I work as a vet doctor. I went to buy Diphenhydramine for the same purpose. At work, if necessary, they quietly gave it out at a local pharmacy, and then the pharmacist began to think that he would not give it out without a prescription. To my persuasions that I was a doctor myself and explanations of why I needed it, the pharmacist very arrogantly scoffed, saying that the drug had only one effect (hypnotic) and that I was talking some nonsense. In general, I was pissed off. In another pharmacy, they quietly gave me my 20 boxes for a horse...
But this was an isolated incident. A younger girl is already standing there. But the negative aftertaste still remained