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  1. 2020年8月13日 · Use WebMD’s Drug Interaction Checker tool to find and identify potentially harmful and unsafe combinations of prescription medications by entering two or more drugs in question.

  2. 2022年11月12日 · Written by Hedy Marks. Symptoms. Causes. How It's Diagnosed. Treatments. 3 min read. Occipital neuralgia is a condition in which the nerves that run from the top of the spinal cord up through the...

    • Hedy Marks
  3. 2021年1月14日 · Use WebMD’s Pill Identifier to find and identify any over-the-counter or prescription drug, pill, or medication by color, shape, or imprint and easily compare pictures of multiple drugs.

    • Pathophysiology
    • Significance
    • Signs and symptoms
    • Overview
    • Prognosis

    A blood pressure reading appears as two numbers. The first and higher of the two is a measure of systolic pressure, or the pressure in the arteries when the heart beats and fills them with blood. The second number measures diastolic pressure, or the pressure in the arteries when the heart rests between beats.

    Optimal blood pressure is less than 120/80 (systolic/diastolic). In healthy people, low blood pressure without any symptoms is not usually a concern and does not need to be treated. But low blood pressure can be a sign of an underlying problem -- especially in the elderly -- where it may cause inadequate blood flow to the heart, brain, and other vi...

    Chronic low blood pressure with no symptoms is almost never serious. But health problems can occur when blood pressure drops suddenly and the brain is deprived of an adequate blood supply. This can lead to dizziness or lightheadedness. Sudden drops in blood pressure most commonly occur in someone who's rising from a lying down or sitting position t...

    Postural hypotension is considered a failure of the cardiovascular system or nervous system to react appropriately to sudden changes. Normally, when you stand up, some blood pools in your lower extremities. Uncorrected, this would cause your blood pressure to fall. But your body normally compensates by sending messages to your heart to beat faster ...

    The risk of both low and high blood pressure normally increases with age due in part to normal changes during aging. In addition, blood flow to the heart muscle and the brain declines with age, often as a result of plaque buildup in blood vessels. An estimated 10% to 20% of people over age 65 have postural hypotension.

  4. 2023年2月5日 · Until you feel better, rest, drink enough fluids, and watch what you eat. Probiotics may help. They’re pills or foods with “good” bacteria or yeast in them. They can replace “bad ...

  5. www.webmd.com › a-to-z-guides › swollen-ankles-and-feetSwollen Ankles and Feet - WebMD

    2023年3月5日 · Blood clot. Blood clots that form in the veins of the legs can stop the return flow of blood from the legs back up to the heart and cause swelling in the ankles and feet. Blood clots can be either ...

  6. 2023年10月30日 · 6 min read. Doctors order a blood urea nitrogen (BUN) test to measure the amount of urea nitrogen in your blood. It helps them see how well your kidneys are working. What Is Blood Urea...

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