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Mouth Ulcers In Babies: Causes, Symptoms, Treatment And Home Remedies

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A mouth ulcer is a small painful sore seen on the inside of the lips and cheeks, on the tongue, the floor of the mouth, or on the palate (1). Mouth ulcers could make babies cranky and might cause irritation while feeding.  Ulcers might be painful, but the condition is seldom serious.

But what causes mouth ulcers in babies, and how can parents identify one? Keep reading this MomJunction post to learn about the symptoms, causes, treatment, and prevention of mouth ulcers in babies and toddlers.

How To Identify Mouth Ulcers?

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 Mouth ulcers in babies exhibit the following typical symptoms (2).

  • A lesion or a sore with well-defined boundaries.
  • The center of the lesion is likely to be yellow or gray when compared to the surrounding tissue.
  • The ulcer may have a red outline.
  • A mouth ulcer is often tender to touch.
  • There could be redness on the ulcer, and it might occasionally bleed.
  • Babies could exhibit excessive drooling due to an ulcer.

The baby or toddler might have reduced appetite as it would hurt whenever they try to eat and drink.

If you have a doubt about the presence of ulcers in your baby’s mouth, see a pediatrician for an examination.

What Causes Mouth Ulcers In Babies And Toddlers?

Mouth ulcers in babies and toddlers may be caused due to various reasons. Here are a few of the common reasons (1).

  1. Herpes simplex virus (cold sore virus): These ulcers are usually seen in the age group of one to three years. Clusters of up to ten or more ulcers occur together on gums, tongue, and lips. Ulcers are also seen around lips and mouth. They are often accompanied by fever and difficulty in swallowing (1).  Read more about herpes simplex virus infection here.
  1. Canker sores: A type of ulcer commonly seen in babies and toddlers, they are also known as aphthous ulcers or aphthous stomatitis (3). There are a variety of reasons to cause this type of sores. Read more about canker sores here.
  1. Oral thrush: The candidal infection of the oral cavity may cause white-colored ulcers on the inner lips, gums, palate, and tongue (4). Read more about oral thrush here.
  1. Inflammatory bowel diseases: It is a group of chronic inflammatory diseases of the intestine. Oral ulcers are among the several symptoms of the disease (5).
  1. Local injury: Traumatic ulcers could also happen due to an injury from objects like a toothbrush, teether, toy, etc.
  1. Allergic reactions: Allergies to foods might also lead to the development of mouth ulcers. Food allergies are more likely to be a cause among toddlers than in babies.
  1. Hematinic (blood-related) deficiencies: Deficiency of iron, folate, vitamin B12, vitamin B6, and some other micronutrients in the body (6) (7) could result in ulcers.
  1. Malabsorption of nutrients: Malabsorption refers to decreased intestinal absorption of vital nutrients. Poor malabsorption could lead to nutritional deficiencies, which could eventually lead to mouth ulcers.
  1. Immune system disorders: Problems with the immune system, like immunodeficiency and autoimmunity, might also cause mouth ulcers.
  1. Family history: Babies and toddlers with a family history of canker sores are at a higher risk of developing the sores (1).

Does Teething Cause Mouth Ulcers In Babies?

Teething usually causes swollen gums rather than ulcers. But teething might cause ulcers if the baby bites the inside of the cheek or lips to soothe the irritated gums. The ulcer is likely to go away if the baby is given teethers, and when the teething is completed. 

Home Remedies For Mouth Ulcers In Babies And Toddlers

Mouth ulcers are usually not serious and may be treated at home. Undermentioned are some of the anecdotal home remedies that have been in use for years. However, never try any home remedy for babies below the age of six months.

If your baby is older than six months and you wish to use a home remedy, then consult a doctor. Below are some of the common home remedies used for mouth ulcers.

  1. Turmeric: As turmeric is known to possess anti-inflammatory, antiseptic, and antibacterial properties, it is believed to be useful in giving relief from ulcers.
  1. Coconut oil: Lauric acid in coconut is said to be effective in healing mouth ulcers. However, its efficacy and safety in babies is under-researched (8).
  1. Yogurt: Yogurt and buttermilk soothe the ulcers and provide relief to the baby.
  1. Holy basil: Holy basil is said to be effective in healing mouth ulcers (9).
  1. Ghee: Ghee (clarified butter) has been traditionally used in India for providing relief from ulcers.
  1. Honey: Honey has soothing properties. But do not give honey to babies below the age of 12 months since it may cause botulism (10).
  1. Aloe vera: The pulp and the juice of aloe vera might be helpful in soothing the irritated tissue. However, do not use it without talking to a pediatrician.

Ulcers heal in a few days and are usually not a reason to worry.

When To Go To The Doctor?

If you see any of these symptoms along with ulcers, contact your pediatrician (11).

  • Fever
  • Recurrent ulcers
  • Ulcers that worsen and don’t heal for more than two weeks
  • Weight loss
  • Stomach pain
  • Ulcers around buttocks (along with mouth ulcers)
  • Ulcers seen on outer lips too
  • Swelling of the face or lymph node (sides of the neck)

Treatment For Mouth Ulcers In Babies And Toddlers

Treatment depends on the severity of the ulcers, age of the baby, and the general health of the baby. The doctor may prescribe one of the following treatment methods (12).

  • Application of topical ointments containing local anesthetic agents to alleviate the symptoms.
  • Medicines like acetaminophen or ibuprofen to help with the pain.
  • Mouthwashes might be advised for toddlers to help with the ulcers.
  • If the ulcers occurred due to viral infections like herpes simplex virus, the doctor might suggest an antiviral medication in some severe cases and in immunodeficient patient.

Never give any medication, including over-the-counter drugs, to a baby or a toddler without consulting a doctor.

What To Feed A Baby With Mouth Ulcers?

Food is likely to irritate mouth ulcers, thus making the baby cranky while also reducing their appetite. Below are some options of feeding a baby.

  1. If your baby is below the age of six months, continue to give them breast milk or/ and formula. These are safe and are easy on the mouth.
  1. If your baby has trouble bottle-feeding, you may spoon-feed the baby expressed breast milk and formula.
  1. If your baby already consumes solid food, then include semi-solid food and food with a liquid consistency. You can feed broth and purees that do not require chewing. Offer a straw to the toddler if they cannot sip due to pain.
  1. Soft food, like boiled vegetables, mashed potatoes, and cereals with formula or milk are good option
  1. Eating cold food like milkshakes, popsicles, and slushes can help soothe the irritation of mouth ulcers in toddlers.
  1. Avoid offering salty, spicy, and tangy food that might sting and hurt a mouth ulcer.

How To Reduce The Risk Of Mouth Ulcers?

Ulcers cannot always be avoided. However, observing a few precautions might help reduce the risk of developing ulcers.

  • Maintain proper hygiene, especially oral hygiene. Family members with mouth ulcers and sores on the body should avoid contact with the baby.
  • Avoid recurrent trauma from a toy, teether, or a toothbrush.
  • If your baby is known to have allergies or a chronic illness, then managing them will help avoid ulcers.
  • Feed the baby a wholesome diet.

Mouth ulcers are common and tend to go away on their own. If you suspect something wrong with a sore in your baby’s mouth, then do not hesitate to see a doctor. Timely diagnosis and treatment can help determine the exact cause.

Have something to share about mouth ulcers in babies and toddlers? Let us know your thoughts in the comment section below.

References:

1. Mouth Ulcers; Children’s Hospital Colorado
2. Michael C. Plewa and Kingshuk Chatterjee, Aphthous Stomatitis; National Center for Biotechnology Information
3. Natalie Rose Edgar, Dahlia Saleh, and Richard A. Miller, Recurrent Aphthous Stomatitis: A Review; The Journal of Clinical and Aesthetic Dermatology
4. Jose Endrigo Tinoco-Araujo et al., Invasive candidiasis and oral manifestations in premature newborns; The Journal of Einstein (Sao Paulo)
5. Michael D. Kappelman, and Richard J. Grand, Does Inflammatory Bowel Disease Develop in Infants?; U.S. National Library of Medicine
6. Zhe-Xuan Bao et al, Hematinic deficiencies in patients with recurrent aphthous stomatitis: variations by gender and age; U.S. National Library of Medicine
7. Scott T. Kozlak, Stephen J. Walsh, and Rajesh V. Lalla, Reduced dietary intake of vitamin B12 and folate in patients with recurrent aphthous stomatitis; U.S. National Library of Medicine
8. Vagish Kumar and L. Shanbhag, Oil pulling for maintaining oral hygiene – A review; U.S. National Library of Medicine
9. Marc Maurice Cohen, Tulsi – Ocimum sanctum: A herb for all reasons; U.S. National Library of Medicine
10. C O Abdulla et al., Infant botulism following honey ingestion; U.S. National Library of Medicine
11. Mouth Ulcers; St. Louis Children’s Hospital
12. Canker Sores (Aphthous Ulcers) in Children; University of Rochester Medical Center

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