Why am i getting severe headaches at 26 weeks pregnant? any recommendations?

Headache n pregnancy: Besides the usual common causes of headache in general population such as common cold, sinusitis, tension, and migraine headaches, the serious condition of concern in a pregnant woman is pregnancy induced hypertension, and preeclampsia. Make sure you see your OB regularly to check your blood pressure, your feet for any unusual swelling, and your urine for the presence of protein to differentiate!