Heat intolerance is a feeling of being overheated when the temperature around you rises. It can often cause heavy sweating.
Heat intolerance usually comes on slowly and lasts for a long time, but it may also occur quickly and be a serious illness.
Heat intolerance may be caused by:
Keep room temperature at a comfortable level. Drink plenty of fluids.
Heat emergencies or illnesses are caused by exposure to extreme heat and sun. Heat illnesses can be prevented by being careful in hot, humid weather.
Call your health care provider if you have unexplained heat intolerance.
Your health care provider will take a medical history and perform a physical examination.
Medical history questions may include:
Tests that may be performed include:
Sensitivity to heat; Intolerance to heat
Kim M, Ladenson P. Thyroid. In: Goldman L, Schafer AI, eds. Goldman's Cecil Medicine. 24th ed. Philadelphia, PA: Elsevier Saunders; 2011:chap 233.
Winkenwerder W Jr., Sawka MN. Disorders due to heat and cold. In: Goldman L, Schafer AI, eds. Goldman's Cecil Medicine. 24th ed. Philadelphia, PA: Elsevier Saunders; 2011:chap 109.
Updated by: Linda J. Vorvick, MD, Medical Director and Director of Didactic Curriculum, MEDEX Northwest Division of Physician Assistant Studies, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.
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