Blood pressure is dangerously high if it is above 180/120 mm Hg. At this severe level, high blood pressure can harm organs. It most often damages the brain, heart, kidneys, and eyes. It can be a life-threatening emergency.
High blood pressure emergencies are uncommon. But up to 2% of people with high blood pressure will have one at some point in their life. Contact your doctor right away if your blood pressure is above 180/120 mm Hg. If you are also having symptoms, seek immediate medical help.
Symptoms that may go with severe high blood pressure include:
- bloody nose
- chest pain
- shortness of breath
- numbness and tingling
- blurry vision or vision loss
Without treatment, severe high blood pressure can lead to:
- heart failure
- heart attack
- kidney failure
Severe high blood pressure is dangerous. It is a medical emergency, especially if there are signs of brain or heart damage. People need treatment as soon as possible to lower their blood pressure. They usually need care in a hospital intensive care unit. Doctors can watch them closely and treat the high blood pressure quickly.
If blood pressure is severely high, you could die!