Hi, I’ve discovered that I’m allergic to antihistamines a

Patient: Hi,I’ve discovered that I’m allergic to antihistamines and my hay fever is driving me insane! What alternatives are there. Also, how rare is an antihistamine allergy? It seems counterintuitive!

Symptoms: The hay fever is just as normal. Antihistamines cause severe stomach pains and diarrhoea.

Doctor: