A teenager standing at a pharmacy counter with a bottle of cough syrup can be asked for photo ID in Ohio, even though the product sits on an open shelf and needs no prescription. Since September 30, 2021, Ohio retailers may not sell products containing dextromethorphan, a common cough suppressant, to anyone under 18 unless the buyer has a prescription. The same medicine is sold openly to adults, and it is only one of several items where age matters at the register.
Over-the-counter medicines with a legal age in Ohio
The Ohio Board of Pharmacy summarizes the dextromethorphan law as a ban on sales to buyers under 18 without a prescription. The same summary says retailers must ask for proof of age and identity from anyone who appears to be under 25. A minor misdemeanor charge applies to a violation, and the law is written for the seller, not the teenager or the parent.
A second group of medicines is covered by a different section of the Ohio Revised Code. Cold and allergy products containing pseudoephedrine or ephedrine may not be sold to buyers under 18, according to the state statute on these products, with an exception for a pharmacist or another licensed health professional authorized to prescribe drugs who acts within the applicable requirements. A separate exception covers a parent or guardian providing the product to their own minor child, so a family can still keep these medicines at home.
Energy drinks, supplements and store policies
The two medicine laws above come from the Ohio legislature, and neither covers energy drinks, protein powders or general supplements. Stores can add their own rules for those products, such as declining to sell them to younger customers, while any legal requirement for a specific product has to be checked separately.
When a limit comes from the store, its written policy explains how the limit is applied. An age statement printed on a label, such as a note that a product is not recommended for children, is a manufacturer’s recommendation and not a legal ban on selling it to a minor.
How a store checks age at the counter
Under the Ohio dextromethorphan law, the seller has to ask for proof of age and identity from a buyer who could look younger than 25. The statute defines acceptable proof as a government-issued identification that shows a name, date of birth, a description and a photograph. A seller who asked for valid proof and reasonably relied on it has a defense if charged with a violation.
That design explains why a clerk may ask an adult in their thirties for ID: the question is whether the buyer could appear younger than 25, not whether the person looks like a teenager. Some stores also use a register prompt that stops the sale until an employee confirms a birth date.
Rules that change at the state line
Some herbal products sold in convenience stores raise two separate questions that are easy to mix up: whether the product may be sold in a state at all, and, where it may be sold, who is allowed to buy it. A ban answers the first question for everyone, while an age limit only restricts the second.
Kratom shows how far apart those answers can be. A state-by-state overview of kratom’s legal status by state lists states that ban it outright and states that allow it under consumer protection laws with age restrictions and labeling rules. The same overview notes that some cities and counties ban it locally.
Ohio draws its own line. A State of Ohio Board of Pharmacy notice says natural kratom leaf is not a Schedule I controlled substance, while blended products, extracts and synthetic products such as 7-OH may not be sold, and every seller must still follow the state’s Pure Food and Drug Act. A family that travels or orders online may face different rules elsewhere.
What parents can do
Start with a calm conversation about why the rules exist and what a clerk is required to do. When a pharmacy refuses to sell cough medicine with dextromethorphan to a buyer under 18 who has no prescription for that product, the clerk is following the Ohio law described above, not passing judgment on the teen. One article on talking with teens about changing habits recommends open conversations, clear boundaries and support that does not leave a teenager feeling judged.
At home, keep medicines in one place that adults control, and read the active ingredients on the label of any cough, cold or allergy product before it goes into the cart. For cough, cold and allergy medicines, the pharmacist at the counter can explain which age rules apply. Saving receipts for unfamiliar purchases from convenience stores also helps a family see what was bought and where.
If a teen swallows something that worries you, call Poison Help at 1-800-222-1222, a toll-free line that the federal health resources agency lists as available 24 hours a day. For a medical emergency, call 911 first. For the medicine rules described here, the Ohio Board of Pharmacy is the place to confirm current requirements, while questions about a store’s own limits go to the retailer.