I am talking about not finding any medicine section, none whatsoever, in grocery stores.
My question is: can one buy aspirin or acetaminophen outside of pharmacies?
In the UK, yes you certainly can in all supermarkets. When you responded to a post by marko talking about the UK I assumed you were also referring to the UK, not Spain or Italy and I don’t know the answer to that specific question. On the few occasions in Spain, France and Belgium that we’ve needed medicines we have gone to a pharmacy because you can easily speak to an assistant and explain what you are looking for.