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Doctor insights on: Does Pepto Bismol Cause Constipation

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Dr. Darrin Cunningham
274 Doctors shared insights

Pepto Bismol (Definition)

Pepto-Bismol is an anti-diarrheal agent which is a ...Read more


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Can 1 tablet of pepto bismol (bismuth subsalicylate) cause constipation?

Not anticipated w 1: Tab. Pepto bismol (bismuth subsalicylate) is used to treat diarrhea, nausea, heartburn ; indigestion. However, pepto bismol (bismuth subsalicylate) can cause constipation in children. ...Read more

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Can pepto bismol (bismuth subsalicylate) cause me to have black stools as well as constipation?

Can pepto bismol (bismuth subsalicylate) cause me to have black stools as well as constipation?

Yes, yes: Bismuth, the main ingredient in pepto bismol, (bismuth subsalicylate) will turn the stools black transiently and may lead to temporary constipation. Ifr the black stools continue days after use of pepto, you need to see a GI doctor to be evaluated for an upper GI source of bleeding from your stomach which will also cause the stools to be black. ...Read more

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Does pepto-bismol treat constipation?

Does pepto-bismol treat constipation?

No - Pepto Bismol (bismuth subsalicylate): Is used to treat diarrhea, nausea, heartburn ; indigestion. ...Read more

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Hi. I am currently taking 30ml 4x a day of Pepto bismol for a duration of 14 days; i.e 525ml of the heavy metal med. This is my eighth day, and I have been constipated since day 1. Am I at risk for toxicity if I carry on? Especially due to constipati

Hi. I am currently taking 30ml 4x a day of Pepto bismol for a duration of 14 days; i.e 525ml of the heavy metal med. This is my eighth day, and I have been constipated since day 1. Am I at risk for toxicity if I carry on? Especially due to constipati

Why are you taking: Pepto-Bismol. Pepto is usually used to treat diarrhea and you are constipated. So quit taking it.
For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Drink enough water daily, so that your urine is mostly colorless. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form.
Practice safe sex, if you have sex. ...Read more

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Can pepto bismol (bismuth subsalicylate) make you constipated?

Can pepto bismol (bismuth subsalicylate) make you constipated?

Yes: The commonest side effects from pepto are black stool, black tongue, constipation and - if really overdone - tinnitus (ringing in the ears). Of course you are taking the pepto short-term for soemthing; if you feel the need to continue it for more than 2 weeks you should see your md. ...Read more

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Can pepto bismol (bismuth subsalicylate) cause permanent or temporary tinnitus after a 30ml dose?

Pepto bismol (bismuth subsalicylate): One solitary dose of pepto bismol (bismuth subsalicylate) will not cause tinnitus. This product contains salicylate, so larger continuous doses could lead to tinnitus. ...Read more

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Can C diff cause appendicitis? Does Pepto bismol (bismuth subsalicylate) effect testing of C diff?

Can C diff cause appendicitis? Does Pepto bismol (bismuth subsalicylate) effect testing of C diff?

C Diff: To my knowledge there is no case report of C. Difficile causing acute appendicitis. Taking Pepto-Bismol should not have any effect on testing on the status of Clostridium Difficile infection. ...Read more

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How to stop feeling nausea if caused by gastritis? I took Pepto Bismol (bismuth subsalicylate) and did not work.

How to stop feeling nausea if caused by gastritis? I took Pepto Bismol (bismuth subsalicylate) and did not work.

Options: There are many options to treat your nausea from gastritis. Pepto is one option. You should be on an H2 blocker or a proton pump inhibitor to heal the gastritis. In addition you can try any OTC nausea med. If you have a pcp you can ask for zofran (ondansetron) as needed. ...Read more

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I've read that barium or bismuth (even pepto-bismol) can interfere with bone scan results. Do they tend to cause false positives or false negatives?

I've read that barium or bismuth (even pepto-bismol) can interfere with bone scan results. Do they tend to cause false positives or false negatives?

Barium: If barium has been ingested prior to bone scan it can cause attenuation of photons and thus focally decreased areas of tracer uptake on bone scan. This can give a false representation of tracer distribution. ...Read more

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I have just woken up from hot flashes caused by diahrea. I have taken pepto bismol (bismuth subsalicylate). Is there any other remedies I could use so I can get some sleep?

I have just woken up from hot flashes caused by diahrea. I have taken pepto bismol (bismuth subsalicylate). Is there any other remedies I could use so I can get some sleep?

Sleeping?: Sleeping while having diarrhea can be risky/ messy. The cause of the diarrhea is important to know. Diarrhea alone does not usually cause hot flashes. This may be an infectious diarrhea in which case you need antibiotics. ...Read more

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If you take pepto bismol (bismuth subsalicylate) everyday for a month, can it eventually cause malabsorption and loose/soft stool?

If you take pepto bismol (bismuth subsalicylate) everyday for a month, can it eventually cause malabsorption and loose/soft stool?

Possibly: Overdose of pepto bismol (bismuth subsalicylate) can cause diarrhea. Please hold it and consult with your doctor of why you're taking it everyday and what alternative treatment might help your condition. ...Read more

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Nuclear bone scan: can pepto bismol (bismuth subsalicylate) cause false positive results? False negative results? How likely @ just normal dose pepto (~1000 mg over 2 hours)?

Nuclear bone scan: can pepto bismol (bismuth subsalicylate) cause false positive results? False negative results? How likely @ just normal dose pepto (~1000 mg over 2 hours)?

Yes: Pepto bismol (bismuth subsalicylate) contains bismuth which can block the gamma ray photons which form the bone scan image. As a result bones of the lumbar spine or pelvis can show areas of diminished activity (cold spots) on images acquired from the front (anterior) due to bismuth in the bowel. Routine instructions advise against taking pepto bismol (bismuth subsalicylate) for a week before the bone scan. ...Read more

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Why would pepto bismol (bismuth subsalicylate) hurt my stomach and cause bloating?

Why would pepto bismol (bismuth subsalicylate) hurt my stomach and cause bloating?

Not likely.: It is often given to cure exactly the symptoms you describe. The reason you took it? Could this be the source of your symptoms? ...Read more

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If you take pepto bismol (bismuth subsalicylate) everyday for a month, could it eventually cause. Malabsorption and soft/loose stool?

If you take pepto bismol (bismuth subsalicylate) everyday for a month, could it eventually cause. Malabsorption and soft/loose stool?

Maybe, why do it?: Pepto also has bismuth in it, which should not be taken in excess. If you are self-treating ongoing GI symptoms, should see a Dr for evaluation and treatment recommendation. ...Read more

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I get spasms from IBS causing constipation. Bentyl (dicyclomine) stops that allowing me to poop but it makes me very irritable. Will Pepto Bismol work instead?

Not likely: Pepto bismol (bismuth subsalicylate) is not indicated for abdominal spasms or constipation. If you are having pain with the spasm it may help alleviate that;however, I do not think it will stop the spasms per se. If it does help. ..great! I would be cautious in the amount of Pepto bismol (bismuth subsalicylate) you take as it contains salicylate which can be toxic if taken more than recommended. ...Read more

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Can I take pepcid ac and pepto bismol together?

Can I take pepcid ac and pepto bismol together?

Should be ok if...: If a person had no problems taking Pepcid AC in the recent past for some medical condition, and separately had no problem taking Pepto-Bismol in the recent past, then she should be ok taking the medications at the same time. If worried, she can ask her doctor who prescribed the medications. Sometimes, a brand name (such as Pepto-Bismol) changes its ingredients as the years go by. ...Read more

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Can I have pepto bismol if I'm on citalopram (celexa)?

Can I have pepto bismol if I'm on citalopram (celexa)?

Yes you can: No interactions. Good that you asked always exercise caution with multiple medications especially if you are on anxiolytics/antipsychotics, anticoagulants or antibiotics, best wishes ...Read more

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Is pepto bismol safe to, take with zantac (ranitidine)?

Considered safe: There is generally no evidence of adverse reactions when taking pepto bismol with zantac (ranitidine). Consult with your doctor as always. ...Read more

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Is it better to take pepto-bismol before or after meals?

Before.: One hour to 30m before, so it can protect your stomach. Diluted out after a meal. ...Read more

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Can I take Pepcid (famotidine) and pepto bismol together?

Drug interaction: You certainly can. However, it is possible that, taken too closely, the absorption of Pepcid (famotidine) might be decreased. So, space the dosing interval. ...Read more

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Can I take Zofran (ondansetron) and pepto bismol together?

Can I take Zofran (ondansetron) and pepto bismol together?

Should be fine: The zofran (ondansetron) is for nausea and vomiting and you should wait at least 1/2 hour after using it in the disolvable form before using the pepto ...Read more

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I have pepto-bismol which has been expired since 11/2015 is it still fine to take for nausea?

I have pepto-bismol which has been expired since 11/2015 is it still fine to take for nausea?

Not a problem: The ingredients will be insufficiently changed from that expiration date to make a difference. You can take this and get the desired effect without worry. ...Read more

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Why should patients avoid asa while taking pepto-bismol?

Why should patients avoid asa while taking pepto-bismol?

Similar drugs: The active ingredient in pepto, bismuth subsalicylate, is chemically very similar to Aspirin (acetylsalicylic acid). Taking the two together could increase your risk for side effects like bleeding in your stomach. This is especially true if you have clotting problems like von willibrand factor deficiency. ...Read more

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Is Imodium easier on the stomach than Pepto Bismol, since Pepto contains Salycilates?

Is Imodium easier on the stomach than Pepto Bismol, since Pepto contains Salycilates?

?? -Pepto: Bismuth subsalicylate, sold under the brand name Pepto-Bismol, is an antacid medication used to treat temporary discomforts of the stomach and gastrointestinal tract, such as diarrhea, indigestion, heartburn and nausea. Commonly known as pink bismuth, it is also sometimes the active ingredient in Kaopectate. ...Read more

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Pepto bismol bottle says do not take with ulcer...why?

Salycilate: Pepto contains bismuth subsalycilate. Aspirin is also a salycilate. Because they both have that in them, it was assumed (a long time ago) that it might cause more bleeding, but that has never been proven. Pepto also turns the stool black. Ulcer bleeding can also turn the stool black. So, pepto covers up an important sign of bleeding ulcer complacation. Single use not bad, chronic use not good ...Read more

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Can I take pepto bismol while taking coumadin (warfarin)?

May interfere: Absorption, including some antacids may bind and prevent absorption of Coumadin (warfarin) loose effectiveness, speak to your doctor. ...Read more

Dr. Eric Kaplan
2,510 Doctors shared insights

Constipation (Definition)

Constipation is difficulty passing ...Read more


Dr. Troy Reyna
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Constipation (Child) (Definition)

The difficulty passing stool or infrequent stools. ...Read more