A migraine is a neurological condition that causes intense, throbbing headaches often accompanied by other symptoms such as nausea, sensitivity to light or sound, and visual disturbances. Unlike regular headaches, migraines can be severe and disabling, lasting from a few hours to several days. They commonly affect one side of the head and can interfere significantly with daily activities.

Migraines are thought to result from abnormal brain activity that temporarily affects nerve signals, chemicals, and blood vessels. Triggers vary between individuals but can include stress, hormonal changes, certain foods, dehydration, lack of sleep, or environmental factors like bright lights or strong smells. Identifying and managing personal triggers is key to preventing future attacks.

There are several types of migraines. The most common are migraine without aura, which involves pain and other symptoms but no warning signs, and migraine with aura, where visual or sensory changes occur before the headache begins. These may include flashing lights, blind spots, or tingling sensations. Some people experience migraines without a headache, known as silent migraines.