how do you know if your blood level is low?
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['Feel a little tired or very tired.', 'Feel less alert or have trouble concentrating.', 'Have a loss of appetite or lose weight.', 'Have paler-than-normal skin.', 'Have trouble breathing.', 'Have rapid heartbeat.', 'Have reduced ability to exercise or climb stairs.']
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A low red blood cell count is called anemia. If you have a low red blood cell count, you may: Feel a little tired or very tired.
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Low blood pressure, medically known as hypotension, is when your blood pressure is below 90/60mmHg. This does not necessarily mean that there is a problem. In fact, people with low blood pressure tend to live longer than those with high, or even normal, blood pressure.
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A blood oxygen level below 60 mm Hg is considered low and may require oxygen supplementation, depending on a doctor's decision and the individual case. When blood oxygen level is too low compared to the average level of a healthy person, it can be a sign of a condition known as hypoxemia.
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In many cases, a low hemoglobin count that's only slightly lower than normal doesn't affect how you feel. A low hemoglobin count that's more severe and causes symptoms might mean you have anemia.
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Low blood pressure may be a sign of multiple conditions, including dehydration, severe infection with septic shock, endocrine (hormonal) conditions, some heart diseases, and taking certain medications. Psychological stress is not a known cause of abnormally low blood pressure.
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If you have anemia, your body does not get enough oxygen-rich blood. This can cause you to feel tired or weak. You may also have shortness of breath, dizziness, headaches, or an irregular heartbeat.
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You may feel dizzy, faint or off balance if your heart isn't pumping enough blood to your brain. Causes include: Drop in blood pressure. A dramatic drop in your systolic blood pressure — the higher number in your blood pressure reading — may result in brief lightheadedness or a feeling of faintness.
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It can cause fatigue, weakness, and shortness of breath. Some people with internal bleeding will also have low blood pressure because of the constant blood loss. This is known as orthostatic hypotension. Common symptoms include feeling dizzy or light-headed when you stand.
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Low blood pressure has many different causes including: Emotional stress, fear, insecurity or pain (the most common causes of fainting) Dehydration, which reduces blood volume. The body's reaction to heat, which is to shunt blood into the vessels of the skin, leading to dehydration.
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['cold or clammy skin.', 'pale skin.', 'rapid, shallow breathing.', 'rapid heart rate.', 'little or no urine output.', 'confusion.', 'weakness.', 'weak pulse.']
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When you have a low blood count, this means your bone marrow is not making enough of one type of blood cells. Doctors call a low blood count cytopenia .
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Some experts define low blood pressure as readings lower than 90 mm Hg systolic or 60 mm Hg diastolic. If either number is below that, your pressure is lower than normal.
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The symptoms of low blood pressure include lightheadedness, dizziness, and fainting. These symptoms are most prominent when individuals go from the lying or sitting position to the standing position (orthostatic hypotension).
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Other causes of low blood pressure include medicines, bleeding, aging, and conditions such as dehydration, pregnancy, diabetes, and heart problems. Older adults have a higher risk for symptoms of low blood pressure, such as falling, fainting, or dizziness upon standing up or after a meal.
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Symptoms of low blood pressure Dizziness or lightheadedness. Nausea. Fainting (syncope) Dehydration and unusual thirst.
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Most doctors consider blood pressure too low only if it causes symptoms. Some experts define low blood pressure as readings lower than 90 mm Hg systolic or 60 mm Hg diastolic. If either number is below that, your pressure is lower than normal.