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Follicular skin diseases

Topical therapy key points test

Select the most suitable single topical agent for treating acne from the following list: * Clindamycin * Metronidazole gel *! Benzoyl peroxide lotion * Betamethasone valerate cream Explanation: Topical agents to treat acne include benzoyl peroxide, azelaic acid, salicylic acid, resorcinol and retinoids (all peeling agents). Topical antibiotics are often prescribed for inflammatory lesions but should be used in combination with a keratolytic agent to reduce bacterial resistance. Which of the following statements are true about topical acne treatment? * It should be applied accurately to individual lesions twice daily *! It may result in dryness, irritant and allergic contact dermatitis * Benzoyl peroxide should not be prescribed in pregnancy * Topical antiseptics result in bacterial resistance Explanation: Topical agents to treat acne include benzoyl peroxide, azelaic acid, salicylic acid, resorcinol and retinoids (all peeling agents). Topical antibiotics are often prescribed for inflammatory lesions but should be used in combination with a keratolytic agent to reduce bacterial resistance. Effects of topical acne treatment may include: #! Keratolysis # Comedogenesis #! Antibacterial #! Anti-inflammatory Explanation: Effective topical acne treatments may be keratolytic, comedolytic, antibacterial and anti-inflammatory.