DRUG INTERACTIONS: The effects of some drugs can change if you take other drugs or herbal products at the same time. This can increase your risk for serious side effects or may cause your medications not to work correctly. These drug interactions are possible, but do not always occur. Your doctor or pharmacist can often prevent or manage interactions by changing how you use your medications or by close monitoring.To help your doctor and pharmacist give you the best care, be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products) before starting treatment with this product. While using this product, do not start, stop, or change the dosage of any other medicines you are using without your doctor's approval.Some products that may interact with this drug include: didanosine, imipenem/cilastatin, mycophenolate, probenecid.You may be taking other drugs that decrease bone marrow function and lower your number of blood cells (such as cancer chemotherapy, trimethoprim/sulfamethoxazole, zidovudine) or other drugs that may cause kidney problems (such as cyclosporine). Your doctor or pharmacist will monitor you closely and adjust your medications to decrease your risk of serious side effects.Valganciclovir is very similar to ganciclovir. Do not use medications containing ganciclovir while using valganciclovir.This document does not contain all possible drug interactions. Keep a list of all the products you use. Share this list with your doctor and pharmacist to lessen your risk for serious medication problems.
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