According to a Dietitian

Sometimes these are called thunderclap headaches. This can occur when headaches are caused by bleeding in the brain. Should You Go To Work If You Have A Headache Quora There are many types and sub-types of headaches. Why do i keep getting headaches everyday . Do drink plenty of water. Chronic daily headaches which occur 15 days or more a month are one sub-type. Although the root causes of headaches are numerous ranging from muscular tension to medical situation that are much more serious there are two primary causes of headaches. Try to relax stress can make headaches worse. Keeping a headache diary might help determine your headache type. Note when your headaches occur your symptoms and potential triggers such as food stress or changes in sleep. Cluster headaches get their name from the way the headaches come in clusters or groups. For some people cluster headaches come in the morning. In reality headaches are rarely signs of a brain tumor. Constipation