November 25, 2015
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Discontinued Warning IconPlease Note: This Brand Name drug is no longer available in the US.
(Generic versions may still be available.)

(vidarabine monohydrate) Ointment


VIRA-A is the trade name for vidarabine (also known as adenine arabinoside and Ara-A), an antiviral drug for the topical treatment of epithelial keratitis caused by Herpes simplex virus. The chemical name is 9H-Purin-6-amine, 9-β-D-arabinofuranosyl-, monohydrate.

Each gram of the ophthalmic ointment contains 30 mg of vidarabine monohydrate equivalent to 28.11 mg of vidarabine in a sterile, inert, petrolatum base.

Last reviewed on RxList: 4/8/2009
This monograph has been modified to include the generic and brand name in many instances.

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