What it's used for
Acyclovir is used for the acute treatment of shingles and chickenpox. Additionally, it is prescribed for treating initial episodes and managing recurring episodes of genital herpes.
Source: U.S. FDA-approved prescribing information (openFDA).
Typical dosing
For acute shingles, the usual dose is 800 mg every 4 hours five times daily for 7 to 10 days. For initial genital herpes, the dose is 200 mg every 4 hours five times daily for 10 days.
Dosing shown here is the general FDA-labeled range. Your prescribing clinician determines the exact dose, form, and schedule for you — this is not a substitute for medical advice.
Boxed warning / key safety info
Renal failure, in some cases resulting in death, has been observed with acyclovir therapy.
Common side effects
The most frequent adverse event reported during short-term treatment of genital herpes is nausea and/or vomiting.
Covered strengths on the Tab $0 list
Covered at $0 with an active Tab membership when filled at a participating pharmacy nationwide or through mail order. A licensed clinician must prescribe the medication.
Related medications
Other antibiotics & antivirals medications covered at $0 with an active Tab membership.