To buy NyQuil, you generally must be in the United States.

: In some states, clerks must only card you if you appear to be under 25 or 35.

: High doses of DXM can cause hallucinations or euphoria, leading to recreational abuse among minors.

: States like California , Texas , New York , and Florida have strict age-18 requirements.

: Many national chains, such as Walmart and CVS Pharmacy , have internal policies requiring ID for DXM products regardless of specific state laws. State-Specific Rules