Hyophen Side Effects
Generic Name: benzoic acid / hyoscyamine / methenamine / methylene blue / phenyl salicylate
Note: This page contains information about the side effects of benzoic acid / hyoscyamine / methenamine / methylene blue / phenyl salicylate. Some of the dosage forms included on this document may not apply to the brand name Hyophen.
Applies to benzoic acid / hyoscyamine / methenamine / methylene blue / phenyl salicylate: oral tablet
Frequency not reported: Blue to blue-green discoloration of the urine, difficult micturition, acute urinary retention[Ref]
Frequency not reported: Tachycardia, flushing[Ref]
Rare (less than 0.1%): Itching, rash, swelling[Ref]
Frequency not reported: Blue to blue-green discoloration of stools, dry mouth, nausea, vomiting[Ref]
Frequency not reported: Dizziness, drowsiness[Ref]
Rare (less than 0.1%): Allergic reaction (i.e., itching, rash, severe dizziness, swelling, trouble breathing)[Ref]
Rare (less than 0.1%): Dyspnea[Ref]
Frequency not reported: Blurred vision[Ref]
1. "Product Information. Hyophen (benzoic acid/hyoscy/methen/mblue/phenylsal)." BioComp Pharma, San Antonio, TX.
Not all side effects for Hyophen may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
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