What do i do when my blood pressure goes up to 120/100 with a terrible headache?

Hypertension: When the diastolic (bottom number of the blood pressure) reaches into the mid to high 90's and into the 100's, you could be facing a medical emergency, and the headache is a sign of severe Hypertension, also. You should get to a doctor or an emergency room IMMEDIATELY!

See docctor: unlikely that bp 120/100 cause of your headache. Headache can cause BP to go up do to the response of the body to the pain from the headache. Best to see your doctor for an evaluation of your headaches. Hope this helps. Best of luck. Dr R

Hypertension: A headache is not uncommon with uncontrolled hypertension. The bottom number, known as the diastolic blood pressure, signifies that your heart is not sufficiently in the relaxation phase after a contraction. Be sure to get a full evaluation from your doctor and take medication for life if warranted. A low sodium diet and weight loss will lower your blood pressure as well.