HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
HealthTap
Telehealth
A member asked:

Can bismuth subsalicylate cause darking of the stools?

A doctor has provided 1 answer

Yes: Common side effect; also darkens the tongue (temporarily!).

Dr Huilgol agreed

Answered 6/1/2012

5.8k views

Thank

Related Questions

A member asked:

I heard that pepto bismol (bismuth subsalicylate) can cause black stool is this true and should you see a doctor for this?

A doctor has provided 1 answer

A member asked:

My i.B.S has been off the charts lately an in the last two weeks when i take pepto bismol (bismuth subsalicylate) it makes my stool black! im also vary sick feeling off a on?

A doctor has provided 1 answer

A member asked:

Does pepto bismol (bismuth subsalicylate) turn your stool black? Does it stink?

A doctor has provided 1 answer

A member asked:

Help, I have black faded stool after pepto bismol (bismuth subsalicylate)? Is this normal?

A doctor has provided 1 answer

A member asked:

I took pepto bismol (bismuth subsalicylate) 2 days ago. How many days should my stool be black?

A doctor has provided 1 answer

Sponsored Content
HealthTap Medical Group does not endorse products or services. Sponsored content revenues support our mission to make health information free and accessible to all.Learn more

People also searched for:

If you take pepto bismol (bismuth subsalicylate) everyday for a month, can it eventually cause malabsorption and loose/soft stool?
My daughter took 2 pepto bismol (bismuth subsalicylate) chewable tablets at about 1130pm Thursday night. Today her stools are black. Could it still be caused by the medicine?
If you take pepto bismol (bismuth subsalicylate) everyday for a month, could it eventually cause. Malabsorption and soft/loose stool?
Could pepto bismol (bismuth subsalicylate) cause black stool 2 days after drinking it?
Can pepto bismol (bismuth subsalicylate) cause me to have black stools as well as constipation?

Telemedicine

Primary Care
Manage Your Conditions
Women's Health
Children's Health
Men's Health
Senior Health
Wellness, Prevention & Lifestyle
Sexual Health
Mental & Behavioral Health
Travel Medicine
Urgent Care
Ask your question
Didn't find what you're looking for?

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.

Ask your question

More of what we treat

Allergies
Antibiotics
Asthma
High Blood Pressure
Prescriptions
Type 2 Diabetes
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.