The evaluation of rashes in adults begins with a history and physical exam.

Physical findings of rashes in adults may include:

• Red skin
• Blisters
• Hives
• Moist skin
• Pale skin
• Peeling skin
• Brown or yellow scabs on the skin
• Scabs on the skin
• Scales on the skin
• Skin bumps:
• Skin lesion
• Skin abscess
• Skin lumps
• Skin swelling
• Skin tenderness
• Skin redness and pain:
• Cellulitis of the face
• Cellulitis of the ear
• Cellulitis of the arm
• Cellulitis of the hand
• Cellulitis of the leg
• Cellulitis of the foot
• Cellulitis of the abdomen
• Cellulitis of the breast

Tests that may be used to evaluate rashes in adults may include:

• Allergy testing
• Skin biopsy
• Bacterial cultures
• Viral cultures