This information supports, and does not replace, advice from your healthcare professional.
Overview
Low blood pressure (hypotension) is a condition in which blood pressure is lower than normal, potentially causing dizziness, fainting, or shock in severe cases.
Symptoms
Dizziness or lightheadedness Fainting Blurred vision Nausea Fatigue and lack of concentration
Causes
Dehydration Heart problems Endocrine disorders Severe infection (septicemia) Medications such as diuretics or beta-blockers
Diagnosis
Blood pressure measurement in different positions Blood tests to check for underlying causes Electrocardiogram (ECG) or heart tests if needed
Treatment
Address underlying cause Increase fluid and salt intake (if appropriate) Medications in some cases Lifestyle adjustments such as avoiding sudden standing