October 7, 2015
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"Below is a list of the most popular prescription drugs dispensed in 2011 with links to drug monographs. The list may include the medication brand name and generic name.

Note: This information pertains to U.S. prescriptions only./"...


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



Acute massive overdosage by oral ingestion of the ophthalmic ointment has not occurred. However, the rapid deamination to arabinosylhypoxanthine should preclude any difficulty. The oral LD50 for vidarabine is greater than 5020 mg/kg in mice and rats. No untoward effects should result from ingestion of the entire contents of the tube.

Overdosage by ocular instillation is unlikely because any excess should be quickly expelled from the conjunctival sac.


VIRA-A (vidarabine) Ophthalmic Ointment, 3%, is contraindicated in patients who develop hypersensitivity reactions to it.

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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