Definition of Heat intolerance:

Heat intolerance is the inability to be comfortable when external temperatures rise.

Considerations:

Heat intolerance often produces a feeling of being overheated and can cause heavy sweating. Heat intolerance usually comes on slowly and lasts over the long-term.

Common Causes:

• Amphetamines such as appetite suppressants
• Caffeine
• Excess thyroid hormone (thyrotoxicosis)
• Menopause