When people come in contact with poison ivy, the urushiol can cause an allergic skin reaction that produces reddish, itchy, and painful inflammation of the skin (dermatitis). Close relatives of poison ivy plants that produce similar dermatitis symptoms are poison oak and poison sumac.
Health conditions that may cause excessive sweating include: 1  Diabetes. 2  Endocarditis. 3  Fever of undetermined cause.  Generalized anxiety 1  disorder. Hiatal hernia.  Heat 1  exhaustion. HIV/ 2 AIDS. Hyperhidrosis.  Hyperthyroidism (overactive 1  thyroid) 2  Leukemia.  Malaria.
Some of the causes of excessive perspiration are normal ordinary causes. Exercise and exertion are some of the causes of sweat. Acting as the bodies temperature gauge, hot weather, spicy foods, and hot drinks can all induce much perspiration. Some not as commonly known causes of excessive sweating are smoking, alcohol consumption, and synthetic clothing, which can also produce some strange body odor.