| G - Genito Urinary System and Sex Hormones |  |   |  
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| G04 - Urologicals |  Antiseptic and antiinfective preparations for systemic use specifically used in urinary tract infections, see J01. Antiinfectives for systemic use, see group J. Gynecological antiinfectives and antiseptics, see G01. 
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| G04C - Drugs Used in Benign Prostatic Hypertrophy |  |   |  
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| G04CA - Alpha-Adrenoreceptor Antagonists |  Alfuzosin and terazosin used in the management of urinary obstruction caused by benign prostatic hypertrophy, are classified here, while other alpha-adrenoreceptor blocking agents used both in the management of urinary obstruction and hypertension (e.g. doxazosin) are classified in C02CA. 
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