An allergic reaction has a very specific medical defination that differs from the lay defination. For example, a lot of people beleive that lactose intolerance is a food allergy when instead it is a metabolic condition. In order to be classified as a allergen a substance must elicit a IgE meditated antibody reponse. (IgE is the class of antibodies involved in allergic reactions)

While reports of Allergies to reptiles are rare, they are not completely unheard of.

There are several reports of people being bitten repeatedly by venomous snakes and developing an allergic reactions to the venom. (Think of it as a bee sting.....at any exposure you could develop an an anaphylactic allergic reaction.) See http://www.ncbi.nlm.nih.gov/entrez/q...=pubmed_DocSum

There are also a few of reports of people developing allergic rhinoconjunctivitis to iguana scales and/or urine.

See http://www.jiaci.org/issues/vol16iss...issue03-11.htm (Western blots rock!)

http://www.ncbi.nlm.nih.gov/entrez/q..._uids=10932082

There has also been a report by a German group of allergies to


So it possible, but without laboratory confirmation you cant verify that the symptoms are due to allergic reaction.