In Underarm !!top!! | Blackheads

| Condition | Key Features | Distinction from Blackhead | | :--- | :--- | :--- | | | Velvety, hyperpigmented, thickened skin; no visible plug. | Darkening is flat and diffuse, not a discrete follicular plug. | | Fox-Fordyce Disease | Pruritic, skin-colored papules (apocrine miliaria). | Intensely itchy; lesions are uniform papules, not open plugs. | | Epidermoid Cysts | Deep, subcutaneous nodules that may drain foul cheese-like material. | Larger, deeper, inflamed; blackhead may be present at a central punctum but is not the lesion itself. | | Confluent and Reticulated Papillomatosis (CARP) | Hyperkeratotic papules coalescing into reticular pattern. | Rare; usually on trunk; scaly rather than comedonal. |

Axillary blackheads are a common but often misidentified condition resulting from follicular occlusion exacerbated by shaving, sweating, and occlusive products. Unlike facial blackheads, management requires careful attention to mechanical factors and product selection. First-line therapy involves chemical exfoliation and modification of hair removal practices. For refractory or recurrent cases, topical retinoids or laser hair removal offer high efficacy. Clinicians must maintain a low threshold to differentiate simple comedones from hidradenitis suppurativa to ensure appropriate long-term management. blackheads in underarm