The body can also feel hot and weak on one side and may last for about 15 to 30 minutes and then followed by an intense headache. Other warning signs of migraines can also include the feeling of tiredness, depression, and/or restlessness that can go for two to three days before the headache is experienced. Experts say that about one in every five women experience migraine headache at least once in their lifetime and about 15 percent of them get migraines for the first time when become pregnant. Most pregnant women agree that migraine is characterized by severe throbbing pain in the head and is accompanied by vomiting and dizziness. When the individual is able, it will be a good idea to go to the hospital so a thorough examination can be done and proper treatment can be given. Some patients will be advised to stay at home for a few days while others will be given medication to make it go away. The headache with dizziness experienced by the person can be episodic meaning this occurred because of the current situation in school or at work. But when the headache becomes worse, make sure that you visit your health care provider because it can also be an indication of more serious illnesses like meningitis or the inflammation of the meninges or membrane around a person s brain; sub-arachnoid haemorrhage due a bleeding in the space between the brain and the arachnoid layer of the meninges, stroke, blood pressure, brain tumor, and temporal arteritis due to the inflammation of the arteries in the scalp. To narrow down the problem, a blood test and a neurological exam will be done on the patient. Two of these tests are the CT scan and the electroencephalogram or EEG. If the brain activity is normal and there are no problems inside like a broken blood vessel or tumor, only then can doctors say it is a chronic headache. Chemical sensitivities. Chemicals found in different gadgets such as computers are one of the major triggers of headaches such as migraine. Caffeine that is usually found in sodas, coffee, tea, chocolate, and some over the counter painkillers can also cause headaches. Try to eliminate all the sources of caffeine from your diet.