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What is the most important information I should know about riboflavin?

Do not take more riboflavin than is prescribed for you or than is directed on the package.

What is riboflavin?

Riboflavin is vitamin B2. Vitamins are naturally occurring substances necessary for many processes in the body. Riboflavin is important in the maintenance of many tissues of the body.

Riboflavin is used to prevent and to treat deficiencies of riboflavin.

Riboflavin may also be used for purposes other than those listed in this medication guide.

Who should not take riboflavin?

Before taking riboflavin, talk to your doctor, pharmacist, or health care professional if you have any other medical conditions, allergies, or if you take other medicines or other herbal/health supplements.

Do not take a riboflavin supplement without first talking to your doctor if you are pregnant. Do not take a riboflavin supplement without first talking to your doctor if you are breast-feeding.

How should I take riboflavin?

Take riboflavin exactly as directed by your doctor. If you do not understand these directions, ask your pharmacist, nurse, or doctor to explain them to you.

Take each dose with a full glass of water. Do not take more riboflavin than is prescribed for you or than is directed on the package. Store riboflavin at room temperature away from moisture and heat.

What happens if I miss a dose?

Take the missed dose as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and take only the next regularly scheduled dose. Do not take a double dose.

What happens if I overdose?

It is not known whether an overdose of riboflavin is dangerous. If you suspect and overdose, call a doctor or a poison control center for advice.

What should I avoid while taking riboflavin?

There are no restrictions on food, beverages, or activities while you are taking riboflavin unless otherwise directed by your doctor.

What are the possible side effects of riboflavin?

Stop taking riboflavin and seek emergency medical attention if you experience an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives).

Riboflavin may cause your urine to become a yellow-orange color. This effect is harmless.

Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.

What other drugs will affect riboflavin?

It is not known whether other drugs will interact with riboflavin. Talk to your doctor and pharmacist before taking any prescription or over-the-counter medicines or herbal/health supplements.

Where can I get more information?

Your doctor, pharmacist, or health care provider may have more information about riboflavin.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.