# ATC รหัส C03
ส่วนของ ระบบจำแนกประเภทยาตามการรักษาทางกายวิภาคศาสตร์ (Anatomical Therapeutic Chemical Classification System)

C ระบบหัวใจและหลอดเลือด

 C03A Low-ceiling diuretics, thiazides 
 C03AA Thiazides, plain 
 C03AA01 Bendroflumethiazide
 C03AA02 Hydroflumethiazide
 C03AA03 Hydrochlorothiazide
 C03AA04 Chlorothiazide
 C03AA05 Polythiazide
 C03AA06 Trichlormethiazide
 C03AA07 Cyclopenthiazide
 C03AA08 Methyclothiazide
 C03AA09 Cyclothiazide
 C03AA13 Mebutizide
 C03AB Thiazides and potassium in combination 
 C03AB01 Bendroflumethiazide and potassium
 C03AB02 Hydroflumethiazide and potassium
 C03AB03 Hydrochlorothiazide and potassium
 C03AB04 Chlorothiazide and potassium
 C03AB05 Polythiazide and potassium
 C03AB06 Trichlormethiazide and potassium
 C03AB07 Cyclopenthiazide and potassium
 C03AB08 Methyclothiazide and potassium
 C03AB09 Cyclothiazide and potassium
 C03AH Thiazides, combinations with psycholeptics and/or analgesics 
 C03AH01 Chlorothiazide, combinations
 C03AH02 Hydroflumethiazide, combinations
 C03AX Thiazides, combinations with other drugs 
 C03AX01 Hydrochlorothiazide, combinations

 C03B Low-ceiling diuretics, excluding thiazides 
 C03BA Sulfonamides, plain 
 C03BA02 Quinethazone
 C03BA03 Clopamide
 C03BA04 Chlortalidone
 C03BA05 Mefruside
 C03BA07 Clofenamide
 C03BA08 Metolazone
 C03BA09 Meticrane
 C03BA10 Xipamide
 C03BA11 Indapamide
 C03BA12 Clorexolone
 C03BA13 Fenquizone
 C03BA82 Clorexolone, combinations with psycholeptics
 C03BB Sulfonamides and potassium in combination 
 C03BB02 Quinethazone and potassium
 C03BB03 Clopamide and potassium
 C03BB04 Chlortalidone and potassium
 C03BB05 Mefruside and potassium
 C03BB07 Clofenamide and potassium
 C03BC Mercurial diuretics 
 C03BC01 Mersalyl
 C03BD Xanthine derivatives 
 C03BD01 Theobromine
 C03BK Sulfonamides, combinations with other drugs 
 C03BX Other low-ceiling diuretics 
 C03BX03 Cicletanine

 C03C High-ceiling diuretics 
 C03CA Sulfonamides, plain 
 C03CA01 Furosemide
 C03CA02 Bumetanide
 C03CA03 Piretanide
 C03CA04 Torasemide
 C03CB Sulfonamides and potassium in combination 
 C03CB01 Furosemide and potassium
 C03CB02 Bumetanide and potassium
 C03CC Aryloxyacetic acid derivatives 
 C03CC01 Etacrynic acid
 C03CC02 Tienilic acid
 C03CD Pyrazolone derivatives 
 C03CD01 Muzolimine
 C03CX Other high-ceiling diuretics 
 C03CX01 Etozolin

 C03D Potassium-sparing agents 
 C03DA Aldosterone antagonists 
 C03DA01 Spironolactone
 C03DA02 Potassium canrenoate
 C03DA03 Canrenone
 C03DA04 Eplerenone
 C03DB Other potassium-sparing agents 
 C03DB01 Amiloride
 C03DB02 Triamterene

 C03E Diuretics and potassium-sparing agents in combination 
 C03EA Low-ceiling diuretics and potassium-sparing agents 
 C03EA01 Hydrochlorothiazide and potassium-sparing agents
 C03EA02 Trichlormethiazide and potassium-sparing agents
 C03EA03 Epitizide and potassium-sparing agents
 C03EA04 Altizide and potassium-sparing agents
 C03EA05 Mebutizide and potassium-sparing agents
 C03EA06 Chlortalidone and potassium-sparing agents
 C03EA07 Cyclopenthiazide and potassium-sparing agents
 C03EA12 Metolazone and potassium-sparing agents
 C03EA13 Bendroflumethiazide and potassium-sparing agents
 C03EA14 Butizide and potassium-sparing agents
 C03EB High-ceiling diuretics and potassium-sparing agents 
 C03EB01 Furosemide and potassium-sparing agents
 C03EB02 Bumetanide and potassium-sparing agents