This medicine may interact with the following medications:

-amphotericin B
-certain medicines for cancer like adriamycin, doxorubicin, vinblastine, vincristine
-certain medicines for HIV like didanosine, zidovudine
-cyclosporine
-dapsone
-flucytosine
-hydroxyurea
-imipenem; cilastatin
-mycophenolate mofetil
-pentamidine
-probenecid
-sulfamethoxazole; trimethoprim
-tacrolimus

They need to know if you have any of these conditions:
-kidney disease
-low blood counts, like low white cell, platelet, or red cell counts
-an unusual or allergic reaction to ganciclovir, valganciclovir, other medicines, foods, dyes, or preservatives
-pregnant or trying to get pregnant
-breast-feeding

Visit your doctor or health care professional for regular check ups. Discuss any new symptoms with your doctor. You will need to have important blood work done while on this medicine. If you have a CMV eye infection have your eyes checked every 4 to 6 weeks.

Drink 6 to 8 glasses of water or fluids daily while taking this medicine to help prevent side effects.

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.

Do not become pregnant while taking this medicine. Women should inform their doctor if they wish to become pregnant or think they might be pregnant. If you are a female who can become pregnant, you should use effective birth control during treatment with and for at least 30 days after treatment. There is a potential for serious side effects to an unborn child. Talk to your health care professional or pharmacist for more information.

Men should not father a child while taking this medicine. Men should use a condom during sexual contact with a female partner who might become pregnant during, and for at least 90 days after, treatment. There is a potential for serious side effects to an unborn child. Talk to your health care professional or pharmacist for more information.

Keep out of the reach of children.

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