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Causes could include:
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Fainting may occur while you are urinating, having a bowel movement (especially if straining), coughing very hard, or when you have been standing in one place too long. Fainting can also be related to fear, severe pain, or emotional distress.
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Fainting is caused by a variety of factors, including stress, pain, overheating, dehydration, excessive sweating, exhaustion, hunger, alcohol, and drugs. Fainting may also be a side effect of some medications.
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Extreme pain, fear, or stress may bring on fainting. This type of fainting is caused by overstimulation of the vagus nerve, a nerve connected to the brain that helps control breathing and circulation.
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Dozens of different underlying problems can cause syncope; some are life-threatening, others are of little importance. Here is one way to classify them.
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Low blood pressure, or hypotension, occurs when blood pressure during and after each heartbeat is much lower than usual. This means the heart, brain, and other parts of the body do not get enough blood.Low blood pressure; Blood pressure- low; Post...
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Hypotension is the medical term for low blood pressure.The pressure of the blood in the arteries rises and falls as the heart and muscles handle demands of daily living, such as exercise, sleep and stress. Some healthy people have blood pressure w...
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Doctors often consider chronically low blood pressure too low only if it drops suddenly or causes noticeable symptoms.
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While recommended healthy blood pressure levels have decreased, lowering diastolic pressure too much could deprive the heart of needed blood flow, which could be dangerous for people with coronary artery disease.
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Preliminary studies show that a promising new drug may treat the symptoms of low blood pressure.
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