Is a caffeine allergy possible?

Very unlikely. I hesitate to say impossible, but caffeine allergy is very highly unlikely. Allergy is typically to a protein. There are some exceptions, however I do not know of a case of proven caffeine allergy.

Related Questions

What are the symptoms of a caffeine allergy?

Not "allergy" Caffeine acts more like a chemical and not l ike an allergen, it does not cause immune reactions, but as a chemical has numerous effects on the cardiac and nervous systems such as jitteriness, nervousness, increased intestinal motility, and so on. Read more...

Is there any medication for someone with caffeine allergy?

Distinctly rare. Caffeine allergy is distinctly rare. It is reported in the literature but these are only rare case reports. As with food allergy, treatment is avoidance. Read more...

What is the definition or description of: Caffeine allergy?

Extremely rare. There are 2 case reports of caffeine allergy published and both are from Spain. One patient had hives and the other had anaphylaxis. There is a higher likelihood of workers in the coffee bean industry developing work related asthma from the inhaling the dust of coffee beans before they are roasted. Read more...

How would I go about confirming a caffeine allergy/ intolerance? When I consume caffeine I have what seems to be an anaphylactic reaction.

Not likely. Caffeine is a small molecule that rarely, if ever, causes anaphylaxis. Like any other possible allergen a skin test is performed. If history is convincing & test positive no further testing is required. Otherwise a blinded challenge is done in the office. Read more...
Distinctly Unusual. Caffeine allergy is unusual but has been reported in the literature. After speaking to your allergist and clarifying your history, there are several options that could be explored. Skin testing could be done but there is no standardized skin test reagents for caffeine thus the results must be interpreted with care. Oral challenges could be considered but only with your physicians supervision. Read more...