Closed mouth usually refers to closed acne, and its itching can be caused by combined infection, allergy, excessive sebaceous gland secretion and other factors.
1. Combined infection: when closed acne is combined with bacterial and follicular worm infections, it can trigger a local immune response, leading to itching and discomfort in the closed mouth.
2. Allergy: such as contact dermatitis, contact with allergic substances in the external environment, consumption of allergic food or use of allergic substances, the skin can undergo an allergic reaction, resulting in itching and stinging of closed pimples.
3. Excessive sebaceous gland secretion: the high temperature of the environment, or long-term strenuous exercise sweating more, can cause sebaceous gland secretion, the hair follicles accumulate more sebum, resulting in pore clogging and expansion, which can appear itching, pain symptoms.
Itchy closed mouth should be early medical treatment, under the guidance of specialists to actively carry out appropriate treatment, help early relief of uncomfortable symptoms.