Heat intolerance

• thyrotoxicosis (Excess thyroid hormone increases the basal metabolic rate, which causes body temperature to rise.)
• amphetamines (such as appetite suppressants)

Note: There may be other causes of heat intolerance. This list is not all inclusive, and the causes are not presented in order of likelihood. The causes of this symptom can include unlikely diseases and medications. Furthermore, the causes may vary based on age and gender of the affected person, as well as on the specific characteristics of the symptom such as quality, time course, aggravating factors, relieving factors, and associated complaints. Use the Symptom Analysis option to explore the possible explanations for heat intolerance, occurring alone or in combination with other problems.

Home Care:
Room temperature should be kept at a comfortable level. Drinking lots of fluids is recommended.

Call Your Healthcare Provider If:

• there is persistent and unexplained heat intolerance.

What to Expect:
The medical history will be obtained and a physical examination performed.

Medical history questions documenting heat intolerance in detail may include:

• time pattern
  • Have you had heat intolerance before?
  • Have you always had difficulty tolerating heat?
  • When did you begin to develop heat intolerance?

• aggravating factors
  • Is it worse when you exercise ?

• associated complaints
  • Have you also suffered a heat stroke ?

• other
  • What other symptoms are present? Especially, is there:
    • fainting
    • vomiting
    • dizziness
    • palpitations
    • rapid pulse ( heart rate )

Diagnostic tests that may be performed include:

• blood studies (such as CBC , or blood differential )
• X-rays of the skull
• thyroid studies ( TSH , T3 , T4 )

After seeing your health care provider:
You may want to add a diagnosis related to heat intolerance to your personal medical record.