Abstract: This invention is directed to the employment of a specific diuretic, methyclothiazide, in minimal dosage of 2.5 to 5.0 mg. per 48 hour period; preferably every other morning in conjunction with a daily dosage of an antibiotic tetracycline, in minimal dosage of 250 mg.daily; and, the unique method of treatment and administering these compounds.Acne vulgaris is divided into grades. This discovery is for the unique treatment and control of acne vulgaris grades 1, 11/2 and usually 2.