Q:

Can low blood pressure cause headaches?

A:

Quick Answer

Headaches are not listed as a specific symptom of low blood pressure, but the condition can cause other sensations localized to the head, such as dizziness, blurry vision and lightheadedness, according to Healthline. Low blood pressure can also cause fatigue, nausea, depression, clammy skin and loss of consciousness.

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Full Answer

People are generally encouraged to keep their blood pressure as low as possible, but there are cases when it can drop to levels that signal an underlying health condition, notes Healthline. If a person's blood pressure reads below 90/60 millimeters of mercury and the individual experiences any symptoms of dizziness or fatigue, he may be suffering blood loss, poor circulation, diabetes, heart attack, dehydration, blood infection, thyroid disease, anaphylactic shock or adrenal insufficiency.

Some medications, such as beta-blockers, erectile dysfunction drugs, diuretics, nitroglycerin and antidepressants, are linked to cases of low blood pressure, according to Healthline. There are times when low pressure is a temporary sensation and does not constitute a health concern, such as when people stand up quickly and feel dizzy for a moment, or when someone suffers with extreme emotions. Elderly people with Parkinson’s disease are also prone to low blood pressure, especially after eating.

A person can enter into shock if his blood pressure drops low enough that his body is unable to supply adequate amounts of blood to vital organs, according to Healthline.

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