Teeth grinding and teeth abscesses is a very common cause of migraines. The unwell feeling is because you are not sleeping properly and also the muscles in your jaw are all tense. Teeth grinding is called bruxism and a dentist can make you a mouth shield (similar to the one a footballer wears) which reduces the grinding and will make you feel better. He can also treat the abscess which is an infection so will definitely make you feel unwell.
There are a number of possible causes for feeling pressure at the back of the head. They include tension headaches, migraines, headaches originating from the neck area, and inflamed sinuses.
Any chemical from air coditioners cause migraines.
Abscessed tooth only happens for three reasons; when teeth are damaged such as an untreated cavity, a person brushed their teeth properly, and lastly the gum diseases. Those are the three causes to an abscessed tooth.
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Migraines can come about for almost any reason. These include stress, light sensitivity, sound sensitivity, and hunger. They also can be caused by genetics.
Many things cause migraines. Diet is one factor. Foods like cheese, chocolate, coffee, and other foods that contain caffeine can cause migraines. I am a migraine sufferer myself, and have found that playing video games, watching television or using the computer for long periods of time, can also trigger a migraine. Also, Migraine suffering can run in families. My father suffers from migraines and, consequently, I to suffer from them. Stress is another thing. If you've had a hectic day at work or school, or your feeling stressed, that can cause migraines. I hope I've been of some help.
Many people suffering from migraines are dealing with a food allergy. It could be anything from wheat to certain food dyes to caffeine. Keeping a food journal can help you uncover any dietary causes for your migraines. To determine if a certain food is causing the migraines, it should be completely eliminated from the diet for a few weeks. If the migraines cease then you may have uncovered the dietary trigger and found an easy way to avoid the pain of migraines.
The same thing that causes you to blink constantly. Their eyes are dry and they are keeping them moist.
Much information about migraines may be found on: http://en.wikipedia.org/wiki/Migraine. In short, a migraine is a chronic neurological disorder, known by moderate to severe headaches.
Some of the most common causes of migraines are lack of food, lack of sleep, excessive heat, and excessive stress. If you have a family member who suffers from migraines, that also increases your chances.
I sometimes get migraines before and during my period. What causes mine, as a woman who suffers from migraines, is the elevation and then severe drop in estrogen. During ovulation is when your estrogen levels are at the highest, and then your estrogen levels drop suddenly during your period. I don't know exactly why this imbalance causes our heads to pound while other women do okay with it.
Migraines have many causes. If you've visited your doctor and have not found a reason or relief, it is a good time to try vitamins. This site will give you excellent ideas and help: www.help-for-migraines.com/vitamins-for-headaches.html