Are Migraines Worse During a Heat Wave? A migraine is a persistent and recurrent kind of headache. A migraine causes severe headaches, often on the side or back of your head. Other symptoms of migraines include photosensitivity (light sensitivity), nausea and even vomiting. Doctors treat migraines with various pain-relieving migraine medications. Migraines are caused by a number of triggers such as stress, dietary triggers, temperature changes, certain health conditions and exhaustion. However, studies have shown that higher temperatures can cause and worsen migraines. But is it really true? Let’s find out! Are Migraines Worse During a Heat Wave? There are two factors that connect hot weather to a migraine. Firstly, excess sweating causes dehydration. Dehydration pulls your body’s water away from muscles and your brain, causing your head to hurt and feel heavy. Secondly, when the body heats up, blood is pumped faster due to a high heart rate. When this happens, the body will swea...
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