Category Dermatology

Perioral dermatitis

Evidence Levels: A Double-blind study B Clinical trial ≥ 20 subjects C Clinical trial < 20 subjects D Series ≥ 5 subjects E Anecdotal case reports Open full size image Perioral dermatitis is a benign, acneiform, facial eruption of children…

Perforating dermatoses

Evidence Levels: A Double-blind study B Clinical trial ≥ 20 subjects C Clinical trial < 20 subjects D Series ≥ 5 subjects E Anecdotal case reports Open full size image The perforating dermatoses are a varied group of conditions characterized…

Pemphigus

Evidence Levels: A Double-blind study B Clinical trial ≥ 20 subjects C Clinical trial < 20 subjects D Series ≥ 5 subjects E Anecdotal case reports Open full size image Pemphigus is a severe autoimmune blistering disease that affects the…

Pediculosis

Evidence Levels: A Double-blind study B Clinical trial ≥ 20 subjects C Clinical trial < 20 subjects D Series ≥ 5 subjects E Anecdotal case reports Open full size image Lice are wingless, dorsoventrally flattened, blood-sucking insects that are obligate…

Parvovirus infection

Evidence Levels: A Double-blind study B Clinical trial ≥ 20 subjects C Clinical trial < 20 subjects D Series ≥ 5 subjects E Anecdotal case reports Open full size image Infection with human parvovirus B19 (HPB19), a member of the…

Paronychia

Evidence Levels: A Double-blind study B Clinical trial ≥ 20 subjects C Clinical trial < 20 subjects D Series ≥ 5 subjects E Anecdotal case reports Open full size image Paronychia is characterized by inflammation of the proximal and/or lateral…

Parapsoriasis

Evidence Levels: A Double-blind study B Clinical trial ≥ 20 subjects C Clinical trial < 20 subjects D Series ≥ 5 subjects E Anecdotal case reports Open full size image The use of the description parapsoriasis or parapsoriasis en plaque…

Paracoccidioidomycosis

Evidence Levels: A Double-blind study B Clinical trial ≥ 20 subjects C Clinical trial < 20 subjects D Series ≥ 5 subjects E Anecdotal case reports Courtesy of Douglas Altchek, MD Open full size image Paracoccidioidomycosis (PCM) is a chronic,…

Papular urticaria

Evidence Levels: A Double-blind study B Clinical trial ≥ 20 subjects C Clinical trial < 20 subjects D Series ≥ 5 subjects E Anecdotal case reports Open full size image Papular urticaria is a common disease characterized by chronic or…

Panniculitis

Evidence Levels: A Double-blind study B Clinical trial ≥ 20 subjects C Clinical trial < 20 subjects D Series ≥ 5 subjects E Anecdotal case reports Open full size image Panniculitis is a term describing the inflammatory diseases of subcutaneous…