Dense holes on the body may be caused by diseases such as acne, peri keratosis pilaris, and erythematous furuncle.
1. Acne: When acne is severe, it may leave depressed scarring, which can be in the form of ice-pick-like scarring, carriage-like scarring, crushed scarring, and the color can be red, black, brown, and other colors; in addition, acne patients may also have symptoms of pimples, which may leave small holes when they are squeezed out.
2. Perifollicular keratosis: It may be a chronic follicular keratosis skin disease due to heredity, vitamin A deficiency, etc. It develops in childhood, worsens during puberty, and gradually relieves in adulthood, manifesting itself as a follicular papule of the size of a needle tip to a grain of millet, with keratin plugs at the tip, and small funnel-shaped depressions like holes can be left when the keratin plugs are peeled off.
3. Hairy erythematous chaff rash: a rare chronic scaly inflammatory skin disease, can be manifested as scaly erythema and small follicular keratinized papules, papules will have a sharp keratin plug at the tip of the small embolus, the small embolus off may lead to the formation of densely packed holes.
Dense holes on the body may also be caused by other diseases, it is recommended that patients seek timely medical attention in order to clarify the cause of the disease, targeted treatment.