Hypotension

Hypotension refers to low blood pressure and occurs when the blood flows at lower than normal pressures throughout the blood vessels. While a normal blood pressure is typically less than 120/80 mmHg, a low blood pressure is defined as a reading less than 90/60 mmHg.
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Some individuals constantly have low blood pressure, and it is considered normal. However, sudden blood pressure drops can be associated with health issues, such as a stroke or heart attack.
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The following are potential causes of low blood pressure:
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Autonomic nervous system problems (e.g., Parkinson’s disease)
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Blood loss
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Diabetes
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Dehydration
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Arrhythmias
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Medication
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Pregnancy
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Typical symptoms of low blood pressure include dizziness, fainting, lightheadedness, confusion, blurry vision, feeling tired, and nausea. If someone experiences these symptoms, it is best to consult a doctor to understand if there is an underlying issue.