4971 V (Phenazopyridine 100 mg)
Pill imprint 4971 V has been identified as Phenazopyridine hydrochloride 100 mg.
Phenazopyridine is used in the treatment of interstitial cystitis; dysuria and belongs to the drug class miscellaneous genitourinary tract agents. There is no proven risk in humans during pregnancy. Phenazopyridine 100 mg is not subject to the Controlled Substances Act.
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