Mouth Ulcers in Children, In 3 Year Old, 5 Year Old, Teething, Home Remedies, Pictures, Treatment

A look at mouth ulcers in children, in 3 year old, 5 year old, teething, home remedies, pictures, treatment

Mouth Ulcers In 3 Year Old

Around 10% of children in the US suffer from mouth ulcers which is recurring.  The mouth is believed to be one of the sensitive parts of the body, when children get mouth ulcers, the discomfort might be irritating.

What are the main causes?

There are several things which can lead to a child having mouth ulcers, but they happen because of the children hurting their mouth, for instance, accidentally biting of their cheek, chew something rough which cuts their mouth, cheek or even the lip on a sharp filling. They might as well also develop due to the fact that they are feeling tired, generally unwell or even run down, or due to wearing of the braces.

It might be some of the children usually have mouth ulcers due to the conditioning running in their family. Their diet can play a very important role also, and there are some of the foods which leads to mouth ulcers, including the below:

  • chocolate
  • peanuts
  • strawberries
  • tomatoes
  • wheat flour

Sometimes, mouth ulcers can keep coming back because of lack of vitamin B12, or even a medical condition like Crohn’s disease, or any other condition where your immune system is highly suppressed.

What are the symptoms?

A mouth ulcer is usually:

  • Painful
  • round in shape
  • white, yellow or red in colour
  • swollen around the edge

Most mouth ulcers usually appear on:

  • inside of lips
  • inside of cheeks
  • floor of mouth
  • under surface of tongue
  • It’s rare to get a mouth ulcer on roof of mouth.


Why Does My Child Have Mouth Ulcers?

The main cause of mouth ulcers after age 5 are;

  • Hand-Foot-Mouth Disease: The most common cause of several mouth ulcers in children. These ulcers are mainly on tongue and also on sides of mouth. Most of the children also have very small deep blisters on palms and also on soles. Due to Coxsackie virus. It is very much common who are between ages 1 to 5 years.
  • Herpes Simplex Virus: The first infection might be severe. It leads to several ulcers on gums, tongue and also the lips. Key findings are additional ulcers around the mouth. Also, fever and difficulty in swallowing is experienced. Usually happens at the age 3. It follows contact with an adult who has active cold sores.
  • Cold Sores: Sores are found outside the mouth on outer lip. They recur about 3 times in a year in a similar place. There are no ulcers found on the inside of mouth. Adult cold sores are the main causes of the infections amongst the young children. Occurs in about 15% of teens and also adults.
  • Mouth Injury: Common mouth injuries are biting of the inside of the cheek. Others might be brought about by a toothbrush. The lining of mouth always appears white when healing. So forgotten injuries appears like a canker sore.
  • Mouth Burns: Hot foods can lead to mouth sores. They also turn white when healing.

5 Year Old with Mouth Ulcers

It is brought about by;

  • Minor injuries to mouth might lead to a child developing a canker sore. Examples are from a rough food. Biting oneself while chewing might also start one.
  • Food allergies might also be a trigger.
  • Vitamin deficiencies might also be a cause. A vitamin deficiency might also happen if your child is a picky eater.
  • Canker sores may be genetic.

Baby Mouth Ulcers Teething

Your child experiences a high fever, is fussy, is drooling, and refusing to eat or drink her favorite juice. These are common symptoms of baby mouth ulcers, teething, and ear infections, but one often overlooked cause of this symptoms is the mouth sores. Here are some tips that can assist you through this bothersome and painful, yet not serious, infection.

  1. Hand, foot and mouth disease – this is one of the most common cause of mouth ulcers in children. It usually affects children ages 6 months to about 3 years. Symptoms are:
    • High fever – usually up to 5 days.
    • Severe fussiness – this is the worst part of the infection.
    • Severe mouth pain
    • Refusal to drink
    • Rash – small, red spots may appear on hands or feet. A red, lacy rash might also appear anywhere on body.
  2. Herpes virus– you should note that this is different from genital herpes. Symptoms are the same as for hand, foot, and mouth disease except that this infection does not lead to spots or even rash on the body. There are two unique points to understand about herpes of mouth:
    • Recurrence – once your child contracts the illness, the virus dwells within the nerves inside the mouth. It flares up during periods of stress, or injury to mouth. It can also lead to cold sores on lips throughout life.
    • Finger sores – usually the virus might spread to the child’s fingertips from chewing on them during an illness. This will lead to very large, white and also red sores and swollen fingertips.
  3. Canker sores– these are a few large white and red sores in mouth which emanates from trauma like biting the tongue or even bumping the lip.

Mouth Ulcer in Child Home Remedies

Mouth ulcers are common and also irritating. These are painful, open sores are normally white in color, thus is surrounded by an inflamed red border. More often than not, appear on the inside of cheeks, lips, under the tongue, and also on floor of mouth.

They can be brought about by several factors such as food triggers, hereditary factors, hormonal changes, accidental cheek bites, and also deficiencies of vitamin B complex, iron, or other nutrients.

Mouth ulcers in children are not serious and also tends to heal within a period of 10 days. Major and herpetiform ulcers, however, take longer period of time to heal. Major ulcers are deeper, and more than 15 mm in diameter. Herpetiform ulcers appear as a large number of the small ulcers.

  1. Licorice Root

Mouth ulcers in children can be cured by use of the licorice root, as the herb forms a protective coating on mucous membranes which resists irritation and soothes the open lesions. It also contains anti-inflammatory as well as the antimicrobial properties.

  1. Soak 1 tablespoon of crushed licorice root in about 2 cups of water for 3 hours.
  2. Guide the child to rinse the mouth rinse several times a day.

You may also give the child deglycyrrhizinated licorice extract available as chewable tablets or guide him to gargle with DGL that is dissolved in warm water.

  1. Coconut Milk

Coconut milk is very beneficial in soothing of the pain of mouth ulcers in children.

  • Mix a little amount of honey in 1 tablespoon of the coconut milk. Massage the affected mouth area with it. Do the process for about four times a day.
  • Alternatively, you may simply rinse your mouth using the fresh coconut milk or even massage coconut oil on affected area.
  1. Sea Salt and Hydrogen Peroxide

Both sea salt as well as the hydrogen peroxide contain anti-inflammatory, antiseptic as well as disinfectant properties. Therefore, you might make use of the ingredients separately or even in an effective combination so as to cure mouth ulcers in children.

  1. Add 2 teaspoons each of sea salt and about 2.5% hydrogen peroxide to 1 glass of warm water. Ensure that you mix it well.
  2. Guide the child to use it as a mouth rinse.
  3. Repeat the process twice a day. Make sure that you do not swallow the solution.
  1. Coriander Seeds

An infusion of the coriander seeds is an Ayurvedic remedy which brings considerable relief and thus reduce inflammation.

  1. Boil 1 teaspoon of the coriander seeds in 1 cup of water. Strain it and then allow it to cool.
  2. Guide the child to swish it around in mouth.
  3. Do the process four times a day.
  1. Baking Soda

Baking soda, also known as the sodium bicarbonate, assists in treatment of the mouth ulcers in children. It is especially helpful for the ulcers that have been brought about by acidic foods as baking soda assists to neutralize acid. It will reduces inflammation and gets rid of the germs and bacteria. Be aware that it might lead to a burning sensation.

  • Mix 1 teaspoon of baking soda with some amount of water so as to make a thin paste. Dab it on the affected mouth area of the child. Repeat the process about 3 times a day.
  • Alternatively, you may simply put some amount of baking soda directly on the child’s mouth ulcer.
  1. Honey

Honey soothes the mouth ulcers in children as it assists in retaining moisture accelerating the healing process. It also contains antioxidant as well as antimicrobial properties.

Simply dip a cotton swab in it and dab it on affected area. You may also use vitamin E oil in a similar way. For mouth sores brought about by radiation therapy, make use of the use manuka honey.

Mouth Ulcers in Children-Pictures

Mouth ulcers in children

Mouth ulcers in children

Mouth ulcers in children

Mouth ulcers in children

Baby Mouth Ulcer Treatment

  • Mouth sores generally disappear within a period of 14 days without any treatment administered to your child.
  • You may do the following at home so as to relieve your child’s symptoms:
    • Give your child over-the-counter medicines, like acetaminophen, so as to treat pain and fever. Do not give ibuprofen to infants below the age of 6 months of age or to a child who is constantly vomiting. Do not give aspirin to any child. This puts your child at risk of a serious illness known as Reye’s syndrome.
    • Cold liquids or frozen juice bars might assist to soothe mouth pain. Avoid giving your child acidic foods.
    • Liquid antacid for about 4 times a day can assist to relieve the pain in children. For children older than age 6, a teaspoon as a mouthwash can be administered after meals. Younger children should have the antacid applied to mouth sore by use of a cotton swab.
  •  Use the below treatments only if the child is over the age of  4:
    • Apply a small amount of OTC numbing gel to mouth ulcers in children so as to relieve pain. The gel can lead to a brief sting when it is applied.
    • Have your child rinse her mouth using saltwater or with the baking soda and warm water, then spit. The mouth rinse should not be swallowed.

Call the doctor if your child has any of the following:

  • A mouth sore that doesn’t go away within a period of about 14 days
  • Increased mouth pain
  • Signs of infection around a mouth sore
  • Signs of dehydration (little urine, excessive thirst, dry mouth)
  • Fever
  • Your child has had a seizure brought about by the fever



  1. When Your Child Has Mouth Sores:
  2. Home Remedies for Mouth Ulcers in Kids:
  3. Home Remedies for Mouth Ulcers:
  4. Mouth Sores:
  5. Blisters on the Tongue When Teething in Infants:
  6. Mouth Ulcers:
  7. In children:


Leave a Comment

Your email address will not be published. Required fields are marked *