs:

• It is used to treat or prevent vitamin C deficiency.
• It is used to treat scurvy.
• It may be given to you for other reasons. Talk with the doctor.

What do I need to tell my doctor BEFORE I take Ascorbic Acid Controlled-Release Caps & Controlled-Release Tabs?

• If you have an allergy to ascorbic acid or any other part of this medicine (ascorbic acid controlled-release caps & controlled-release tabs).
• If you are allergic to this medicine (ascorbic acid controlled-release caps & controlled-release tabs); any part of this medicine (ascorbic acid controlled-release caps & controlled-release tabs); or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had.

This medicine may interact with other drugs or health problems.

Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take this medicine (ascorbic acid controlled-release caps & controlled-release tabs) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take Ascorbic Acid Controlled-Release Caps & Controlled-Release Tabs?

• Tell all of your health care providers that you take this medicine (ascorbic acid controlled-release caps & controlled-release tabs). This includes your doctors, nurses, pharmacists, and dentists.
• This medicine may affect certain lab tests. Tell all of your health care providers and lab workers that you take this medicine (ascorbic acid controlled-release caps & controlled-release tabs).
• If you have high blood sugar (diabetes), talk with your doctor.
• If you are on a low-salt or salt-free diet, talk with your doctor.
• Kidney stones or other very bad kidney problems have rarely happened in people taking high doses of this medicine (ascorbic acid controlled-release caps & controlled-release tabs) for a long time. The risk may be higher in people who have had kidney problems or kidney stones. The risk may also be higher in people 65 or older and children younger than 2 years of age.
• Do not take this medicine (ascorbic acid controlled-release caps & controlled-release tabs) for longer than you were told by your doctor.
• Be careful if you have G6PD deficiency. Anemia may happen.
• Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using this medicine (ascorbic acid controlled-release caps & controlled-release tabs) while you are pregnant.
• Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

How is this medicine (Ascorbic Acid Controlled-Release Caps & Controlled-Release Tabs) best taken?

Use this medicine (ascorbic acid controlled-release caps & controlled-release tabs) as ordered by your doctor. Read all information given to you. Follow all instructions closely.

• Take with or without food.
• Take with a full glass of water.
• Swallow whole. Do not chew, break, or crush.
• Keep taking this medicine (ascorbic acid controlled-release caps & controlled-release tabs) as you have been told by your doctor or other health care provider, even if you feel well.

What do I do if I miss a dose?

• Take a missed dose as soon as you think about it.
• If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
• Do not take 2 doses at the same time or extra doses.

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

• Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
• Signs of kidney problems like unable to pass urine, change in how much urine is passed, blood in the urine, or a big weight gain.
• Feeling very tired or weak.
• Dark urine or yellow skin or eyes.
• Back pain, belly pain, or blood in the urine. May be signs of a kidney stone.

What are some other side effects of Ascorbic Acid Controlled-Release Caps & Controlled-Release Tabs?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:

• Diarrhea.
• Upset stomach or throwing up.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https://www.fda.gov/medwatch.

If OVERDOSE is suspected:

If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

How do I store and/or throw out Ascorbic Acid Controlled-Release Caps & Controlled-Release Tabs?

• Store at room temperature.
• Protect from light.
• Protect from heat.
• Store in a dry place. Do not store in a bathroom.
• Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
• Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.

Consumer Information Use and Disclaimer

• If your symptoms or health problems do not get better or if they become worse, call your doctor.
• Do not share your drugs with others and do not take anyone else's drugs.
• Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about this medicine (ascorbic acid controlled-release caps & controlled-release tabs), please talk with your doctor, nurse, pharmacist, or other health care provider.
• If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.