Definition
The vesicles are elementary lesions characterized by a small cutaneous relief with a cavity containing clear serous or serum-ematic fluid. Their appearance in the skin and mucous membranes of the facial and / or genital area may indicate the presence of a herpes infection.
In particular, the onset of itchy vesicles, gathered in clusters and preceded by burning is typical of herpes simplex. These lesions are formed on an erythematous base, break and become painful ulcers, so they become covered with yellowish crusts.
Among the various manifestations of which it is responsible, also the varicella-zoster virus can cause an eruption with cutaneous redness and vesicles distributed along the course of one or more cranial and intercostal nerves (shingles or shingles).
The appearance of round vesicles in the skin and mucous membranes of the facial and / or genital area is also a symptom of hand-foot-mouth disease, a clinical picture caused by a viral infection that usually affects infants and children. In this case, the vesicles appear - after an incubation of 3-7 days - near the mouth, on the palms of the hands and on the soles of the feet.
The appearance of redness and blisters in the skin and mucous membranes of the facial and / or genital area may also indicate the presence of allergic reactions triggered by contact with some irritating and sensitizing substances, such as detergents, cosmetics or latex.
Blisters can affect both the lips and the genital mucous membranes - The second image is taken from: hsvblog.org/
Possible Causes * Of appearance of roundish vesicles in the skin and mucous membranes of the facial and / or genital area
- Contact allergy
- Epidermolysis bullosa
- Fire of saint Anthony
- Genital herpes
- Herpes simplex
- Hand-foot-and-mouth disease
