Cold sores

Introduction Herpes labialis (face herpes) is the most common type of herpes simplex. The cause is infection with herpes simplex virus. It appears that there are hot, itching and flushing in the beginning, and then there are dense integrated groups or groups of needle-sized blisters, which are smaller and more clustered than the original blister, ruptured and eroded, exudate, and gradually dry. Hey, after about 1 to 2 weeks, the local pigmentation can be left behind. The damage occurs at the junction of the skin and mucous membranes, such as the corners of the mouth, the lips and the nostrils, and also occurs in the face and lips. Herpes labialis (face herpes) is the most common type.

Cause

Infected with herpes simplex virus. Herpes labialis is a viral skin disease caused by herpes simplex virus infection. It is also common in normal people. It is mostly due to fever or excessive fatigue at a certain stage, excessive consumption of physical energy, and supply of various nutrients in the body. Insufficient, resulting in decreased immunity. In summer, the temperature is too high, the body's metabolism is accelerated, nutrient consumption is increased, and high temperature often causes loss of appetite and lack of sleep, resulting in lack of nutrients such as protein, vitamins and electrolytes in the body, which reduces immunity. When the patient is fever, the body's resistance is low, the secretion of saliva is reduced during fever, the scouring effect on the oral cavity is weakened, the food residue is easy to remain in the mouth, and it also creates good conditions for the growth and reproduction of microorganisms. When heated, the mouth often becomes a comfortable place for bacterial growth. . At such an opportunity, the virus often takes advantage of it, and it occurs in the skin around the lips, gums, and the like.

an examination

Diagnosis can be based on clinical manifestations.

Herpes labialis often has needle-sized blisters at the mucosa of the lips. It is often a group of two or three groups. It has a mild burning sensation. It can take a week or so to heal itself or recurrent. If the immune system is improperly adjusted after the occurrence of herpes, or if it is secondary to infection after ulceration, it will prolong the course of the disease.

Differential diagnosis

Differential diagnosis of herpes labialis:

Stomatitis: Stomatitis is inflammation of the oral mucosa, which can affect the buccal mucosa, tongue, gums, upper jaw and so on. It is more common in children, especially infants and young children, but it can be secondary to diarrhea, malnutrition, acute infection, chronic illness and other systemic diseases. The main causes of stomatitis are bacteria, viruses and fungi, which are induced by wound infection or decreased systemic resistance.

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