Erythema Migrans/Lyme Disease John T. Crissey (ICD-9 088.81) Symptoms and Signs It is convenient to divide the course and manifestations of Lyme disease (LD) into two stages: early (acute) and…

Drug Eruption Larry E. Millikan (ICD-9 693.0) Symptoms and Signs Symptoms of drug eruption can vary and may include itching, pruritus, burning, or frank skin pain. Symptoms usually correlate with…

Erythema Multiforme Larry E. Millikan (ICD-9 695.1) Symptoms and Signs We must begin with a note on terminology. There is confusion because the term erythema multiforme (EM) describes a spectrum…

Urticaria Larry E. Millikan (ICD-9 708.9) Symptoms and Signs Urticaria is pruritic. The degree of pruritus depends on the amount of swelling. Patients often say they can watch the lesions…

Dermatomyositis Jeffrey P. Callen (ICD-9 710.3) Symptoms and Signs Skin lesions of dermatomyositis (DM) are often pruritic. The characteristic lesions are the heliotrope rash and Gottron’s papules. The heliotrope rash…

Lupus Erythematosus Jeffrey P. Callen (ICD-9 695.4) Signs and Symptoms Cutaneous lupus erythematosus (LE) can be divided into chronic, subacute, and acute forms. Patients may complain of photosensitivity, mildly pruritic…

Seborrheic Dermatitis Larry E. Millikan (ICD-9 609.1) Symptoms and Signs Seborrheic dermatitis (SD) of the face is often pruritic, but only mildly so. Itching of the scalp, however, is a…

Rosacea Larry E. Millikan (ICD-9 695.3) Symptoms and Signs The classic symptom of rosacea is flushing, although this is often lacking. Patients usually complain of a red nose or face….

Perioral Dermatitis Jeffrey P. Callen (ICD-695.3) Signs and Symptoms Although lesions of perioral dermatitis may burn or feel tender, most patients complain about their appearance rather than about specific symptoms….

Acne Vulgaris James C. Shaw (ICD-9 706.1) Symptoms and Signs Acne vulgaris is usually asymptomatic, although the large nodular lesions can be tender. Patients usually present during adolescence with comedones,…