Drug information provided by: Micromedex

It is very important that your doctor check your progress at regular visits. This will allow your doctor to see if the medicine is working properly. Blood and urine tests may be needed to check for unwanted effects.

Do not breastfeed if you have HIV or AIDS, because you may give the infection to your baby through your breast milk.

This medicine may cause sores on the genitals (sex organs). Washing your genitals after urination may decrease the chance of your developing this problem.

It is also very important that your ophthalmologist (eye doctor) check your eyes at regular visits since you may have some loss of eyesight due to retinitis even while you are receiving foscarnet injection.

This medicine may make you dizzy. Do not drive or do anything else that could be dangerous until you know how this medicine affects you.

Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.