Variants include plaque, pustular, guttate, and flexural psoriasis. Dermatological effects include cherry angiomas, acneiform, pustular and erythematous rashes. They include pustular, inverse, napkin, guttate, oral, and seborrheic-like forms. There are five main types of psoriasis&colon; plaque, guttate, inverse, pustular, and erythrodermic. Most cases of generalized pustular psoriasis present in patients with existing or prior psoriasis conditions. These create pustular folliculitis and indurated plaques within the dermis. Other conditions that produce similar symptoms include pustular psoriasis and scabies. There have been epidemics of contagious pustular dermatitis. SSSS may be difficult to distinguish from toxic epidermal necrolysis and pustular psoriasis. The initial macular lesions exhibit a papular, then vesicular and pustular appearance. This leads to pustular folliculitis and indurated (thickened) plaques within the skin. This drug is also contraindicated for patients with erythrodermic, exfoliative, or pustular psoriasis. Characteristics may vary according to the subtype of pustular psoriasis. The genital disease causes infectious pustular vulvovaginitis in cows and infectious balanoposthitis in bulls. It's characterized by a triad of symptoms&colon; migratory polyarthritis, tenosynovitis, and dermatitis (pustular skin lesions).