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1. www.webmd.comWebMD - Better information. Better health.

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   WebMD is a trusted source of health and medical information, with expert reviews, community support, and educational services. Find a doctor near you or browse health news.

2. www.webmd.com › interaction-checkerDrug Interaction Checker - Find Interactions Between Medications

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   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.

3. www.webmd.com › digestive-disorders › gastroenteritisGastroenteritis (Stomach Flu): Symptoms, Causes, Treatments ...

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   2024年4月17日 · Gastroenteritis is inflammation from an infection in your stomach and intestines. It can cause nausea, diarrhea, and vomiting, which may cause dehydration. How long your symptoms last depends on ...

4. www.webmd.com › a-to-z-guides › overactive-thyroid-hyperthyroidismHyperthyroidism: Symptoms, Causes, Diagnosis, Treatment - WebMD

   www.webmd.com › a-to-z-guides › overactive-thyroid-hyperthyroidism

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   2024年4月11日 · If you have hyperthyroidism, it means your thyroid is overactive and produces too much of a hormone called thyroxine. Learn symptoms, causes, diagnosis, and treatment options.

5. www.webmd.com › brain › understanding-fainting-basicsFainting and Passing Out: What It Feels Like and What Causes ...

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   • Overview
   • Causes
   • Prognosis
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   Fainting, also called syncope (pronounced SIN-ko-pee), is a sudden, brief loss of consciousness and posture caused by decreased blood flow to the brain.

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   Many different conditions can cause fainting. These include heart problems such as irregular heart beats, seizures, low blood sugar (hypoglycemia), anemia (a deficiency in healthy oxygen carrying cells), and problems with how the nervous system (the body's system of nerves) regulates blood pressure. Some types of fainting seem to run in families. F...

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   While fainting may indicate a particular medical condition, sometimes it may occur in an otherwise healthy individual. Fainting is a particular problem for the elderly who may suffer serious injuries from falls when they faint. Most episodes are very brief. In most cases, the individual who has fainted regains complete consciousness within just a f...

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   Fainting is a common problem, accounting for 3% of emergency room visits and 6% of hospital admissions. It can happen in otherwise healthy people. A person may feel faint and lightheaded (presyncope) or lose consciousness (syncope).

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6. www.webmd.com › a-to-z-guides › understanding-anemia-basicsAnemia: Causes, Symptoms, Diagnosis, Treatments - WebMD

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   2023年8月3日 · At a certain point, as your blood cells decrease, symptoms often develop. Depending on the cause of the anemia, symptoms may include: Dizziness, lightheadness, or feeling like you are about to ...

7. www.webmd.com › diabetes › diabetes-hyperglycemiaHyperglycemia (High Blood Sugar): Symptoms, Causes, ...

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   2023年11月8日 · Hyperglycemia, or high blood sugar, is a serious problem if you have diabetes. Know the causes and ways to prevent this condition. Symptoms of High Blood Sugar Early hyperglycemia symptoms include