Before using Acyclovir
Some medical conditions may interact with Acyclovir . Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
* if you are pregnant, planning to become pregnant, or are breast-feeding
* if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
* if you have allergies to medicines, foods, or other substances
* if you are dehydrated or have a low blood volume, kidney disease, or liver disease
Some MEDICINES MAY INTERACT with Acyclovir . Tell your health care provider if you are taking any other medicines, especially any of the following:
* Medicines that may harm the kidney (eg, aminoglycoside antibiotics [eg, gentamicin], amphotericin B, cyclosporine, nonsteroidal anti-inflammatory drugs [NSAIDs] [eg, ibuprofen], tacrolimus, vancomycin) because the risk of kidney side effects may be increased. Ask your doctor if you are unsure if any of your medicines might harm the kidney
This may not be a complete list of all interactions that may occur. Ask your health care provider if Acyclovir may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
