What Causes Diarrhea?

Usually, diarrhea happens because of a virus that gets into your gut. Some people call it “intestinal flu” or “stomach flu.”

Other causes include:

Diarrhea may also follow constipation, especially for people who have irritable bowel syndrome.

Symptoms of Diarrhea

You may have:

  • Bloating in your belly
  • Cramps
  • Thin or loose stools
  • Watery stools
  • An urgent feeling that you need to have a bowel movement
  • Nausea and throwing up

More serious symptoms include:

If you have watery stools more than three times a day and you’re not drinking enough fluids, you could become dehydrated. That can be a serious problem if it’s not treated.

When Should I Call My Doctor?

Call your doctor right away if you have:

  • Blood in your diarrhea or black, tarry stools
  • A fever that is high (above 101 F) or that lasts more than 24 hours
  • Diarrhea lasting longer than 2 days
  • Nausea or throwing up that prevents you from drinking liquids to replace lost fluids
  • Severe pain in your belly (especially the right lower quadrant) or rear end
  • Diarrhea after coming back from a foreign country

Also, call your doctor right away if you have diarrhea and any of these signs of dehydration:

Diarrhea Diagnosis

Your doctor will ask about your medical history and what medications you take, as well as what you’ve eaten or had to drink recently. They will give you a physical exam to look for signs of dehydration or belly pain.

Certain tests can help pinpoint the cause of your diarrhea, including:

  • Blood tests to look for certain diseases or disorders
  • Colonoscopy, in rare cases, in which your doctor looks inside your colon with a thin, flexible tube that holds a tiny camera and light. They can also use this device to take a small sample of tissue. Or your doctor might need to do only a sigmoidoscopy, which looks at just the lower colon.
  • Stool tests to look for bacteria or parasites

Treatment for Diarrhea

If your case is mild, you may not need to take anything. Adults can take an over-the-counter medicine such as bismuth subsalicylate or loperamide, which you can get as liquids or tablets.

You also need to stay hydrated. You should drink at least six 8-ounce glasses of fluids each day. Choose electrolyte replacement drinks or soda without caffeine. Chicken broth (without the fat), tea with honey, and sports drinks are also good choices. Instead of drinking liquids with your meals, drink liquids between meals. Sip small amounts of fluids often. Liquid probiotics may also help.

How Can I Feel Better?

Your rectal area may become sore because of all the bowel movements that diarrhea brings. You may have itching, burning, or pain when you go to the bathroom.

For relief, take a warm bath or sitz bath. Afterward, pat the area dry (don’t rub) with a clean, soft towel. You may also try using a hemorrhoid cream or petroleum jelly on the affected area. If this continues for several days, you should contact your doctor.

Credit: webmd.com

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