Endal CD (old formulation) Side Effects
Generic Name: codeine / diphenhydramine / phenylephrine
Note: This document contains side effect information about codeine / diphenhydramine / phenylephrine. Some of the dosage forms listed on this page may not apply to the brand name Endal CD (old formulation).
Nervous system side effects have included drowsiness, dizziness, headache, nervousness, restlessness, impairment of mental performance, weakness, mental clouding, lethargy, anxiety, convulsions, CNS depression, tremor, and insomnia.[Ref]
Psychiatric side effects have included fear, dysphoria, psychic dependence, feeling of well-being, confusion, and mood changes.[Ref]
Ocular side effects have included blurring of vision and visual disturbances.[Ref]
1. "Product Information. Endal CD (codeine / diphenhydramine / phenylephrine)." Tiber Laboratories, Suwanee, GA.
Some side effects may not be reported. You may report them to the FDA.