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1. www.webmd.com › digestive-disorders › travelers-diarrheaTraveler's Diarrhea: Causes, Symptoms, and Prevention - WebMD

   www.webmd.com › digestive-disorders › travelers-diarrhea

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   2024年6月24日 · Traveler's diarrhea is an intestinal infection that happens when you eat or drink contaminated food or water. You can get traveler's diarrhea anywhere, but you're more likely to get it when you...

2. www.webmd.com › first-aid › nosebleeds-causes-and-treatmentsHow To Stop & Prevent Nosebleeds

   www.webmd.com › first-aid › nosebleeds-causes-and-treatments

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   2021年10月19日 · Use your thumb and index finger to hold your nostrils closed for 5 to 10 minutes while you breathe through your mouth. This puts pressure on the part of your nose that’s bleeding and can make the...

3. www.webmd.com › diet › supplement-guide-niacinNiacin (Vitamin B3): Benefits and Side Effects - WebMD

   www.webmd.com › diet › supplement-guide-niacin

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   • Benefits
   • Medical uses
   • Risks
   • Administration
   • Definition
   • Treatment

   Having enough niacin, or vitamin B3, in the body is important for general good health. As a treatment, higher amounts of niacin can improve cholesterol levels and lower cardiovascular risks. Niacin has other benefits. There's good evidence that it helps reduce atherosclerosis, or hardening of the arteries in some people. For people who have already...

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   As a cholesterol treatment, there are good studies showing that niacin can boost levels of good HDL cholesterol and lower triglycerides. Niacin also modestly lowers bad LDL cholesterol. It's often prescribed in combination with statins for cholesterol control, such as Crestor, Lescol, or Lipitor.

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   However, niacin is only effective as a cholesterol treatment at fairly high doses. These doses could pose risks, such as liver damage, gastrointestinal problems, or glucose intolerance. So don't treat yourself with over-the-counter niacin supplements. Instead, get advice from your health care provider, who can prescribe FDA-approved doses of niacin...

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   Since niacin can be used in different ways, talk to your health care provider about the best dosage for you.

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   Everyone needs a certain amount of niacin -- from food or supplements -- for the body to function normally. This amount is called the dietary reference intake (DRI), a term that is replacing the older and more familiar RDA (recommended daily allowance). For niacin, the DRIs vary with age and other factors:

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   If your doctor prescribes niacin, you might want to take it with food. This can prevent upset stomach. To reduce flushing -- a harmless but uncomfortable side effect of niacin that describes redness and warmth in the face and neck -- your health care provider might recommend taking niacin along with aspirin, an NSAID painkiller, or an antihistamine...

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