Mouth ulcers in children

Introduction Pediatric mouth ulcers, also known as "rotten corners", are characterized by flushing, blistering, splitting, erosion, crusting, desquamation, etc. The child's mouth is prone to bleeding, and eating and talking are affected. The predisposing factor is usually a cold and dry climate, which will cause the skin mucosa around the lips and mouth to be cracked. The surrounding bacteria will take advantage of it to cause infection. When the lips are dry, people will habitually use the tongue to lick and cause the mouth to crack; if from the diet Reduced intake of vitamins, resulting in the lack of B vitamins in the body, can also lead to the occurrence of vitamin B deficiency keratitis.

Cause

1, mechanical factors

The position of the teeth is not suitable, causing the upper lip to be pressed against the lower lip, and the corners of the mouth are wrinkled, where the mucosa is often in the impregnation.

2, lack of nutrition

Lack of riboflavin, may be accompanied by strawberry-like tongue and scrotum itching. Excessive physical exertion or physical weakness, malnutrition, iron, insufficient protein supply and multiple vitamin deficiency, such as niacin, vitamin B6, etc. can cause this disease.

3, infection

The pathogens are mostly low-toxic pyogenic bacteria or Candida albicans, which are more common in children. Some skin diseases, such as: atopic dermatitis, seborrheic dermatitis; runny disease infiltrating the mouth; biting fingers, bite pens, etc. can also cause the disease.

an examination

Related inspection

Oral endoscopic salivary lysozyme

Ordinary visual examination, oral endoscopy can be used, if necessary, oral mucosal secretion smear laboratory test.

Differential diagnosis

1. Malnutrition angular cheilitis

Malnutrition keratitis often occurs in people with nutritional deficiencies and vitamin B deficiency, and the most common form of keratitis caused by vitamin B deficiency. The performance is bilateral wet and white, erosive or ulcerated, with transverse sulcus, even from the mouth to the oral mucosa or perioral skin, the depth of the sulcus is different, the length is not obvious, the pain is not obvious, the mouth is often painful when stimulated . Often accompanied by dry lips, cracks, occasional scales, slightly swollen lips. The back of the tongue is smooth, the filamentous nipple is atrophied, the edema of the edema is thick and the nipple is scattered, and the tongue edge often has scallops. Also often accompanied by cheilitis, glossitis.

2, cocciic keratitis

Cochlear keratitis is an angular keratitis caused by streptococcal and staphylococcal infections. More common in elderly patients without teeth. It is characterized by bilateral white lips, erosion or ulceration, transverse cracks, and purulent, bleeding, and crusting.

3, fungal keratitis

Fungal angular keratitis is an angular keratitis caused by infection with fungi (mainly Candida albicans). The performance of the bilateral mouth is wet white and white is more obvious, there are erosions or ulcers, there are transverse cracks, there may be suppuration, hemorrhage, crusting, often accompanied by cheilitis and lip erosion. Candida mycelia can be seen by PAS staining.

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