If the lower limit of blood pressure exceeds 90mm of Hg and upper limit of blood pressure exceeds 140 mm of Hg then it is said to be high blood pressure.
- Severe headaches.
- Nosebleed.
- Fatigue or confusion.
- Vision problems.
- Chest pain.
- Difficulty breathing.
- Irregular heartbeat.
- Blood in the urine.
Sometimes sudden high blood presures are caused due to food habits or medication which when stopped lowers the blood pressur back to normal. These spikes, which typically last only a short period of time, are also known as sudden high blood pressure. These are some possible causes: Caffeine. Certain medications (such as nonsteroidal anti-inflammatory drugs) or combinations of medications.