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Evaluation of a therapeutic strategy for the treatment of acne vulgaris with conventional therapy

Four hundred and twenty patients with moderate to severe acne vulgaris were treated with oral erythromycin and topical benzoyl peroxide to determine the optimum dose regimes. Our results show that the response was significantly less in patients with a greater severity of acne, with truncal acne and in those with a higher sebum excretion rate. There was a significantly better clinical result in patients given ig erythromycin daily than in those given 0.5 g daily (plus topical therapy in both groups). The relapse rate on stopping antibiotics is also significantly less in patients given i g daily and this dosage did not produce any increase in side effects. We suggest that any patient requiring oral antibiotics should initially be given i g daily of erythromycin (or tetracycline) for up to six months, plus topical therapy.