As the pressure increases, the eardrum may break open (rupture). Damage to the eardrum can also occur from: 1  A very loud noise close to the ear, such as a gunshot. 2  A rapid change in ear pressure, which may occur when flying, scuba diving, or driving in the mountains.  Foreign objects in the ear.
Constant headache: Introduction. Constant headache: Constant headache is a steady and continual discomfort in the head. See detailed information below for a list of 9 causes of Constant headache, Symptom Checker, including diseases and drug side effect causes. Â» Review Causes of Constant headache: Causes | Symptom Checker Â».
Cluster headache attacks occur cyclically, hence the name. A bout of regular attacks-cluster periods-can last from a few days, weeks, to even months. This is followed by remission periods during which no headaches are felt.Cluster headaches are not very common-they are said to affect about 1 in every 1,000 people.They affect men more often than women; about 80% of sufferers are men, most of them smokers. Fortunately, they generally have no long-term effects on the sufferer's physical health.luster headache attacks occur cyclically, hence the name. A bout of regular attacks-cluster periods-can last from a few days, weeks, to even months. This is followed by remission periods during which no headaches are felt.