"The U.S. Food and Drug Administration today notified Ranbaxy Laboratories, Ltd., that it is prohibited from manufacturing and distributing active pharmaceutical ingredients (APIs) from its facility in Toansa, India, for FDA-regulated drug product"...
(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.
VIRA-A (vidarabine) Ophthalmic Ointment, 3%, is contraindicated in patients who develop hypersensitivity reactions to it.This monograph has been modified to include the generic and brand name in many instances.
Last reviewed on RxList: 4/8/2009
Additional Vira-A Information
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