Acyclovir is an antiviral drug. It slows the growth and spread of the herpes virus in the body. It will not cure herpes, but it can lessen the symptoms of the infection.
Acyclovir may also be used for purposes not listed in this medication guide.
Nausea, diarrhea, headache, or vomiting may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell your doctor right away if any of these unlikely but serious side effects occur: dizziness, drowsiness, signs of kidney problems (such as a change in the amount of urine, unusual back/side pain), mental/mood changes (such as agitation, confusion, hallucinations), shaky/unsteady movement, trouble speaking.
Applies to the following strength(s): 200 mg ; 500 mg ; 1000 mg ; 800 mg ; 400 mg ; 200 mg/5 mL ; 50 mg/mL ; 25 mg/mL ; 50 mg The information at Drugs.com is not a substitute for medical advice. ALWAYS consult your doctor or pharmacist.