A dehydration headache can happen when your body needs more fluid. Thirst is usually one of the first symptoms, but dehydration can also cause headache, dry mouth, fatigue, and changes to urine ...

During the hotter months, hydration plays a key role in maintaining good health. One of the simplest and most effective ways ...

One of the trickiest things about dehydration is that you might not even feel thirsty when it starts. Thirst, it turns out, ...

Symptoms of heat exhaustion include headache, sweating, clammy skin, fatigue, nausea, dizziness, cramping, and rapid, shallow ...

A dehydration headache is a headache that happens when you don’t take in enough fluids, says Medhat Mikhael, M.D., a pain management specialist and medical director of the non-operative program ...

Rising temperatures can mean rising pain for many people, as summer heat can often trigger the onset of migraine headaches.

If taking an aspirin or simply lying down isn't cutting it when you have a headache, you may want to consider what's on your ...