6yrs: not recommended. 6–11yrs: 15mL. ≥12yrs: 30mL. All: repeat every 4 hours; max 5 doses/24 hours (children) or 6 doses/24 hours (adults). Hepatic dysfunction. Cardiovascular disease.
Phenylephrine is used in popular versions of Sudafed, Dayquil and other medications, but experts have long questioned its effectiveness. The Food and Drug Administration formally proposed revoking ...
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