It could be caused by either, or by chiggers, or mosquito bites, or allergy to something like poison ivy or poison oak, or any of a myriad of other things. Itching usually responds well to a topical cortisone cream available over the counter, however with your history of serious allergic reactions it would be best for you to see a doctor for diagnosis.
We are not doctors here, and cannot diagnose your condition, so please do see your own doctor.
Ulcerative colitis diagnosed in 2001; symptoms as early as 1992. In remission since 2006 with Remicade.
Inflammatory osteoarthritis; osteonecrosis from steroids
Grave's disease successfully treated with radioactive iodine and now on Levothyroxine.
Type II diabetes induced by steroids.
Meds: Remicade, Colazal, Levothyroxine, Mobic, Metformin
Moderator, thyroid forum