The sudden growth of a pimple above the lip may be caused by herpes simplex, acne, folliculitis, etc. It can be treated by topical medications such as acyclovir ointment, fusidic acid cream, etc., and oral medications such as doxycycline.
1. Herpes simplex: it is a viral skin disease caused by herpes simplex virus, which occurs at the junction of skin and mucous membranes such as lips, perianal area, etc. It is mostly manifested as erythematous blisters, and most of them are self-conscious of pain and discomfort, which can be treated by topical acyclovir ointment and oral acyclovir.
2. Acne: The presence of Propionibacterium acnes infection, excessive sebum secretion, and inflammation may cause acne, which may lead to sudden acne above the lips. It can be treated with topical fusidic acid cream, clindamycin phosphate gel, etc., together with oral antibiotics such as doxycycline.
3. Folliculitis: a bacterial infectious skin disease involving hair follicles and their surrounding tissues, which can be manifested as a sudden pimple on top of the lips with a reddish halo around it. It can be treated with topical fusidic acid cream.
The sudden growth of a pimple above the lips, there may be other reasons, it is recommended to timely to the regular hospital, clear cause, targeted treatment.