A tension headache is generally a diffuse, mild to moderate pain in the head. Signs and symptoms of a tension headache include dull head pain with sensation of tightness or pressure across forehead or on the sides and back of the head. It usually lasts for 30 minutes to several hours, though it can last up to 1 week. The average pain duration is less than 24 hours. Other related symptom in some patients is mild nausea, usually without vomiting. Bright light, body movement and loud noise do not usually worsen the symptoms.
Cluster headache is classified as a part of the trigeminal autonomic cephalalgias or (TACs). Cluster headaches are more prevalent in men than women. Pain is characterized by recurrent, severe headache on one side of the head, typically around the eye. It generally occurs in cyclical patterns or cluster periods. Main symptoms include excruciating pain that is situated in, behind or around affected eye which may radiate to other areas of face, head and neck, severe eye pain with burning sensation on the affected side and drooping eyelid on the affected side. Other autonomic symptoms are redness of affected eye, excessive tearing, stuffy or runny nose on the affected side, swelling eyelid, forehead or facial sweating on the affected side. Restlessness and tinnitus (the perception of noise or ringing in the ears) are possible symptoms during attack. Without treatment, it may last from 30 minutes to 3 hours (average pain duration is an hour). A unique characteristic of cluster headache is that attacks occur at specific times in waves (cluster) as a cyclical rhythm with cluster bout such as cluster pain during a particular month of each year and may last for days or up to weeks. After the attack, symptoms will disappear. Following the episode, there may be no headaches until the same month of the following year.
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