The initial symptom of herpes simplex?
summary
Human HSV is a DNA viroid, which can be divided into two subtypes: HSV - Ⅰ and HSV - Ⅱ. HSV - Ⅰ mainly invades the face, brain and above the waist, while HSV - Ⅱ mainly invades the genitals and below the waist. Normal people can be regarded as virus carriers. Human is the only natural host of HSV. 70% - 90% of adults have been infected with HSV - Ⅰ. The initial symptom of herpes simplex? Let's talk about it
The initial symptom of herpes simplex?
Most of them are located at the junction of skin and mucous membrane, especially at lip margin, mouth corner and around nostril. At the beginning, the local skin itches, burns or tingles, and then congestion, red halo, after the emergence of needle or rice size clusters of blisters, the base is slightly red, blisters do not fuse with each other, but multiple clusters of blisters can appear at the same time. The blister wall is thin, the blister fluid is clear, short-term self ulceration, erosion, exudation, 2-10 days later dry scab, after eschar does not leave scar.
Herpes and ulcer appear in oral mucosa, tongue, gingiva, pharynx, can affect the esophagus. The patient had local pain, food refusal and salivation. It may be accompanied by fever and enlargement of submandibular and / or cervical lymph nodes. Children and young people are more common.
Most of them were unilateral, often accompanied with herpes or edema on the affected eyelid and swelling of preauricular lymph nodes. Repeated cases can cause corneal ulcer, opacity, even perforation and blindness. Chorioretinitis can occur in newborns and AIDS patients.
matters needing attention
1. Newborns and those with low immune function, scald and eczema should avoid contact with HSV infection as far as possible. 2. Cesarean section should be performed for pregnant women with genital herpes to avoid infection during delivery.