Heat Wave and ME

Extreme heat can be particularly challenging for many not adapted to the climate and especially for people with Myalgic Encephalomyelitis because many already have problems with autonomic nervous system regulation, blood flow, temperature control, and energy production. Heat causes discomfort for most, including dehydration, heat exhaustion and heat stroke, but it can significantly worsen symptoms and sometimes trigger prolonged crashes known as post-exertional malaise for those with this disease. Autonomic Dysfunction Many people with ME experience orthostatic intolerance, including conditions such as Postural Orthostatic Tachycardia Syndrome. Heat causes blood vessels to dilate, which can worsen blood pooling in the legs and reduce blood flow to the brain. Impaired Temperature Regulation Difficulty regulating body temperature is a recognized feature of autonomic dysfunction in ME. This means it’s difficult to handle extreme weather when the body feels hot and cold seemingly at…