Read this Medication Guide before you start taking ribavirin capsules, and each time you get a refill. There may be new information.
This information does not take the place of talking to your health care provider about your medical condition or your treatment.
What is the most important information I should know about ribavirin capsules?
- Do Not take ribavirin capsules alone to treat chronic hepatitis C infection. Ribavirin capsules should be used in combination with interferon alfa-2b (Intron® A) to treat chronic hepatitis C infection.
- Ribavirin capsules may cause a significant drop in your red blood cell count and cause anemia in some cases. Anemia has been
associated with worsening of Heart Problems, and in rare cases can cause a Heart Attack and Death. Tell your health care provider if you have ever had any heart problems. Ribavirin capsules may not be right for you. Seek medical attention right away if you experience chest pain.
- Ribavirin capsules may cause Birth Defects or the Death of your unborn baby. Do Not Take ribavirin capsules if you or your
sexual partner is pregnant or plan to become pregnant. Do Not become Pregnant within 6 months after discontinuing ribavirin
capsule therapy. You must use 2 forms of birth control when you take ribavirin capsules and for the 6 months after treatment.
- Females must have a pregnancy test before starting ribavirin capsules, every month while taking ribavirin capsules, and every
month for the 6 months after the last dose of ribavirin capsules.
- If you or your female sexual partner becomes pregnant while taking ribavirin capsules, or within 6 months after you stop taking
ribavirin capsules, tell your health care provider right away. You or your health care provider should contact the ribavirin
pregnancy registry by calling 1-800-593-2214. The ribavirin pregnancy registry collects information about what happens to
mothers and their babies if the mother takes ribavirin while she is pregnant.
What are ribavirin capsules?
Ribavirin capsules are a medicine used with interferon alfa-2b (Intron A) to treat chronic (lasting a long time) hepatitis
C infection in people 3 years and older with liver disease.
It is not known if ribavirin capsule use for longer than 1 year is safe and will work.
It is not known if ribavirin capsule use in children younger than 3 years old is safe and will work.
Who should not take ribavirin capsules?
See “What is the most important information I should know about ribavirin capsules?”
Do not take ribavirin capsules if you have:
- or ever had serious allergic reactions to the ingredients in ribavirin capsules. See the end of this Medication Guide for
a complete list of ingredients.
- certain types of hepatitis (autoimmune hepatitis).
- certain blood disorders (hemoglobinopathies).
- severe kidney disease.
- taken or currently take didanosine (VIDEX®).
Talk to your health care provider before taking ribavirin capsules if you have any of these conditions.
What should I tell my health care provider before taking ribavirin capsules?
Before you take ribavirin capsules, tell your health care provider if you have or ever had:
- treatment for hepatitis C that did not work for you.
- breathing problems. Ribavirin capsules may cause or worsen breathing problems you already have.
- vision problems. Ribavirin capsules may cause eye problems or worsen eye problems you already have. You should have an eye
exam before you start treatment with ribavirin capsules.
- certain blood disorders such as anemia (low red blood cell count).
- high blood pressure, heart problems, or have had a heart attack. Your health care provider should check your blood and heart
before you start treatment with ribavirin capsules.
- thyroid problems.
- liver problems other than hepatitis C infection.
- human immunodeficiency virus (HIV) or any immunity problems.
- mental health problems, including depression or thoughts of suicide.
- kidney problems.
- an organ transplant.
- diabetes. Ribavirin capsules may make your diabetes worse or harder to treat.
- any other medical condition.
- are breastfeeding. It is not known if ribavirin passes into your breast milk. You and your health care provider should decide
if you will take ribavirin capsules or breastfeed.
Tell your health care provider about all the medicines you take, including prescription medicines, vitamins, and herbal supplements. Ribavirin capsules may affect the way other medicines
Especially tell your health care provider if you take didanosine (VIDEX®) or azathioprine (Imuran® and Azasan®).
Know the medicines you take. Keep a list of them to show your health care provider or pharmacist when you get a new medicine.
How should I take ribavirin capsules?
- Take ribavirin capsules exactly as your health care provider tells you. Your health care provider will tell you how many ribavirin
capsules to take and when to take them.
- Take ribavirin capsules with food.
- Take ribavirin capsules whole. Do not open, break, or crush ribavirin capsules before swallowing. If you cannot swallow ribavirin capsules whole, tell your health care provider.
- If you miss a dose of ribavirin capsules, take the missed dose as soon as possible during the same day. Do not double the
next dose. If you have questions about what to do, call your health care provider.
- If you take too many ribavirin capsules, call your health care provider or Poison Control Center at 1-800-222-1222, or go
to the nearest hospital emergency room right away.
What are the possible side effects of ribavirin capsules?
Ribavirin capsules may cause serious side effects, including:
See “What is the most important information I should know about ribavirin capsules?”
- Swelling and irritation of your pancreas (pancreatitis). You may have stomach pain, nausea, vomiting, or diarrhea.
- Serious breathing problems. Difficulty breathing may be a sign of a serious lung infection (pneumonia) that can lead to death.
- Serious eye problems that may lead to vision loss or blindness.
- Dental problems. Your mouth may be very dry, which can lead to problems with your teeth and gums.
- Severe depression.
- Suicidal thoughts and attempts. Adults and children who take ribavirin capsules, especially teenagers, are more likely to have suicidal thoughts or attempt
to hurt themselves while taking ribavirin capsules. Call your health care provider right away or go to the nearest hospital
emergency room if you have new or worse depression or thoughts about suicide or dying.
- Severe blood disorders. An increased risk when used in combination with pegylated alpha interferons and azathioprine.
- Growth problems in children. Weight loss and slowed growth are common in children during combination treatment with INTRON A. Most children will go through
a growth spurt and gain weight after treatment stops. Some children may not reach the height that they were expected to have
before treatment. Talk to your healthcare provider if you are concerned about your child's growth during treatment with ribavirin
capsules and INTRON A.
Tell your health care provider right away if you have any side effect that bothers you or that does not go away.
The most common side effects of ribavirin capsules include:
- flu-like symptoms - feeling tired, headache, shaking along with high temperature (fever), nausea, and muscle aches.
- mood changes, feeling irritable.
The most common side effects of ribavirin capsules in children include:
- a decrease in the blood cells that fight infection (neutropenia).
- a decrease in appetite.
- stomach pain and vomiting.
Tell your health care provider if you have any side effect that bothers you or that does not go away.
These are not all the possible side effects of ribavirin capsules. For more information ask your health care provider or pharmacist.
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
How should I store ribavirin capsules?
- Store ribavirin capsules at 25°C (77°F); excursions permitted to 15° to 30°C (59° to 86°F).
- Keep ribavirin capsules and all medicines out of the reach of children.
GENERAL INFORMATION ABOUT THE SAFE AND EFFECTIVE USE OF RIBAVIRIN CAPSULES.
It is not known if treatment with ribavirin capsules will cure hepatitis C virus infections or prevent cirrhosis, liver failure,
or liver cancer that can be caused by hepatitis C virus infections. It is not known if taking ribavirin capsules will prevent
you from infecting another person with the hepatitis C virus.
Medicines are sometimes prescribed for purposes other than those listed in a Medication Guide. Do not use ribavirin capsules
for a condition for which they were not prescribed. Do not give ribavirin capsules to other people, even if they have the
same symptoms that you have. They may harm them.
This Medication Guide summarizes the most important information about ribavirin capsules. If you would like more information,
talk with your health care provider. You can ask your pharmacist or health care provider for information about ribavirin capsules
that is written for health professionals.
What are the ingredients in ribavirin capsules?
Active ingredients: ribavirin, USP
Inactive ingredients: calcium phosphate dibasic, croscarmellose sodium, FD&C blue #2 aluminum lake, magnesium stearate, povidone,
shellac and titanium dioxide. The gelatin capsule contains gelatin and titanium dioxide.
This Medication Guide has been approved by the U.S. Food and Drug Administration.
All brand names listed are the registered trademarks of their respective owners and are not trademarks of Teva Pharmaceuticals
Manufactured In Israel By:
TEVA PHARMACEUTICAL IND. LTD.
Jerusalem, 91010, Israel
TEVA PHARMACEUTICALS USA
Sellersville, PA 18960
Rev. L 12/2013