why does hypotension cause nausea
If you have a blood pressure reading of 90/60 or lower, you're usually considered to have low blood pressure (also known as hypotension). Symptoms of low blood pressure include: 1  weakness. 2  fatigue. 3  dizziness. 4  feeling faint. 5  sweating. 6  nausea. 7  heart palpitations (if low blood pressure is caused by a heart problem).