Low blood pressure (hypotension) symptoms may include:  Blurred or fading vision Dizziness or lightheadedness Fainting Fatigue Trouble concentrating Nausea  For some people, low blood pressure may be a sign of an underlying health condition, especially when it drops suddenly or occurs with symptoms. A sudden fall in blood pressure can be dangerous. A change of just 20 mm Hg — a drop from 110 mm Hg systolic to 90 mm Hg systolic, for example — can cause dizziness and fainting. And big drops, such as those caused by uncontrolled bleeding, severe infections or allergic reactions, can be life-threatening. mm Hg mm Hg mm Hg Extreme low blood pressure can lead to a condition known as shock. Symptoms of shock include:  Confusion, especially in older people Cold, clammy skin Decrease in skin coloration (pallor) Rapid, shallow breathing Weak and rapid pulse 
low blood pressure (hypotension) symptoms may include:  blurred fading vision dizziness lightheadedness fainting fatigue trouble concentrating nausea  people  low blood pressure may sign underlying health condition  especially drops suddenly occurs symptoms  sudden fall blood pressure can dangerous  change just 20 mm hg — drop 110 mm hg systolic 90 mm hg systolic  example — can cause dizziness fainting  big drops  caused uncontrolled bleeding  severe infections allergic reactions  can life-threatening  mm hg mm hg mm hg extreme low blood pressure can lead condition known shock  symptoms shock include:  confusion  especially older people cold  clammy skin decrease skin coloration (pallor) rapid  shallow breathing weak rapid pulse 
low blood pressure