This information is for educational purposes only. It is not intended as medical advice. Always consult a qualified healthcare professional.
OTC
ACYCLOVIR
800 mg/1, Tablet
INN: ACYCLOVIR
Data updated: 2026-05-02
Available in:
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Form
TABLET
Dosage
800 mg/1
Route
ORAL
Storage
—
About This Product
Manufacturer
SQUARE PHARMACEUTICALS LIMITED
User Reviews
Reviews reflect personal experiences and are not medical advice. Always consult your doctor.
Source
OPENFDA_NDC
AcyclovirMonographAcyclovir topicalMonograph
USDailyMed:Acyclovir
AU:B3
J05AB01(WHO)D06BB03(WHO),S01AD03(WHO),D06BB53(WHO)
AU:S4(Prescription only)CA:℞-onlyUK:POM(Prescription only)US:℞-only
2-amino-1,9-dihydro-9-((2-hydroxyethoxy)methyl)-3H-purin-6-one
59277-89-3Y
2022
46506002
4829
DB00787Y
1945Y
X4HES1O11F
D00222YC06810N
CHEBI:2453Y
ChEMBL184Y
AC2 (PDBe,RCSB PDB)
DTXSID1022556
Interactive image
O=C2/N=C(\Nc1n(cnc12)COCCO)N
InChI=1S/C8H11N5O3/c9-8-11-6-5(7(15)12-8)10-3-13(6)4-16-2-1-14/h3,14H,1-2,4H2,(H3,9,11,12,15)YKey:MKUXAQIIEYXACX-UHFFFAOYSA-NY
Aciclovir, also known asacyclovir,is anantiviral medication.It is primarily used for the treatment ofherpes simplex virusinfections,chickenpox, andshingles.Other uses include the prevention ofcytomegalovirusinfections following transplant, and severe complications ofEpstein–Barr virusinfection.It can be taken by mouth, applied as a cream, orinjected.
Common side effects include nausea and diarrhea.Potentially serious side effects include kidney problems andlow platelets.Greater care is recommended in those with poor liver or kidney function.It is generally considered safe for use inpregnancywith no harm having been observed.It appears to be safe duringbreastfeeding.Aciclovir is anucleoside analoguethat mimicsguanosine.It works by decreasing the production of the virus'sDNA.
Aciclovir was patented in 1974, byBurroughs Wellcome, and approved for medical use in 1981.It is on theWorld Health Organization's List of Essential Medicines.It is available as ageneric medicationand is marketed under many brand names worldwide.In 2023, it was the 150th most commonly prescribed medication in the United States, with more than 3million prescriptions.