Page 1238 - Saunders Comprehensive Review For NCLEX-RN
P. 1238

axilla, or genitalia, because the
                                                                medication is readily absorbable,
                                                                making the skin vulnerable to
                                                                glucocorticoid-induced atrophy
                                             2. Tazarotene
                                                             a. Is a vitamin A derivative
                                                             b. Local reactions include itching,
                                                                burning, stinging, dry skin, and
                                                                redness; other, less common effects
                                                                include rash, desquamation, contact
                                                                dermatitis, inflammation, fissuring,
                                                                and bleeding.
                                                             c. Sensitization to sunlight can occur, and
                                                                the client should be instructed to use
                                                                sunscreen and wear protective
                                                                clothing.
                                                             d. Medication is usually applied once
                                                                daily in the evening to dry skin.
                                             3. Calcipotriene
                                                             a. Is an analog of vitamin D
                                                             b. May take up to 1 to 3 weeks to produce
                                                                a desired effect
                                                             c. Can cause local irritation; high-dose
                                                                applications rarely have caused
                                                                hypercalcemia.
                                             4. Coal tar
                                                             a. Suppresses DNA synthesis, miotic
                                                                activity, and cell proliferation
                                                             b. Has an unpleasant odor and may cause
                                                                irritation, burning, and stinging; can
                                                                also stain the skin and hair and
                                                                increase sensitivity to sun
                                                             c. May increase risk for cancer
                                                                development in high doses
                                             5. Keratolytics
                                                             a. Soften scales and loosen the horny layer
                                                                of the skin, resulting in minimal
                                                                peeling to extensive desquamation

                                                                    b. Salicylic acid: Can be absorbed

                                                                systemically and can cause salicylism,
                                                                which is characterized by dizziness
                                                                and tinnitus, hyperpnea, and
                                                                psychological disturbances; salicylic
                                                                acid is not applied to large surface
                                                                areas or open wounds because of the
                                                                risk of systemic effects.
                                                             c. Sulfur: Promotes peeling and drying


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