immune disorders
Physical Allergy
Symptoms of Physical Allergy
Itching, skin blotches, Hives , and swelling of tissues under the skin ( When people who are sensitive to heat are exposed to heat or engage in any activity that causes sweating, they may develop small, intensely itchy hives that are surrounded by a ring of redness—a condition called cholinergic urticaria. When people who are sensitive to cold are exposed to cold, they may develop hives, asthma, a runny nose, nasal stuffiness, or angioedema. Rarely, a severe, widespread Anaphylactic Reactions occurs. 