These inflamed papules or pustules can form especially if the area becomes infected. If papules and pustules persist, then sometimes isotretinoin can be prescribed. As a result, the prisoners developed inflammatory pustules and papules. Erythema, pruritus, and even inflamed nodules, verrucose papules, or granulomas may present. Typically, clusters of superficial nodules or papules are described. They manifest as hypopigmented skin lesions (such as macules, papules, nodules), or facial redness. Urushiol causes an eczematous contact dermatitis characterized by redness, swelling, papules, vesicles, blisters, and streaking. Ulcerated hemangiomas can present as black crusted papules or plaques, or painful erosions or ulcers. Guttate psoriasis is characterized by numerous small, scaly, red or pink, droplet-like lesions (papules). Janeway lesions present as red, painless macules and papules on the palms and soles. In its aggravated state, it may evolve into a pustule or papules. The lesions may be flat (macules), raised (papules), or solid elevated areas (nodular). It has been theorized that pearly penile papules stimulate the female vagina during sexual intercourse. Miliaria profunda is characterised by non-pruritic, flesh-coloured, deep-seated, whitish papules. The herniation results in small bumps called piezogenic pedal papules or piezogenic papules.