Does Pepto-Bismol cause constipation?
Yes, as a side effect, Pepto-Bismol can cause constipation.
Pepto-Bismol is an over-the-counter medication containing bismuth subsalicylate. It is used to treat bloating and diarrhea [1, 2]. However, in some people, Pepto-Bismol can cause constipation.
Pepto-Bismol can lead to constipation owing to its ability to absorb water from the intestine. On one hand, Pepto-Bismol lowers the inflammation in the gut and helps with conditions like diarrhea [1, 2]. On the other hand, Pepto-Bismol can slow down the movement of stool through the intestines. This can lead to constipation in some people.
Does Pepto-Bismol help with constipation?
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Pepto-Bismol is a popular over-the-counter medication primarily used to treat diarrhea and indigestion [2]. It is not used for the treatment of constipation.
Is it possible to prevent Pepto-Bismol from causing constipation?
Some general strategies can help prevent constipation when taking Pepto-Bismol.
One general preventive measure to prevent constipation from Pepto-Bismol is a fiber-rich diet. Eat around 14 grams of fiber per thousand calories [3]. It can help with stool passing and to avoid constipation. A fiber diet should contain whole grain products, fruits, and vegetables [4, 3].
Another key strategy to prevent constipation from Pepto-Bismol is staying hydrated. Drinking enough water makes the stool softer and bulkier [5]. It can reduce the risk of constipation when taking Pepto-Bismol.
Also, avoid drinking caffeine or alcohol, as they lead to dehydration [4]. It increases the risk of constipation.
Physical activity is another crucial factor in preventing constipation when taking Pepto-Bismol. One of the benefits of exercising is the support of bowel movements [5, 3]. It helps with stool passing.
Additionally, the consumption of probiotics can be helpful. Adding two grams of kefir to every meal for three months can significantly reduce the risk of constipation [6].
What are the side effects of Pepto-Bismol, and when should you see a doctor?
Pepto-Bismol, like any medication, also has side effects. It can cause:
In rare cases, Pepto-Bismol can lead to ringing in the ears, which can be a sign of overdose. You should seek medical attention when you experience ear ringing after Pepto-Bismol [7].
Also, when you experience vomiting, nausea, or constipation, you should stop taking Pepto-Bismol and see a doctor [2].
The black stool as a side effect of Pepto-Bismol is common. It is caused by the bismuth, which is the active substance of Pepto-Bismol. In the digestive system, bismuth connects with sulfur from the food and forms bismuth sulfide. This compound is black and can color the stool [2].
The bismuth sulfide also has a similar effect on the tongue. It causes the black color of the tongue and the buildup of dead cells. These dead cells give a hairy look to the tongue. The tongue changes disappear within a few days after stopping Pepto-Bismol [2].