Most headaches don’t endanger your life, but occasionally a headache is a symptom of a very serious condition. Learn the danger signs.

But even if you’re a headache veteran who's able to tough out even the most debilitating episodes, there are a few critical headache symptoms you should never ignore, according to Dr. Carolyn D.

Some headaches are minor and resolve with home treatment, but some are more severe and need medical care. If a headache occurs with blurred vision, nausea, or any other symptom that causes concern ...

New-onset severe headaches later in life warrant careful evaluation, as they may signal underlying conditions beyond typical migraines. While migraines commonly begin during adolescence or early ...

The International Headache Society recently issued a position paper that upgraded the standards for migraine prevention, ...

Migraine is a condition that can cause several symptoms, including severe headaches that can be pulsing and debilitating. These tend to occur on one side of your head and can last from a few hours ...

With this condition, you may have uncomfortable symptoms that come on suddenly, including headache. With severe hypoglycemia, you may lose consciousness or have a seizure. Severe hypoglycemia is ...