A generalized, itchy, papular 'id reaction' that occurs in response to a primary inflammatory focus elsewhere on the body.
A form of physical urticaria triggered by heat or sweating, with a characteristic eruption of tiny (1-3mm), highly pruritic, monomorphic wheals surrounded by a large erythematous flare.
A pruritic eruption of numerous, uniform, small, follicular papules on the trunk and proximal limbs, primarily in individuals with darker skin.
Sudden crops of small, reddish-yellow papules with an erythematous halo, appearing in patients with very high triglycerides.
A rare condition with a triad of well-demarcated erythema, hyperpigmentation, and follicular papules on the cheeks.
Inflammation of hair follicles, presenting as multiple, small, tender, erythematous papules and pustules centered on hairs.
A very common condition of small, rough, follicular papules ('chicken skin'), often with a central keratotic spine, typically on the upper arms and thighs.
A group of disorders with follicular keratotic papules that are associated with inflammation and subsequent scarring alopecia or atrophy.
Presents as an eruption of myriad, tiny (pinpoint-sized), shiny, flat-topped, skin-colored papules.
A condition with grouped patches of multiple, tiny, follicular papules with a central keratotic spine, feeling like a nutmeg grater.
Follicular hyperkeratosis caused by severe vitamin A deficiency, presenting as horny, spiny papules on the extensor surfaces of the extremities.
