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.
Pregnancy and Headaches. Headaches During Pregnancy: Causes and Treatment. Headaches are one of the most common discomforts experienced during pregnancy. Headaches may occur at any time during your pregnancy, but they tend to be most common during the first and third trimesters. During the first trimester, your body experiences a surge of hormones and an increase in blood volume.