Bismuth Subsalicylate
Bismuth Subsalicylate 30 Tablets Chewable
What is Bismuth Subsalicylate?
Bismuth Subsalicylate is a chewable medication used to help relieve diarrhea, heartburn, and upset stomach. It is suitable for adults and older children, and your healthcare provider will determine the right dose for you.
Side Effects
- Rectal bleeding, blood or mucus in your stools
- Ringing in your ears, or changes in your hearing
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
Warnings
- Tell your doctor if you are pregnant or breastfeeding, or if you have diabetes, gout, arthritis, or bloody or black stools.
- Do not give this medicine to a child or teenager who has chicken pox or symptoms of a virus or the flu, unless your doctor has told you to. This medicine may cause a rare but serious illness called Reye syndrome.
- This medicine can cause diarrhea. Call your doctor if the diarrhea becomes severe, does not stop, or is bloody. Do not take any medicine to stop diarrhea until you have talked to your doctor. Diarrhea can occur 2 months or more after you stop taking this medicine.
- Call your doctor if your symptoms do not improve or if they get worse. If you still have diarrhea after you have been using this medicine for 2 days, stop using it and call your doctor.
- Your tongue or stools may become dark when you use this medicine. This is only temporary and will not hurt you. Ask your doctor about this if you have any concerns.
Prescription savings · · · ·
What is Bismuth Subsalicylate ?
Bismuth Subsalicylate is a chewable medication used to help relieve diarrhea, heartburn, and upset stomach. It is suitable for adults and older children, and your healthcare provider will determine the right dose for you.
- Rectal bleeding, blood or mucus in your stools
- Ringing in your ears, or changes in your hearing
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
- Behavior changes along with nausea and vomiting (in children or teenagers)
- Tell your doctor if you are pregnant or breastfeeding, or if you have diabetes, gout, arthritis, or bloody or black stools.
- Do not give this medicine to a child or teenager who has chicken pox or symptoms of a virus or the flu, unless your doctor has told you to. This medicine may cause a rare but serious illness called Reye syndrome.
- This medicine can cause diarrhea. Call your doctor if the diarrhea becomes severe, does not stop, or is bloody. Do not take any medicine to stop diarrhea until you have talked to your doctor. Diarrhea can occur 2 months or more after you stop taking this medicine.
- Call your doctor if your symptoms do not improve or if they get worse. If you still have diarrhea after you have been using this medicine for 2 days, stop using it and call your doctor.
- Your tongue or stools may become dark when you use this medicine. This is only temporary and will not hurt you. Ask your doctor about this if you have any concerns.
- Keep all medicine out of the reach of children. Never share your medicine with anyone.
Bismuth Subsalicylate Coupons & Prices
Bismuth Subsalicylate 30 Tablets Chewable
Weight-loss medication, prescribed online
Licensed U.S. providers · No insurance needed · Shipped to your door
Looking for a bismuth subsalicylate coupon? Bismuth subsalicylate is the low-cost, over-the-counter medicine best known by the brand names Pepto-Bismol and Kaopectate. It calms diarrhea (including traveler's diarrhea) and eases common upset-stomach symptoms like heartburn, indigestion, nausea, gas, and that too-full feeling. Because it is sold without a prescription, prices swing a lot from one pharmacy to the next, so it pays to compare. Enter your ZIP above to see today's price at pharmacies near you and print or show an Rx.com coupon at the counter.
What is bismuth subsalicylate and how does it work?
Bismuth subsalicylate is an antidiarrheal and stomach-settling agent that belongs to the salicylate family, which means it is chemically related to aspirin. It works in a few ways at once: it coats and soothes the lining of the digestive tract, reduces the amount of fluid the intestines release, and has a mild antibacterial effect that can help with certain stomach bugs. This combination is why it can quiet diarrhea while also helping with nausea, heartburn, indigestion, gas, and belching.
You will find it as a generic (generic is available) and under many brand and store names, including Pepto-Bismol, Kaopectate, Bismatrol, Pink Bismuth, Bismarex, Diotame, and Kao-Tin. It comes as chewable tablets, caplets, and liquids. Doctors also sometimes use it off-label as one part of a multi-drug (quadruple) treatment plan for an H. pylori stomach infection, which should only be done under medical guidance.
How to save on bismuth subsalicylate with an Rx.com coupon
Bismuth subsalicylate is sold over the counter, but that does not mean every store charges the same price, and the generic version is often cheaper than the name brand for the very same active ingredient. Some shoppers also find that an OTC product costs less with a coupon, or when a provider writes it as a prescription, than paying full retail off the shelf.
To find the best deal, enter your ZIP code above to see today's price at pharmacies near you, then bring the free Rx.com coupon to the counter. There is no membership required and no manufacturer copay card involved with this OTC medicine. Because it comes in tablets, caplets, and liquids, it is worth checking the price on each form and on both the brand and generic when you compare.
How it compares to other stomach and heartburn options
Bismuth subsalicylate is a good all-purpose choice because it tackles both diarrhea and upset stomach, but other over-the-counter medicines are more targeted:
- For diarrhea alone: loperamide (Imodium) slows the gut directly and is not a salicylate, which can matter if you cannot take aspirin-related products.
- For heartburn and acid: famotidine (Pepcid) and omeprazole (Prilosec) lower stomach acid, while calcium carbonate (Tums) neutralizes acid quickly for fast, short-term relief.
- Older acid reducer: ranitidine (formerly Zantac) was once widely used for heartburn; talk to a pharmacist about current options.
Which one fits best depends on your main symptom and your other health conditions. A pharmacist can help you pick, and you can compare prices on each of these on Rx.com.
Safety and what to watch for
Bismuth subsalicylate is generally well tolerated, but because it contains a salicylate (aspirin-like ingredient) there are important cautions. Do not give it to children or teenagers who are recovering from the flu or chickenpox, because of the risk of Reye's syndrome, a rare but serious condition. It is not recommended for children under 12 without medical advice. Avoid it if you have an aspirin or salicylate allergy, active stomach bleeding or an ulcer, or a bleeding disorder, and avoid it in late pregnancy.
It can thin the blood, so use caution if you take an anticoagulant like warfarin or other salicylates, and check with your provider if you take certain diabetes medicines, gout drugs, or methotrexate. A temporary darkening of the tongue and black stools is harmless and expected. However, ringing in the ears (tinnitus) can be a warning sign of too much salicylate, so stop taking it and seek advice if that happens. This is general information, not medical advice, so talk with your pharmacist or doctor about what is right for you.
This Bismuth Subsalicylate information was written and reviewed against authoritative U.S. medical sources — MedlinePlus (U.S. National Library of Medicine), DailyMed, and FDA prescribing information — and checked for accuracy. It is provided for education and is not a substitute for professional medical advice.
Verify the official label: Bismuth Subsalicylate on DailyMed (FDA)
Reviewed against FDA labeling · Last reviewed July 2026
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Medical disclaimer: This information is provided for general educational purposes only and is not medical advice. It is not a substitute for professional diagnosis or treatment. Always consult a licensed physician, pharmacist, or other qualified healthcare provider before starting, stopping, or changing any medication or treatment. Never disregard professional medical advice or delay seeking it because of something you read here. If you think you may have a medical emergency, call your doctor or 911 immediately.