How do allergy and intolerance differ? | Skin rash due to medication

How do allergy and intolerance differ? Drug intolerance is a (faulty) reaction of the body’s own defence system to drugs taken or applied locally or their conversion/degradation products. The immune system falsely recognizes these as foreign or harmful and starts to fight them, which ultimately ends in an inflammatory reaction that can manifest itself in … How do allergy and intolerance differ? | Skin rash due to medication