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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
– Do not use when infectious organisms are present.
– Allergies are possible. Plantar Wart on Heel
Plantar Treatment of Acne
• 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
– 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
– teratogenic (now requires patient consent forms)
– effective in some patients with severe disease
– many side effects commonly seen. Use with caution. Treatment of Acne
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.
- Spring '14