Inflammation: When you have a cold or flu infection, One's body's immune reaction can result in inflammation. This inflammation can impact blood vessels and bring about them to become narrower, resulting in a rise in blood pressure level.?? ???? ?? ?? ?? ? ????? ??? ????? ?? ???? ??? ????. ??? ???? ??? ??? ?? ??? ???? ?? ?????.?? ??? ??? ??, ??? ??