| History  | Pruritus, rashes, nonhealing sores, changes in skin, hair or nails, eczema, psoriasis, acne, changes in mole or lesion. | 
| Medication  | - Topical creams, gels, or ointments such as antibiotic, antifungal, anti-inflammatory.
 - Oral medications such as antibiotics, antifungal and antiviral agents, biologics, immunosuppressants, and corticosteroids.
 
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| Appearance  | - Color: Erythema, pallor, jaundice.
 - Bruising, scars, tattoos.
 - Cyanosis: Differentiation between central (lips, conjunctiva) and peripheral (nail beds, extremities) cyanosis.
 - Oral mucosa used for assessing color changes in dark skinned Pts.
 - Sclera used for assessing jaundice in Pts of Asian descent.
 
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