He was on Metoprolol and complained to his doctor who forced the pharmacy to give him the real medication, Toprol. Toprol is the brand name. Metoprolol is the generic
. My friend said the Metoprolol made him feel worse and as soon as he got on the Toprol he never had another PVC. Generics have to be something like 60% as effective as the brand name but can have impurities. They are not identical and they frequently come from China, India, the Czech Republic, etc. Who knows what is in them?