Why does blood pressure get high when in pain? Pain elevates blood pressure because of two biological responses that occur when your body experiences painful sensations: Electrical pain signals sent out from the brain stimulates a continuous discharge of the sympathetic nervous system. Pain tells the body that something is wrong. It is an involuntary response from the nervous system. This means the brain will automatically sense pain and work to stop it from harming the body.1 Pain comes in the form of a prick, tingle, sting, burn, or ache. It can be felt in one area or all over. It can occur once and be gone (acute) or it can be constant (chronic). Both acute and chronic pain can affect blood pressure.23. Read at more. https://cardiohow.com/the-link-between-high-blood-pressure-and-pain/