more for blackheads than whiteheads in the first few

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Unformatted text preview: al use. – Not systemically absorbed to any great extent. – May cause dilation of capillaries, skin atrophy, and decreased skin pigmentation. – Do not use when infectious organisms are present. – Allergies are possible. Plantar Wart on Heel Plantar Treatment of Acne Treatment Topical drugs • Tretinoin (retinoic acid; Vitamin A acid, Retin-A®, etc.) – more for blackheads than whiteheads – in the first few weeks, small blackheads may be converted to pustules so patients should prepare for temporary worsening which is usually followed by clearing – skin is more susceptible to sunburn and ultraviolet light; sunscreens should be used – possibility exists that tretinoin might accelerate carcinogenic effect of ultraviolet radiation • Benzoyl peroxide (Pan Oxyl®; Desquam-X®, etc.) – more for whiteheads than blackheads • Both Tretinoin and Benzoyl peroxide may be used concurrently in more severe cases. • Topical antibiotics are sometimes prescribed as well. – Clindamycin, erythromycin, and are common examples. Treatment of Acne Treatment Systemic drugs • – – – – often must be continued months or years can get gastric upset and vaginitis, skin, fungal infections decreases effectiveness of oral contraceptives Contraindicated in pregnancy (Category D) • Erythromycins may be used instead of – often must be continued months or years – can get gastric upset and vaginitis, skin, fungal infections – Can be used with caution in pregnancy (Categories B & C) • Oral contraceptives - estrogens suppress sebum production – sometimes 3 months or more before effect is seen • Oral 13 - Cisretinoic acid (Acutane®) - inhibits sebum production – teratogenic (now requires patient consent forms) – effective in some patients with severe disease – many side effects commonly seen. Use with caution. Treatment of Acne Treatment Agents not to use • Oral Zinc – Not proven effective in double blind studies – Can cause G.I. bleeding – Beginning to reconsid...
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This document was uploaded on 02/07/2014.

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