Endal HD Side Effects
Generic name: diphenhydramine / hydrocodone / phenylephrine
Note: This document contains side effect information about diphenhydramine / hydrocodone / phenylephrine. Some dosage forms listed on this page may not apply to the brand name Endal HD.
Applies to diphenhydramine / hydrocodone / phenylephrine: oral suspension extended release, oral syrup.
Nervous system side effects have included lightheadedness, nervousness, dizziness, drowsiness, sedation, mental clouding, headache, insomnia, tremors, weakness, lethargy, hallucinations, convulsions, impairment of mental and physical performance, anxiety, fear, dysphoria, psychic dependence, itchy and prickly sensations, and mood changes.[Ref]
Respiratory side effects have included respiratory difficulty and shortness of breath.[Ref]
Ocular side effects have included blurring of vision.[Ref]
More about Endal HD (diphenhydramine / hydrocodone / phenylephrine)
Related treatment guides
1. "Product Information. Tussinate (diphenhydramine / hydrocodone / phenylephrine)." PediaMed Pharmaceuticals Inc (2004):
Some side effects may not be reported. You may report them to the FDA.