Smoking and second-hand smoke from cigarettes, cigars, and pipes can contribute to headaches for both the smoker and the non-smoker. Nicotine, one of the components of tobacco, stimulates the blood vessels in the brain to constrict (narrow). Smoking also stimulates the nerves in the back of the throat, contributing to headache pain.
Usually, by removing the stimulus (nicotine), headaches will be relieved. Quitting smoking or reducing exposure to second-hand smoke is especially helpful for those with cluster headaches. In one study of people with cluster headaches, those who reduced their tobacco use by less than one-half pack of cigarettes per day found their headaches decreased by 50%.
Hemicrania continua, or continuous headache, is a rare type of headache that doesn't stop.
The pain is felt on one side of the face or head. It varies in severity.
Patients with hemicrania continua describe a dull ache or throb that is interrupted by periods of pain that is:
These attacks usually happen three to five times a day.
Some patients will have these headaches steadily for months or years. In others, the pain will go away for weeks or months. But then...