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Published on: 10/27/2026
Pepto-Bismol is generally not recommended for children under 12 because it contains bismuth subsalicylate, a salicylate chemically related to aspirin that has been linked to Reye's syndrome, a rare but life-threatening condition causing brain and liver damage, especially in kids recovering from flu, chickenpox, or other viral illnesses. Age limits, hidden salicylate sources, and safer alternatives for diarrhea or upset stomach all factor into the decision, and there are important exceptions and warning signs to weigh before giving any dose. See below for the complete answer and the details parents should consider.
Because stomach upset in children can signal anything from a passing virus to dehydration or a condition needing prompt care, it helps to understand what you are dealing with before reaching for any medication. Take a free, instant, online symptom check to clarify possible causes and figure out the right next steps.
Last reviewed for medical accuracy: 10/27/2026
Can you give Pepto-Bismol to a child? In general, you should not give regular Pepto-Bismol to a child or teenager without first speaking with a doctor or pharmacist.
The reason is that regular Pepto-Bismol contains bismuth subsalicylate. “Subsalicylate” means it contains a salicylate, a chemical related to aspirin. Salicylates can be helpful in some medicines, but they are not appropriate for every child—especially children or teenagers who have a viral infection.
This does not mean that every child who accidentally receives one dose will develop a serious problem. However, because safer options are usually available for childhood diarrhea and stomach upset, it is important to check before using it.
Pepto-Bismol is an over-the-counter medicine commonly used by adults for:
Regular Pepto-Bismol contains bismuth subsalicylate, which can reduce irritation in the digestive tract and help relieve diarrhea. It is different from products marketed specifically for children, and the names can be confusing.
Some “children’s stomach relief” products contain calcium carbonate or other ingredients rather than bismuth subsalicylate. Always read the active ingredients and age instructions on the exact product. Do not assume that a children’s version is interchangeable with regular Pepto-Bismol.
Salicylates are chemically related to aspirin. Aspirin and aspirin-containing medicines are generally avoided in children and teenagers with certain viral illnesses because of a rare but serious condition called Reye’s syndrome.
Reye’s syndrome can cause sudden problems affecting the brain and liver. It has been associated with children and teenagers recovering from viral infections such as:
The exact cause of Reye’s syndrome is not fully understood, and the condition is rare. Still, the possible connection is serious enough that health authorities and product labels advise against giving salicylate-containing medicines to children or teenagers with flu-like symptoms or chickenpox.
Because bismuth subsalicylate contains a salicylate, regular Pepto-Bismol carries a similar precaution. The product label advises that children and teenagers recovering from chickenpox or flu-like symptoms should not use it because of the risk of Reye’s syndrome.
In the United States, the Pepto-Bismol label generally states that:
The American Academy of Pediatrics and other pediatric health authorities also recommend avoiding aspirin and salicylate-containing medicines in children and teenagers unless specifically directed by a healthcare professional.
For this reason, there is no simple “yes” answer to can you give Pepto-Bismol to a child. The safest answer is: check with a doctor or pharmacist first, and do not give it if your child may have flu, chickenpox, or another viral illness unless a clinician specifically tells you to.
For most children with mild diarrhea, the main treatment is preventing dehydration. A child may lose water and important salts through frequent loose stools or vomiting.
Offer:
Oral rehydration solutions are specially balanced to replace water and electrolytes. Sports drinks, juice, and fizzy drinks are not ideal substitutes because their sugar and salt content may worsen diarrhea or fail to replace electrolytes properly.
Do not routinely give children anti-diarrhea medicines unless a doctor recommends them. Some products can cause side effects or make certain infections worse.
Speak with a healthcare professional before giving any bismuth subsalicylate product if your child:
If your child has accidentally taken Pepto-Bismol, do not panic. Check the product, the amount taken, and the child’s age. Contact a doctor, pharmacist, or poison control service for personalized advice—particularly if the child is very young, took a large amount, or is vomiting, unusually sleepy, confused, or breathing abnormally.
Bismuth products can cause harmless changes in color. Your child’s tongue or stool may temporarily appear grayish or black. This usually goes away after the medicine is stopped.
Other possible side effects include:
Seek urgent medical advice if your child develops ringing in the ears, rapid breathing, severe vomiting, confusion, marked drowsiness, weakness, or unusual behavior after taking a salicylate-containing medicine.
Diarrhea is often caused by a stomach virus and improves with fluids and time. However, children can become dehydrated more quickly than adults. Speak to a doctor if you are concerned about your child, particularly if symptoms are persistent or worsening.
Get urgent medical help if your child has:
Infants, children with chronic medical conditions, and children who appear very unwell should be assessed promptly. If anything could be life-threatening or serious, speak to a doctor or seek emergency care immediately.
If you are unsure whether your child’s symptoms need medical attention, you might consider a free, online symptom check, using the doctor approved Ubie Symptom Checker. It cannot replace an examination, but it may help you organize the symptoms and decide what level of care to seek.
Can you give Pepto-Bismol to a child? Regular Pepto-Bismol contains bismuth subsalicylate, a salicylate related to aspirin. Because of the potential connection between salicylates and Reye’s syndrome, it should not be given to children or teenagers with flu-like symptoms or chickenpox, and children under 12 should only use it after medical advice.
For most childhood diarrhea, focus on oral rehydration and monitoring for dehydration. Check the active ingredients on any product, follow the label carefully, and speak to a doctor or pharmacist before giving Pepto-Bismol to a child.
(References)
* Reye's syndrome and salicylate intoxication. Pediatrics. 1970 Dec;46(6):976-8. PMID: 5496179.
* Rockoff MA, Pascucci RC. Reye's syndrome. Emerg Med Clin North Am. 1983 Apr;1(1):87-100. PMID: 6440775.
* Trauner DA. Reye's syndrome. West J Med. 1984 Aug;141(2):206-9. PMID: 6495727; PMCID: PMC1021738.
* Casteels-Van Daele M, Van Geet C, Wouters C, Eggermont E. Reye's syndrome. Lancet. 2001 Jul 28;358(9278):334. doi: 10.1016/S0140-6736(01)05512-X. PMID: 11501538.
* Andres E. Drug-induced hepatotoxicity. N Engl J Med. 2003 Nov 13;349(20):1974-6; author reply 1974-6. PMID: 14626266.
* Bajracharya BL, Piya A, Manandhar DS. Reye's syndrome. Kathmandu Univ Med J (KUMJ). 2003 Apr-Jun;1(2):138-40. PMID: 16388216.
* Fitzgerald DA. Aspirin and Reye syndrome. Paediatr Drugs. 2007;9(3):205-6. doi: 10.2165/00148581-200709030-00009. PMID: 17523701.
* Aspirin. 2006. PMID: 30000255.
* Salsalate. 2006. PMID: 30000946.
* Choline Magnesium Salicylate. 2006. PMID: 30000947.
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