PRECAUTIONS: Before using ganciclovir, tell your doctor or pharmacist if you are allergic to it; or to valganciclovir or acyclovir; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.Before using this medication, tell your doctor or pharmacist your medical history, especially of: kidney problems, a low number of blood cells (red or white blood cells, platelets), radiation treatment.This drug may make you dizzy or drowsy. Do not drive, use machinery, or do any activity that requires alertness until you are sure you can perform such activities safely. Limit alcoholic beverages.Wash your hands well to prevent the spread of infection. Avoid contact with people who have infections that may spread to others (such as chickenpox, measles, flu). Consult your doctor if you have been exposed to an infection or for more details.Do not have immunizations/vaccinations without the consent of your doctor. Avoid contact with people who have recently received live vaccines (such as flu vaccine inhaled through the nose).To lower the chance of getting cut, bruised, or injured, use caution with sharp objects like razors and nail cutters, and avoid activities such as contact sports.Kidney function declines as you grow older. This medication is removed by the kidneys. Therefore, older adults may be more sensitive to the side effects of this drug.Based on animal studies, this medication may reduce fertility in men and women.Women who are pregnant or who may become pregnant should not handle this medication.During pregnancy, this medication should be used only when clearly needed. It may harm an unborn baby. Discuss the risks and benefits with your doctor. To prevent pregnancy, men with female partners should always use effective barrier protection (such as latex or polyurethane condoms) during all sexual activity during treatment and for at least 90 days after stopping the medication. Women of child-bearing age who are using ganciclovir should use reliable forms of birth control (such as birth control pills and condoms). Consult your doctor for more details.It is unknown if this medication passes into breast milk. It may have undesirable effects on a nursing infant. Therefore, breast-feeding while using this drug is not recommended. Consult your doctor before breast-feeding. If you have HIV, do not breast-feed because breast milk can transmit HIV.
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