While it is generally available over-the-counter, health organizations have recently proposed moving it "behind the counter" (where you must ask a pharmacist) to curb misuse. Why You Might Be Carded
While standard Benadryl is often accessible to minors, many retailers and regions are tightening restrictions due to safety concerns and drug manufacturing laws. do you have to be 18 to buy benadryl
Cold-Allergy Medication Restrictions - Office of Drug Control Policy While it is generally available over-the-counter
Even if there is no local law, you may still be asked for ID at the register for several reasons: do you have to be 18 to buy benadryl