A localized, painful, fluctuant collection of pus under the skin, appearing as a red, tender nodule.
Characterized by dark, velvety, thickened skin with a papillomatous (warty) texture in the axillary folds, often associated with insulin resistance.
An intensely itchy, red, and weeping eczematous rash with vesicles, corresponding to the area of contact with an allergen like a deodorant.
A genetic disorder presenting as a unique pattern of reticulated (net-like) brown-black hyperpigmentation in the axillae and other flexures.
A bacterial infection causing well-demarcated, reddish-brown patches with fine scale that characteristically fluoresce a coral-red color under a Wood's lamp.
A rare condition of intensely itchy, skin-colored follicular papules in the axillae caused by blockage of apocrine sweat glands.
A chronic inflammatory condition with recurrent, painful, deep-seated nodules, abscesses, sinus tracts, and double-ended comedones in the axilla.
A benign rash in young children that starts unilaterally in the axilla or on the side of the chest as eczematous papules and then may spread.