Do not take this medicine with the following medication:

-didanosine

This medicine may also interact with the following medications:

-abacavir
-azathioprine
-emtricitabine
-lamivudine
-stavudine
-zidovudine

They need to know if you have any of these conditions:

-cancer
-blood disease like sickle-cell or thalassemia
-diabetes
-drug abuse or addiction
-heart disease
-history of depression, anxiety
-immune system problems
-kidney disease
-low blood counts, like low white cell, platelet, or red cell counts
-lung or breathing disease, like asthma
-man with a partner who is pregnant or trying to get pregnant
-other liver disease
-thyroid disease
-an unusual or allergic reaction to ribavirin, other medicines, foods, dyes, or preservatives
-pregnant or trying to get pregnant
-breast-feeding

See your doctor or health care professional for a follow-up visit as directed. You may need to have tests done to check your progress. Tell your doctor if your symptoms do not improve or if they get worse.

This medicine may cause birth defects or death to an unborn child. Women taking this medicine must avoid pregnancy while taking this medicine and for 6 months after stopping this medicine. Men who are taking this medicine must avoid getting a woman pregnant while taking this medicine and for 6 months after stopping this medicine. Use 2 forms of birth control. Women who can still have children must have a negative pregnancy test before starting treatment. Take monthly pregnancy tests while you are taking this medicine and for 6 months after this medicine is stopped. Talk to your doctor if you think that you or your partner are pregnant or are trying to become pregnant.

Do not drink alcohol, including beer, wine, and liquor. This may make your liver disease worse.

You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells.

Your mouth may get dry. Chewing sugarless gum or sucking hard candy, and drinking plenty of water may help. Contact your doctor if the problem does not go away or is severe. Brush your teeth thoroughly twice daily and have regular dental examinations. Also, if you vomit, rinse out your mouth.

Keep out of the reach of children.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medicine after the expiration date.