English version

patent medicine in Drugs, medicines topic

From Longman Dictionary of Contemporary Englishpatent medicinepatent medi‧cine /ˌpeɪtnt ˈmedsən $ ˌpætnt ˈmedəsən/ noun [countable]  MDBBTa medicine which can be bought without a prescription (=a written order from your doctor) syn over-the-counter
Examples from the Corpus
patent medicineLike a vile-tasting patent medicine, they appreciate the need for treatment, but find it hard to swallow.Now, when I stopped at the Emporium, I looked at the patent medicine display first.