Learn about cluster headaches, a rare and severe form of primary headache disorder that causes intense pain on one side of the head. Find out the pathophysiology, diagnosis, and management options for this condition, as well as the latest FDA-approved medication for prevention. Cluster headaches are the most common of the primary headache type known as trigeminal autonomic cephalgias (TACs). They are relatively rare, plaguing 0.1% of the population, making studying the disease process difficult at best. They have earned consideration as one of if not the most severe types of headache, and so, despite their rarity, recognition and treatment are vital. There is some degree of genetic correspondence, as first-degree family members are 18 times more likely to be ... Cluster headaches cause severe, one-sided head pain. These headaches usually last for at least 30 minutes and happen multiple times per day. They tend to follow a pattern, often showing up at the same time each day. Headaches can last for months at a time before stopping. Cluster headache is a severe, unilateral headache disorder that affects about 0.1% of the population. It is characterized by recurrent attacks of pain around the eye, often accompanied by eye watering, nasal congestion, and autonomic symptoms.
