Doctors do not have a set number to indicate low blood pressure, according to WebMD. Blood pressure is too low when it causes symptoms or drops suddenly. Low blood pressure symptoms occur at different readings for differ... More » Health Medical Ranges & Levels

Signs of low blood pressure include fainting, blurred vision, nausea, thirst, dizziness and a lack of concentration, according to Mayo Clinic. Often low blood pressure has no symptoms. There is usually an underlying caus... More »

Doctors consider blood pressure under 90/60 low, according to WebMD. Low blood pressure often is not serious but can sometimes indicate an underlying condition that requires medical evaluation. More » Health Medical Ranges & Levels

Treatment for low blood pressure may include adding salt to the diet, the infusion of fluids via an intravenous line or medication to treat the underlying cause of the low blood pressure. Low blood pressure is generally ... More » Health Medical Ranges & Levels

According to WebMD, low blood pressure can be raised by eating a diet high in salt. Drinking a lot of extra fluids is also a way that patients can raise their low blood pressure naturally. More » Health Medical Ranges & Levels

If a person has a blood pressure reading that is 85/55 millimeters of mercury or lower and experiences dizziness, fatigue or fainting spells, then this can be indicative of low blood pressure or hypotension, states the A... More »

The most effective treatment for low blood pressure or hypotension depends on the severity of a patient's signs and symptoms, as well as the type of hypotension he has, according to the National Heart, Lung and Blood Ins... More »