All 3 patients had two additional atherosclerotic or nonatherosclerotic risk factors for stroke, suggesting that vertebral artery hypoplasia combined with other conventional risk factors may provide an optimal background for brainstem ischemia.
Category B anti-headache medications include Tylenol (acetaminophen); Reglan (metoclopramide), which is used for nausea but also may relieve a mild headache; and over-the-counter non-steroidal anti-inflammatory drugs such as Advil and Motrin (ibuprofen) or Aleve (naproxen) only during the first and second trimesters.
Assuming you are not talking about a headache from a hungover, or a cold, or a brain tumor, but something like a migraine. The best thing to consume is green tea, given you do not have any digestive problems. What also works is having a massage on your neck and shoulders (but please don't do that if you are pregnant.