A member asked:

What causes severe burning and itchy all over my body when my body warms up during exercise, eating hot food, or walking in the sun without rashes?

8 doctors weighed in across 2 answers

Could: Due to lactic acidosis from anaerobic oxidation. Should improve with frequent exercise

Answered 11/8/2017

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Dr. Dora Chizea answered

Specializes in Anti-Aging Medicine

Heat ... Urticaria: 30 y/o Male asks What causes severe burning and itchy all over my body when it warms up during exercise/eating hot food ..without rashes? A form of Heat-Induced Urticaria. Happens when special Allergy cells known as Mast cells release Histamines in response to heat stimulation. Can also be induced by very cold temperatures. If it is bothersome one should see their PCP for management.

Answered 10/30/2017

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