Intolerance to heat
Overview
Heat intolerance is a condition where the body has difficulty regulating temperature and cannot tolerate warm environments or temperatures that others find comfortable. People with heat intolerance may experience excessive sweating, fatigue, dizziness, or nausea when exposed to heat.
Common Causes
Heat intolerance can occur due to dehydration, which reduces your body's ability to regulate temperature through sweating. Certain medications like antihistamines, blood pressure drugs, and antidepressants can interfere with your body's cooling mechanisms. Hormonal changes during menopause, pregnancy, or thyroid disorders can also affect temperature regulation. Being overweight, consuming alcohol or caffeine, and living a sedentary lifestyle can make it harder for your body to cope with warm temperatures.
Severity Levels
Mild: You may feel slightly uncomfortable in warm rooms or during mild physical activity, with some increased sweating or mild fatigue that resolves quickly when you cool down.
Moderate: You experience noticeable discomfort in normal warm weather or heated indoor spaces, requiring frequent breaks, air conditioning, or cooling measures to feel comfortable during daily activities.
Severe: You cannot tolerate even mildly warm environments without significant distress, requiring constant climate control and may need to avoid outdoor activities or certain locations entirely to prevent serious symptoms.
Medical Attention
Seek immediate medical attention if you experience severe symptoms like difficulty breathing, rapid heartbeat, confusion, or fainting in warm conditions. Contact your healthcare provider if heat-related symptoms interfere with daily activities, worsen over time, or are accompanied by other concerning signs like unexplained weight loss or persistent fatigue. If you suddenly develop this condition without explanation, especially if you're taking new medications or have underlying health conditions, schedule an appointment with your doctor for proper evaluation.
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