Acyclovirdrug info
acyclovir 40 MG/ML Oral Suspension
What it is used for
Herpes Zoster Infections: Acyclovir is indicated for the acute treatment of herpes zoster (shingles).
Genital Herpes: Acyclovir is indicated for the treatment of initial episodes and the management of recurrent episodes of genital herpes.
Chickenpox: Acyclovir is indicated for the treatment of chickenpox (varicella).
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective December 23, 2025. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
Description
Acyclovir, USP is a synthetic nucleoside analogue active against herpesviruses. Acyclovir Suspension, USP is formulated for oral administration. Each teaspoonful (5 mL) of Acyclovir Oral Suspension, USP contains 200 mg of acyclovir and the following inactive ingredients: banana flavor, carboxymethylcellulose sodium, glycerin, methylparaben, microcrystalline cellulose, propylparaben, purified water and sorbitol. Acyclovir is a white, crystalline powder with the molecular formula C 8 H 11 N 5 O 3 and a molecular weight of 225.20. The maximum solubility in water at 37°C is 2.5 mg/mL. The pka's of acyclovir are 2.27 and 9.25. The chemical name of Acyclovir is 2-amino-1,9-dihydro-9-[(2-hydroxyethoxy)methyl]-6H-purin-6-one; it has the following structural formula: "Image Description"
Text above is quoted in full from the FDA-approved drug label published by openFDA, effective December 23, 2025. Matched to this product by RxNorm code. Cross-references to other sections of the full prescribing information have been removed, since they point to a document not shown here. Nothing else is changed: no sentence is shortened, reworded or summarised.
This page reproduces regulatory text for reference. It is not medical advice, and KenyRx is not a pharmacy or a prescriber. Talk to a doctor or pharmacist about whether a medicine is right for you.
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