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What Causes Mouth Ulcers in Children?

What Causes Mouth Ulcers in Children?


If your child is experiencing mouth ulcers, there are several possible causes. Among these are the Herpes simplex virus, Reiter’s syndrome, Sarcoidosis, Melkerrson-Rosenthal syndrome, and Reiter’s syndrome.

Read on to learn more. Then, consult your doctor if you suspect the ulcers are caused by any of these conditions. For further information, visit your local pediatrician’s office.

Herpes simplex virus

herpes simplex virus

Herpes simplex is a common viral infection that causes blister-like sores in children.

The virus can be spread from person to person through infected saliva and objects.

People with herpes simplex often have sore mouths, blisters, and sore lips.

A fever can occur before or after the blisters appear. Once the blisters pop, an ulcer may form.

In rare cases, secondary infections may occur. The infection is usually not serious and will eventually clear on its own.

However, children may develop drooling, bad breath, and a reduced appetite.

The pain may be severe enough to cause dehydration and a child should seek medical attention if symptoms persist.

The infection can recur as herpes labialis throughout a child’s life.

In some cases, the virus may persist for years and cause severe damage.

Reiter’s syndrome


reiter's syndrome

Reiter’s syndrome is a chronic inflammatory disease with a largely unknown cause.

In the absence of other medical conditions, it can lead to mouth ulcers.

In addition, children may experience nail changes and other symptoms of reactive arthritis.

Reiter’s syndrome is often accompanied by a variety of other conditions, including Melkerrson-Rosenthal Syndrome.

A physician can diagnose Reiter’s syndrome based on the symptoms of the disease.

There are several causes of aphthous ulcers in children.

These include allergies, nutritional deficiencies, autoinflammation, and genetics.

Moreover, the ulcers in the mouth may be localized or generalized.

Regardless of the cause, a thorough history of the patient is essential.

Listed below are some differential diagnoses for mouth ulcers in children.

You should discuss these conditions with your child’s doctor.




The symptoms of sarcoidosis are similar to those of other diseases such as arthritis, AIDS, and cancer.

To diagnose the condition, your doctor will conduct a series of tests.

Chest X-rays will check for granulomas, while a chest CT scan will take cross-sectional pictures of the chest.

Your child may also undergo a lung function test and biopsy, which is the removal of tissue samples for analysis.

Blood tests may also be ordered to monitor liver and kidney functions.

For a correct diagnosis, a comprehensive history of the patient is important. In addition to determining the cause of the oral lesions, a thorough history will help identify a background autoimmune process or immunosuppression.

If there are other symptoms, the doctor will need to rule out other diseases or look at the local problem. Table 1 summarizes the different types of diseases that may cause mouth ulcers in children.

Melkerrson-Rosenthal syndrome


melkerrson-rosenthal syndrome

Melkersson-Rosenthal syndrome is a rare and recurring disorder that causes recurrent inflammatory conditions of the tongue, face, and throat.

It is also characterized by the presence of fissures or furrows in the tongue.

Symptoms of this disorder may occur alone or in conjunction with other diseases, such as Crohn’s disease or sarcoidosis.

The differential diagnosis of oral ulcers in children is vast. Detailed history and physical examination are essential for accurate diagnosis.

Different types of ulcers are classified according to size and duration, which can provide clues as to the underlying disease.

Different specialists treat children with oral ulcers, and there is no universal recommendation for treatment.

Therefore, the goal of this study is to develop a decision flowchart to help doctors make the right diagnosis for their patients.

Oral thrush


oral thrush

Although the symptoms of oral thrush are not serious, they can be uncomfortable for children.

Symptoms can include swallowing difficulties, weight loss, and pain.

Those with weakened immune systems may be at risk for developing oral thrush, which can last for months or even years.

People with weakened immune systems are particularly susceptible to oral thrush, which can even be life-threatening.

If you are concerned that your child may have oral thrush, you need to keep in mind that infants can develop the infection through breastfeeding, as this is a warm environment.

Babies can also contract the infection from their mothers, which is why you should avoid excessive sweets and pacifier use.

If you suspect your child may be suffering from this condition, seek medical attention immediately.

However, you should not panic – it is not difficult to treat this infection.






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