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Should I stop antibiotics if I get diarrhea?

Author

Sarah Smith

Published Jan 08, 2026

If you have mild diarrhea, your symptoms likely will clear up within a few days after your antibiotic treatment ends. In some cases, your doctor may advise you to stop your antibiotic therapy until your diarrhea subsides.

What to do if you get diarrhea while on antibiotics?

Call your doctor right away if you have serious signs and symptoms of antibiotic-associated diarrhea. These signs and symptoms are common to a number of conditions, so your doctor might recommend tests — such as stool or blood tests — to determine the cause.

Does diarrhea make antibiotics ineffective?

While antibiotics are fighting infection, they can also kill the good bacteria in your intestinal tract. When that happens, diarrhea can result. Antibiotics are commonly prescribed to fight bacterial infections, but after taking the medication, you may experience diarrhea, an antibiotics side effect.

How much diarrhea is too much from antibiotics?

Call your doctor promptly if you have been taking antibiotics and you develop any of the following symptoms: More than five loose stools or episodes of diarrhea per day.

Why isn't Imodium stopping my diarrhea?

Unless recommended otherwise by your doctor, you should stop taking Imodium as soon as your diarrhea resolves. But if your diarrhea doesn't get better within 2 days of starting Imodium, see your doctor. And don't take Imodium for longer than 48 hours unless directed by your doctor.

18 related questions found

Why won't my diarrhea go away?

Some infections, food allergies and intolerances, digestive tract problems, abdominal surgery, and long-term use of medicines can cause chronic diarrhea. Some infections from bacteria and parasites that cause diarrhea do not go away quickly without treatment.

How long does antibiotic diarrhea last?

Signs and symptoms of antibiotic-associated diarrhea

Most times, the diarrhea lasts between one and seven days. Diarrhea usually begins between the second and eighth day of taking an antibiotic. Sometimes, however, it can last from the first day of antibiotics until a few weeks after your child finishes them.

Can I eat yogurt while taking antibiotics?

Eating yogurt or taking a so-called probiotic when you have to take antibiotics may help prevent the diarrhea that often accompanies antibiotic treatment. That's the conclusion of a study just published in the Journal of the American Medical Association.

What should I eat when my stomach is upset from antibiotics?

Yogurt. Yogurt is the best of best in reducing the side effects of antibiotics on your stomach. It is made by milk fermentation and contains many live enzymes that help digestion and provide a rehabilitating environment to gut flora.

How long does drug induced diarrhea last?

How long does medication-induced diarrhea last? Medication-induced diarrhea can last for a few days (acute diarrhea), or as long as 3 to 4 weeks (chronic diarrhea). Medication-induced diarrhea most often occurs right after starting a medication.

What to avoid while on antibiotics?

Dairy products include milk as well as butter, yogurt, and cheese. After taking an antibiotic you may need to wait for up to three hours before eating or drinking any dairy products. Grapefruit juice and dietary supplements containing minerals like calcium may also work dampen the effect of antibiotics.

Can I stop antibiotics if they are making me sick?

Stopping antibiotics when symptoms have substantially resolved appears to be effective and safe for many patients, especially those who are unlikely to have a bacterial infection or who have a self-limiting bacterial infection.

Why do I have diarrhea after antibiotics?

Since antibiotics are trying to kill bacteria in your body, they also kill bacteria in your intestines that keep your digestive system in balance. The result? Diarrhea.

How can I protect my stomach from antibiotics?

Taking Antibiotics? Here's How To Prevent Tummy Trouble

  1. Fiber-rich foods. High fiber foods can reduce inflammation in your gastrointestinal system, and can also positively affect your microbiome. ...
  2. Cultured or fermented foods. ...
  3. Garlic. ...
  4. Dark chocolate. ...
  5. Probiotic supplements.

What should I eat for breakfast while taking antibiotics?

Eat Fermented Foods

Fermented foods are produced by microbes and include yogurt, cheese, sauerkraut, kombucha and kimchi, among others. They contain a number of healthy bacterial species, such as Lactobacilli, which can help restore the gut microbiota to a healthy state after antibiotics.

What yogurt is best for diarrhea?

Dairy products

"Plain yogurt is best since the added sugars in flavored yogurt are not easy on the gut during an episode of diarrhea," she says.

Which probiotic is best for diarrhea?

Lactobacillus rhamnosus GG, Saccharomyces boulardii, Bifidobacterium lactis, and Lactobacillus casei are some of the most effective strains of probiotics for treating diarrhea.

What is considered severe diarrhea?

The severity of diarrhea is determined by the size and number of stools passed within a period of time. Severe diarrhea means having more than 10 loose, watery stools in a single day (24 hours). Moderate diarrhea means having more than a few but not more than 10 diarrhea stools in a day.

When does diarrhea start with Covid?

When does diarrhoea happen in COVID-19? Diarrhoea is an early sign of COVID-19, starting on the first day of infection and building in intensity during the first week. It usually lasts for an average of two to three days, but can last up to seven days in adults.

How long should you have diarrhea before going to the hospital?

You should seek medical attention as soon as possible for diarrhea with these symptoms: Diarrhea lasting more than two days. Blood or pus in the stool. Severe abdominal pain.

How should I lay down when I have diarrhea?

Sleep on Your Left Side

That's correct – the small intestine moves waste to your right side to make its way to the large intestine and then to the lower colon on the left side. This increases the likelihood of having your bowel movement first thing in the morning.

Can I take Imodium for antibiotic diarrhea?

In some cases of mild antibiotic-associated diarrhea, your doctor may recommend anti-diarrheal medications, such as loperamide (Imodium A-D).

Is yogurt good for diarrhea?

While it's wise to avoid dairy products when you have diarrhea, Dr. Kirby says, there's one notable exception — yogurt or kefir, a fermented milk drink, that contain probiotics. These can restore the beneficial bacteria that your body flushes out with diarrhea.

What should I eat while taking antibiotics?

What to eat during and after taking antibiotics

  • Probiotics. Probiotics are live microorganisms commonly known as “healthy bacteria.” ...
  • Prebiotics. Prebiotics are food for the beneficial bacteria that live in the gut microbiome. ...
  • Fermented foods. Fermented foods are good sources of beneficial bacteria. ...
  • Vitamin K. ...
  • Fiber.

Is it OK to stop taking antibiotics after 3 days?

If you're all well in three days, stop then. If you're not completely well, take it a little longer. But as soon as you feel fine, stop.