One can be allergic to a new medication when it is trying to get into one's system. Also all medications can react with others, depending on what other medication you are taking. I am prone to allergies on a permanent basis, and take an anti-histamine daily to avoid an allergic reaction to anything.

Personally...
I would go to doctor to have an allergy test. Simple, quick, painless...
(Your primary physician should be able to refer you) Then take it from there.

No. It has been a long time ago but I did have a problem and they took me off of it and put me on another medication.Today is Mother's Day, if you are blessed to have your mom alive, show her how much you care by giving her a gift that she will always remember.

Hang in there my friend... Hayfever is annoying and drains us... Get some rest and try not to get up tight over nothing... I presume you use a pump or meds for the asthma?

If people read the instructions in the meds all the time nobody would take them some off the side effects are bad that are rare