Clogged sweat pores on the legs just like small black dots may be caused by perifollicular keratosis, which can be relieved by topical medication and oral medication.
Perifollicular keratosis is a chronic follicular keratinizing skin disease, the typical clinical manifestation is a pinpoint to grain-sized follicular papule with light brown keratin plugs at the tip containing curly hairs, which is usually asymptomatic.
The disease usually does not require special treatment, and if necessary, it can be treated with topical medications such as retinoic acid ointment, salicylic acid ointment, and urea cream, which can soften or dissolve the keratin and improve the symptoms. Severe cases can be combined with oral treatment such as vitamin A, vitamin E or retinoids.
Specifically need to go to the hospital, under the guidance of the doctor symptomatic treatment, the use of drugs need to comply with medical advice.