What may interact with this medicine?

• cidofovir

This medicine may also interact with the following medications:

• certain antibiotics given by injection
• corticotropin
• cyclosporine
• digoxin
• entecavir
• flucytosine
• medicines for fungal infections
• medicines to treat cancer
• muscle relaxers
• pentamidine
• steroid medicines like prednisone or cortisone
• zidovudine

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non- prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medicine?

What side effects may I notice from receiving this medicine?

• allergic reactions like skin rash or itching, hives, swelling of the lips, mouth, tongue, or throat
• anxiety, confusion
• breathing trouble
• burning, numbness, tingling
• change in amount or color of urine
• change in hearing, vision
• chest tightness
• fever, chills, infection
• irregular heart beat, blood pressure
• seizure
• unusual bleeding, bruising
• unusually weak or tired

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

• body aches, pain
• cough
• diarrhea
• headache
• flushing, redness of skin
• nausea, vomiting
• pain where injected
• stomach pain
• trouble sleeping

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1- 800- FDA- 1088.