Medical history number 2. A man of twenty-eight years suffered continuous attacks of migraine neuralgia from 18 to 25 years, but then the consistency and regularity of the occurrence of cluster attacks was different. The younger brother of a patient suffering from the same symptoms. The patient vividly tells about the moments and circumstances of occurrence of attacks. For example, they usually occur at night during sleep, as well as when the patient is dozing in front of TV, resting after work or a heavy meal. The attack may begin after the disease orgazma.Istoriya number 3. Forty years of a man suffering from migraine neuralgia with a number of unusual symptoms. Unchanged a warning sign of an impending attack is tearing that usually begins one to two hours before the onset of pain. The attack most often affects the right side, although approximately one out of twenty starts the pain left. Merciless regularity frequent bouts was overcome by monthly injections of histamine. These injections are immediately followed by an attack of migraine neuralgia, but the patient apparently "discharged" this attack and feels well until the next injection.