Idoxuridine is a medicine sold in the U.S. under 3 brand and generic names, for dendritic keratitis. Below: what the FDA label says, every product that contains it, what the pills look like, and its recall record.
From the FDA label for Herplex (application NDA013935). Other idoxuridine products — different forms, different strengths — are dosed differently. Follow the label for the one you were prescribed.
DIRECTIONS: For use only after diagnoses by a physician, as follows: Cold Sores/Fever Blisters: For mild to moderate symptoms, take 3 tablets immediately at first sign of burning or itching, and then 3 tablets three times daily until symptoms subside. For sufferers of severe outbreaks, take 3 to 5 tablets three times daily to help prevent or reduce outbreaks. If you have an outbreak that does not subside within 10 days, consult your doctor.
Same active ingredient — different manufacturer, form, price and FDA recall record. That last one is what our independent score measures.
| # | Drug | Rating | Type | Form | Generic? | Typical price | |
|---|---|---|---|---|---|---|---|
| 1 | 70/100 | Prescription | Tablet | — | — | View → | |
| 2 | 70/100 | Prescription | Topical | — | — | View → |
Sources: FDA openFDA drug label, National Drug Code Directory, and Enforcement (recall) database. This page reproduces public FDA data and is not medical advice. Dosing is set by your prescriber.
| 3 | Not yet rated | Prescription | Drops | — | — | View → |