Facing frequent headaches during summer? Doctor explains it’s link with heat
From prolonged exposure to sun to dehydration, here are a few ways heat can trigger headaches.
As the summer heat starts to get worse, many people experience more intense and frequent headaches. Headaches and heat have a direct link, and summer season can worsen health conditions. In an interview with HT Lifestyle, Dr Atul Prasad, vice chairman and HOD, neurology, BLK-Max Super Speciality Hospital explained how summer heat can trigger headaches. Also read | How to get rid of migraine headaches fast? Doctors share comprehensive guide to migraine aura, triggers, best treatments
Dehydration:
High temperatures increase sweat loss, leading to dehydration, which is a major headache trigger. Dehydration reduces blood volume, potentially lowering blood flow and oxygen to the brain.
Heat-induced vasodilation:
Heat causes blood vessels to expand (vasodilation), which can increase pressure in the head and contribute to headache pain, especially in migraine-prone individuals.
Sun exposure:
Prolonged exposure to bright sunlight and glare can strain the eyes and brain, potentially triggering migraines or tension headaches.
Barometric pressure changes:
Often associated with hot weather fronts, changes in atmospheric pressure can affect people sensitive to these shifts, like migraine sufferers.
Sleep disruption:
Heat can interfere with sleep quality, and poor sleep is a well-known headache trigger.
Triggers for migraines:
For people with migraines, heat is a common environmental trigger, often combining with other factors like light, dehydration, or stress.
Heat exhaustion and heat stroke:
Prolonged exposure to high temperatures can lead to heat-related illnesses, with headaches being a common symptom.
Increased sun exposure:
Bright sunlight and glare can trigger light-sensitive headaches (e.g., migraines).
Humidity and air quality:
High humidity and poor air quality (ozone, pollution) can worsen sinus pressure and headaches.
Tips to prevent heat-related headaches:
- Drink plenty of water throughout the day, even if you’re not thirsty, especially if you’re outside or active.
- Avoid the hottest part of the day, usually between 11 a.m. and 4 p.m.
- Stay in the shade or indoors when it’s very hot.
- Use Cooling Measures such as old packs, cool showers, fans and air conditioning to keep cool. Also read | Can headaches trigger suicides? A 25-year-old study finds answers
- Wear sunglasses and a hat when outside to protect your eyes and head.
- Limit caffeine and alcohol as they can worsen dehydration.
- Monitor air quality and check pollution levels if you’re prone to sinus headaches
- Watch for warning signs like dizziness, dry mouth, or fatigue. They can mean you’re getting too hot or dehydrated.
Note to readers: This article is for informational purposes only and not a substitute for professional medical advice. Always seek the advice of your doctor with any questions about a medical condition.
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