Bismuth Subsalicylate

Medically Reviewed by Dr. Harshi Dhingra, M.D.

Last Reviewed: Oct 09, 2023

Common Questions


Common Questions about Bismuth Subsalicylate


Is bismuth subsalicylate an antacid?

Bismuth subsalicylate is not an antacid. It is an antidiarrheal agent that also has anti-inflammatory properties. However, it can provide relief from gastrointestinal discomfort (heartburn) caused by indigestion (overindulgence) in foods and drinks.



Which is better for diarrhea: bismuth subsalicylate (Pepto-Bismol) or loperamide (Imodium A-D)?

Both bismuth subsalicylate and loperamide are over-the-counter anti-diarrhea medications. However, bismuth subsalicylate can treat other symptoms in addition to diarrhea, such as indigestion, heartburn, nausea, gas, bloating, and belching.



Why did my tongue and stool turn black on bismuth subsalicylate?

Bismuth subsalicylate can make your tongue and stool turn black due to the formation of other bismuth salts in the body, such as bismuth sulfide. This is not harmful and usually goes away in a few days after you stop taking the medicine.



Is it safe to take bismuth subsalicylate daily?

It is safe to take bismuth subsalicylate for up to 2 days. If your diarrhea is not better after 48 hours, you should stop taking this medicine and call your doctor. Also, call your doctor if you have a fever or mucus in your stool. You may need to take antimicrobial agents (for example, antibiotics).



Is bismuth subsalicylate safe during pregnancy?

It is unclear whether bismuth subsalicylate is safe during pregnancy. Always check with your healthcare provider before taking any medication, including over-the-counter medications, if you are pregnant or breast feeding.



What is the price of bismuth subsalicylate without insurance?

Without insurance, bismuth subsalicylate can be as high as $26.09, but with a free BuzzRx prescription discount coupon, you could pay as low as $10.46 for the most common version of this medication. Use the BuzzRx drug price look-up tool to find the lowest discounted price, and be sure to enter the correct dosage, form, and quantity for the most accurate pricing. While generics tend to have the best savings, you can also use your BuzzRx card and coupons to purchase brand-name versions. It never hurts to ask your pharmacist to try BuzzRx when filling or refilling any of your prescription drugs—whether you have insurance or not.



What is the price of bismuth subsalicylate with insurance?

Ask your pharmacist or insurance provider for your copay price on bismuth subsalicylate—Copay amounts vary depending on the type of insurance plan you have and if there is a deductible to reach before prescription drug coverage begins.

You could save up to 80% on your prescription medication with a free BuzzRx discount coupon for bismuth subsalicylate. When using the BuzzRx lookup tool to find the price of your medicine, be sure to enter the correct dosage, form, and quantity to receive the most accurate discounted pricing. It never hurts to ask your pharmacist to try BuzzRx when filling or refilling any of your prescriptions—whether you have insurance or not.