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.
Written by Countdown to Pregnancy. Headaches in pregnancy tend to occur most frequently in the first trimester. Hormone levels rise dramatically in early pregnancy, and can contribute to headaches. Changes in your blood circulation and blood volume during pregnancy can cause increased pressure on your blood vessels. This increase requires greater fluid intake to counteract dehydration, which can be another cause of headaches.