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.
Several hormone disorders can cause night sweating. Pheochromocytoma is a rare adrenal gland tumor that produces norepinephrine and epinephrine. These hormones control blood pressure and heart rate, so increased production can cause increased heart rate, high blood pressure and night sweating.Hyperthyroidism, which is also known as overactive thyroid, can cause night sweats because too much thyroid hormone is produced by the thyroid gland.he Mayo Clinic cites autonomic neuropathy and stroke can cause night sweating. Stroke can occur as the result of a burst blood vessel or a blood clot blocking the flow of blood to the brain. Autonomic neuropathy is a set of symptoms that occur when the nerves are damaged.