Having headach for 5 days checked b p showing 164-106?

Headache and High BP. Your clearly have significant hypertension. I do not think that it is due to your elevated blood pressure. If you have a physician (p) go see her and discuss your treatment regimen with him. If you are not on BP meds, you may need to be. If you do not have a p, find one to see if you need to be on BP meds. With your diabetes control of BP is crucial to prevent diabetic complications. Good luck.