Allergies Support Group
When the immune system responds to a foreign substance in an abnormal way, it is classified as an allergy. When the body first contacts the substance, it will not cause any reactions, but the immune system will start to produce antibodies to it and subsequent contact will trigger more dramatic responses. Depending on the allergy, the response could be mild or very severe...
With your meds, that sucks. I've never had to come off my meds (other than my allergy meds) before an allergy test. I did read that amitryptalin does interfere with allergy testing. I'm sorry that you have to go through this. I hope for the best for you.