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  AHFS Classification 
 

AHFS Pharmacologic-Therapeutic Classification©

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0:01 - Front Matter

4:00 - Antihistamine Drugs

4:04 - First Generation Antihistamines

        4:04.04 - Ethanolamine Derivatives

        4:04.08 - Ethylenediamine Derivatives

        4:04.12 - Phenothiazine Derivatives

        4:04.16 - Piperazine Derivatives

        4:04.20 - Propylamine Derivatives

        4:04.92 - Miscellaneous Derivatives

4:08 - Second Generation Antihistamines

4:92 - Other Antihistamines*

8:00 - Anti-infective Agents

8:08 - Anthelmintics

8:12 - Antibacterials

        8:12.02 - Aminoglycosides

        8:12.06 - Cephalosporins

                8:12.06.04 - First Generation Cephalosporins

                8:12.06.08 - Second Generation Cephalosporins

                8:12.06.12 - Third Generation Cephalosporins

                8:12.06.16 - Fourth Generation Cephalosporins

        8:12.07 - Miscellaneous β-Lactams

                8:12.07.04 - Carbacephems

                8:12.07.08 - Carbapenems

                8:12.07.12 - Cephamycins

                8:12.07.16 - Monobactams

        8:12.08 - Chloramphenicol

        8:12.12 - Macrolides

                8:12.12.04 - Erythromycins

                8:12.12.12 - Ketolides

                8:12.12.92 - Other Macrolides

        8:12.16 - Penicillins

                8:12.16.04 - Natural Penicillins

                8:12.16.08 - Aminopenicillins

                8:12.16.12 - Penicillinase-resistant Penicillins

                8:12.16.16 - Extended-spectrum Penicillins

        8:12.18 - Quinolones

        8:12.20 - Sulfonamides

        8:12.24 - Tetracyclines

                8:12.24.12 - Glycylcyclines

        8:12.28 - Antibacterials, Miscellaneous

                8:12.28.04 - Aminocyclitols

                8:12.28.08 - Bacitracins

                8:12.28.12 - Cyclic Lipopeptides

                8:12.28.16 - Glycopeptides

                8:12.28.20 - Lincomycins

                8:12.28.24 - Oxazolidinones

                8:12.28.28 - Polymyxins

                8:12.28.30 - Rifamycins

                8:12.28.32 - Streptogramins

                8:12.28.92 - Other Miscellaneous Antibacterials*

8:14 - Antifungals

        8:14.04 - Allylamines

        8:14.08 - Azoles

        8:14.16 - Echinocandins

        8:14.28 - Polyenes

        8:14.32 - Pyrimidines

        8:14.92 - Antifungals, Miscellaneous

8:16 - Antimycobacterials

        8:16.04 - Antituberculosis Agents

        8:16.92 - Antimycobacterials, Miscellaneous

8:18 - Antivirals

        8:18.04 - Adamantanes

        8:18.08 - Antiretrovirals

                8:18.08.04 - HIV Fusion Inhibitors

                8:18.08.08 - HIV Protease Inhibitors

                8:18.08.12 - Integrase Inhibitors

                8:18.08.16 - Nonnucleoside Reverse Transcriptase Inhibitors

                8:18.08.20 - Nucleoside and Nucleotide Reverse Transcriptase Inhibitors

                8:18.08.92 - Antiretrovirals, Miscellaneous*

        8:18.20 - Interferons

        8:18.24 - Monoclonal Antibodies

        8:18.28 - Neuraminidase Inhibitors

        8:18.32 - Nucleosides and Nucleotides

        8:18.92 - Antivirals, Miscellaneous

8:30 - Antiprotozoals

        8:30.04 - Amebicides

        8:30.08 - Antimalarials

        8:30.92 - Antiprotozoals, Miscellaneous

8:36 - Urinary Anti-infectives

8:92 - Anti-infectives, Miscellaneous

10:00 - Antineoplastic Agents

12:00 - Autonomic Drugs

12:04 - Parasympathomimetic (Cholinergic) Agents

12:08 - Anticholinergic Agents

        12:08.04 - Antiparkinsonian Agents*

        12:08.08 - Antimuscarinics/Antispasmodics

12:12 - Sympathomimetic (Adrenergic) Agents

        12:12.04 - α-Adrenergic Agonists

        12:12.08 - β-Adrenergic Agonists

                12:12.08.04 - Non-selective β-Adrenergic Agonists

                12:12.08.08 - Selective β1-Adrenergic Agonists

                12:12.08.12 - Selective β2-Adrenergic Agonists

        12:12.12 - α- and β-Adrenergic Agonists

12:16 - Sympatholytic (Adrenergic Blocking) Agents

12:20 - Skeletal Muscle Relaxants

        12:20.04 - Centrally Acting Skeletal Muscle Relaxants

        12:20.08 - Direct-acting Skeletal Muscle Relaxants

        12:20.12 - GABA-derivative Skeletal Muscle Relaxants

        12:20.20 - Neuromuscular Blocking Agents

        12:20.92 - Skeletal Muscle Relaxants, Miscellaneous

12:92 - Autonomic Drugs, Miscellaneous

16:00 - Blood Derivatives

20:00 - Blood Formation, Coagulation, and Thrombosis

20:04 - Antianemia Drugs

        20:04.04 - Iron Preparations

        20:04.08 - Liver and Stomach Preparations*

20:12 - Antithrombotic Agents

        20:12.04 - Anticoagulants

                20:12.04.08 - Coumarin Derivatives

                20:12.04.12 - Direct Thrombin Inhibitors

                20:12.04.16 - Heparins

                20:12.04.92 - Anticoagulants, Miscellaneous

20:12.18 - Platelet-Aggregation Inhibitors

20:12.20 - Thrombolytic Agents

20:16 - Hematopoietic Agents

20:24 - Hemorrheologic Agents

20:28 - Antihemorrhagic Agents

        20:28.08 - Antiheparin Agents

        20:28.16 - Hemostatics

24:00 - Cardiovascular Drugs

24:04 - Cardiac Drugs

        24:04.04 - Antiarrhythmic Agents

                24:04.04.04 - Class Ia Antiarrhythmics

                24:04.04.08 - Class Ib Antiarrhythmics

                24:04.04.12 - Class Ic Antiarrhythmics

                24:04.04.16 - Class II Antiarrhythmics*

                24:04.04.20 - Class III Antiarrhythmics

                24:04.04.24 - Class IV Antiarrhythmics

                24:04.04.92 - Antiarrhythmics, Miscellaneous*

        24:04.08 - Cardiotonic Agents

        24:04.92 - Cardiac Drugs, Miscellaneous

24:06 - Antilipemic Agents

        24:06.04 - Bile Acid Sequestrants

        24:06.05 - Cholesterol Absorption Inhibitors

        24:06.06 - Fibric Acid Derivatives

        24:06.08 - HMG-CoA Reductase Inhibitors

        24:06.92 - Antilipemic Agents, Miscellaneous

24:08 - Hypotensive Agents

        24:08.04 - α-Adrenergic Blocking Agents*

        24:08.08 - β-Adrenergic Blocking Agents*

        24:08.12 - Calcium-Channel Blocking Agents*

                24:08.12.08 - Dihydropyridines*

                24:08.12.92 - Calcium-Channel Blocking Agents, Miscellaneous*

        24:08.16 - Central α-Agonists

        24:08.20 - Direct Vasodilators

        24:08.24 - Diuretics*

                24:08.24.04 - Carbonic Anhydrase Inhibitors*

                24:08.24.08 - Loop Diuretics*

                24:08.24.12 - Osmotic Diuretics*

                24:08.24.16 - Potassium-sparing Diuretics*

                24:08.24.20 - Thiazide Diuretics*

                24:08.24.24 - Thiazide-like Diuretics*

                24:08.24.92 - Diuretics, Miscellaneous*

        24:08.32 - Peripheral Adrenergic Inhibitors

        24:08.44 - Renin-Angiotensin-Aldosterone System Inhibitors*

                24:08.44.04 - Angiotensin-Converting Enzyme Inhibitors*

                24:08.44.08 - Angiotensin II Receptor Antagonists*

                24:08.44.20 - Mineralocorticoid (Aldosterone) Receptor Antagonists*

        24:08.92 - Hypotensive Agents, Miscellaneous*

24:12 - Vasodilating Agents

        24:12.08 - Nitrates and Nitrites

        24:12.12 - Phosphodiesterase Inhibitors

        24:12.92 - Vasodilating Agents, Miscellaneous

24:16 - Sclerosing Agents

24:20 - α-Adrenergic Blocking Agents

24:24 - β-Adrenergic Blocking Agents

24:28 - Calcium-Channel Blocking Agents

        24:28.08 - Dihydropyridines

        24:28.92 - Calcium-Channel Blocking Agents, Miscellaneous

24:32 - Renin-Angiotensin-Aldosterone System Inhibitors

        24:32.04 - Angiotensin-Converting Enzyme Inhibitors

        24:32.08 - Angiotensin II Receptor Antagonists

        24:32.20 - Mineralocorticoid (Aldosterone) Receptor Antagonists

        24:32.40 - Renin Inhibitors

28:00 - Central Nervous System Agents

28:04 - General Anesthetics

        28:04.04 - Barbiturates

        28:04.16 - Inhalation Anesthetics*

        28:04.92 - General Anesthetics, Miscellaneous

28:08 - Analgesics and Antipyretics

        28:08.04 - Nonsteroidal Anti-inflammatory Agents

                28:08.04.08 - Cyclooxygenase-2 (COX-2) Inhibitors

                28:08.04.24 - Salicylates

                28:08.04.92 - Other Nonsteroidal Anti-inflammatory Agents

        28:08.08 - Opiate Agonists

        28:08.12 - Opiate Partial Agonists

        28:08.92 - Analgesics and Antipyretics, Miscellaneous

28:10 - Opiate Antagonists

28:12 - Anticonvulsants

        28:12.04 - Barbiturates

        28:12.08 - Benzodiazepines

        28:12.12 - Hydantoins

        28:12.16 - Oxazolidinediones*

        28:12.20 - Succinimides

        28:12.92 - Anticonvulsants, Miscellaneous

28:16 - Psychotherapeutic Agents

        28:16.04 - Antidepressants

                28:16.04.12 - Monoamine Oxidase Inhibitors

                28:16.04.16 - Selective Serotonin- and Norepinephrine-reuptake Inhibitors

                28:16.04.20 - Selective-serotonin Reuptake Inhibitors

                28:16.04.24 - Serotonin Modulators

                28:16.04.28 - Tricyclics and Other Norepinephrine-reuptake Inhibitors

                28:16.04.92 - Antidepressants, M iscellaneous

        28:16.08 - Antipsychotics

                28:16.08.04 - Atypical Antipsychotics

                28:16.08.08 - Butyrophenones

                28:16.08.24 - Phenothiazines

                28:16.08.32 - Thioxanthenes

                28:16.08.92 - Antipsychotics, Miscellaneous

        28:16.92 - Psychotherapeutic Agents, Miscellaneous*

28:20 - Anorexigenic Agents and Respiratory and Cerebral Stimulants

        28:20.04 - Amphetamines

        28:20.92 - Anorexigenic Agents and Respiratory and Cerebral Stimulants, Miscellaneous

28:24 - Anxiolytics, Sedatives, and Hypnotics

        28:24.04 - Barbiturates

        28:24.08 - Benzodiazepines

        28:24.92 - Anxiolytics, Sedatives, and Hypnotics; Miscellaneous

28:28 - Antimanic Agents

28:32 - Antimigraine Agents

        28:32.28 - Selective Serotonin Agonists

        28:32.92 - Antimigraine Agents, Miscellaneous*

28:36 - Antiparkinsonian Agents

        28:36.04 - Adamantanes

        28:36.08 - Anticholinergic Agents

        28:36.12 - Catechol-O-Methyltransferase (COMT) Inhibitors

        28:36.16 - Dopamine Precursors

        28:36.20 - Dopamine Receptor Agonists

                28:36.20.04 - Ergot-derivative Dopamine Receptor Agonists

                28:36.20.08 - Nonergot-derivative Dopamine Receptor Agonists

        28:36.32 - Monoamine Oxidase B Inhibitors

28:92 - Central Nervous System Agents, Miscellaneous

32:00 - Contraceptives (foams, devices)*

34:00 - Dental Agents*

36:00 - Diagnostic Agents

36:04 - Adrenocortical Insufficiency§

36:08 - Amyloidosis*

36:10 - Appendicitis*

36:12 - Blood Volume*

36:16 - Brucellosis*

36:18 - Cardiac Function*

36:24 - Circulation Time*

36:26 - Diabetes Mellitus*

36:28 - Diphtheria*

36:30 - Drug Hypersensitivity§

36:32 - Fungi§

36:34 - Gallbladder Function§

36:36 - Gastric Function*

36:38 - Intestinal Absorption§

36:40 - Kidney Function§

36:44 - Liver Function§

36:48 - Lymphogranuloma Venereum*

36:52 - Mumps§

36:56 - Myasthenia Gravis§

36:58 - Ocular Disorders*

36:60 - Thyroid Function*

36:61 - Pancreatic Function§

36:62 - Phenylketonuria*

36:64 - Pheochromocytoma*

36:66 - Pituitary Function§

36:68 - Roentgenography*

36:72 - Scarlet Fever*

36:76 - Sweating*

36:80 - Trichinosis*

36:84 - Tuberculosis

36:88 - Urine and Feces Contents*

        36:88.12 - Ketones*

        36:88.20 - Occult Blood*

        36:88.24 - pH*

        36:88.28 - Protein*

        36:88.40 - Sugar*

38:00 - Disinfectants (for agents used on objects other than skin)*

40:00 - Electrolytic, Caloric, and Water Balance

40:04 - Acidifying Agents

40:08 - Alkalinizing Agents

40:10 - Ammonia Detoxicants

40:12 - Replacement Preparations

40:18 - Ion-removing Agents

        40:18.16 - Sodium-removing Agents*

        40:18.17 - Calcium-removing Agents

        40:18.18 - Potassium-removing Agents

        40:18.19 - Phosphate-removing Agents

        40:18.92 - Other Ion-removing Agents

40:20 - Caloric Agents

40:24 - Salt and Sugar Substitutes*

40:28 - Diuretics

        40:28.04 - Carbonic Anhydrase Inhibitors*

        40:28.08 - Loop Diuretics

        40:28.12 - Osmotic Diuretics

        40:28.16 - Potassium-sparing Diuretics

        40:28.20 - Thiazide Diuretics

        40:28.24 - Thiazide-like Diuretics

        40:28.92 - Diuretics, Miscellaneous

40:36 - Irrigating Solutions§

40:40 - Uricosuric Agents

44:00 - Enzymes§

48:00 - Respiratory Tract Agents

48:04 - Antihistamines

        48:04.04 - First Generation Antihistamines*

        48:04.08 - Second Generation Antihistamines*

48:08 - Antitussives

48:10 - Anti-inflammatory Agents

        48:10.08 - Corticosteroids*

                48:10.08.04 - Nasal Preparations*

                48:10.08.08 - Orally Inhaled Preparations*

        48:10.24 - Leukotriene Modifiers

        48:10.32 - Mast-cell Stabilizers

48:12 - Bronchodilators*

        48:12.04 - Adrenergic Agents*

                48:12.04.08 - Non-selective β-Adrenergic Agonists*

                48:12.04.12 - Selective β2-Adrenergic Agonists*

                48:12.04.16 - α- and β-Adrenergic Agonists*

        48:12.08 - Anticholinergic Agents*

        48:12.12 - Xanthine Derivatives*

48:16 - Expectorants

48:24 - Mucolytic Agents*

48:36 - Pulmonary Surfactants§

48:48 - Vasodilating Agents*

48:92 - Respiratory Agents, Miscellaneous

52:00 - Eye, Ear, Nose, and Throat (EENT) Preparations

52:02 - Antiallergic Agents

52:04 - Anti-infectives

        52:04.04 - Antibacterials

        52:04.16 - Antifungals

        52:04.20 - Antivirals

        52:04.92 - Anti-infectives, Miscellaneous

52:08 - Anti-inflammatory Agents

        52:08.08 - Corticosteroids

        52:08.20 - Nonsteroidal Anti-inflammatory Agents

        52:08.92 - Anti-inflammatory Agents, Miscellaneous

52:12 - Contact Lens Solutions*

52:16 - Local Anesthetics

52:24 - Mydriatics

52:28 - Mouthwashes and Gargles

52:32 - Vasoconstrictors

52:40 - Antiglaucoma Agents

        52:40.04 - α-Adrenergic Agonists

        52:40.08 - β-Adrenergic Agents

        52:40.12 - Carbonic Anhydrase Inhibitors

        52:40.20 - Miotics

        52:40.24 - Osmotic Agents*

        52:40.28 - Prostaglandin Analogs

        52:40.92 - Antiglaucoma Agents, Miscellaneous*

52:92 - EENT Drugs, Miscellaneous

56:00 - Gastrointestinal Drugs

56:04 - Antacids and Adsorbents

56:08 - Antidiarrhea Agents

56:10 - Antiflatulents

56:12 - Cathartics and Laxatives

56:14 - Cholelitholytic Agents*

56:16 - Digestants

56:20 - Emetics

56:22 - Antiemetics

        56:22.08 - Antihistamines

        56:22.20 - 5-HT3 Receptor Antagonists

        56:22.92 - Antiemetics, Miscellaneous

56:24 - Lipotropic Agents*

56:28 - Antiulcer Agents and Acid Suppressants

        56:28.12 - Histamine H2-Antagonists

        56:28.28 - Prostaglandins

        56:28.32 - Protectants

        56:28.36 - Proton-pump Inhibitors

56:32 - Prokinetic Agents§

56:36 - Anti-inflammatory Agents

56:92 - GI Drugs, Miscellaneous

60:00 - Gold Compounds§

64:00 - Heavy Metal Antagonists§

68:00 - Hormones and Synthetic Substitutes

68:04 - Adrenals

68:08 - Androgens

68:12 - Contraceptives

68:16 - Estrogens and Antiestrogens

        68:16.04 - Estrogens

        68:16.12 - Estrogen Agonists-Antagonists

68:18 - Gonadotropins

68:20 - Antidiabetic Agents

        68:20.02 - α-Glucosidase Inhibitors

        68:20.03 - Amylinomimetics

        68:20.04 - Biguanides

        68:20.05 - Dipeptidyl Peptidase IV (DDP-4) Inhibitors

        68:20.06 - Incretin Mimetics

        68:20.08 - Insulins

        68:20.16 - Meglitinides

        68:20.20 - Sulfonylureas

        68:20.28 - Thiazolidinediones

        68:20.92 - Antidiabetic Agents, Miscellaneous*

68:22 - Antihypoglycemic Agents

        68:22.12 - Glycogenolytic Agents

        68:22.92 - Antihypoglycemic Agents, Miscellaneous*

68:24 - Parathyroid

68:28 - Pituitary

68:30 - Somatotropin Agonists and Antagonists

        68:30.04 - Somatotropin Agonists

        68:30.08 - Somatotropin Antagonists

68:32 - Progestins

68:34 - Other Corpus Luteum Hormones*

68:36 - Thyroid and Antithyroid Agents

        68:36.04 - Thyroid Agents

        68:36.08 - Antithyroid Agents

72:00 - Local Anesthetics

76:00 - Oxytocics

78:00 - Radioactive Agents*

80:00 - Serums, Toxoids, and Vaccines

80:04 - Serums

80:08 - Toxoids

80:12 - Vaccines

84:00 - Skin and Mucous Membrane Agents

84:04 - Anti-infectives

        84:04.04 - Antibacterials

        84:04.06 - Antivirals

        84:04.08 - Antifungals

                84:04.08.04 - Allylamines

                84:04.08.08 - Azoles

                84:04.08.12 - Benzylamines

                84:04.08.16 - Echinocandins*

                84:04.08.20 - Hydroxypyridones

                84:04.08.28 - Polyenes

                84:04.08.32 - Pyrimidines*

                84:04.08.40 - Thiocarbamates

                84:04.08.92 - Antifungals, M iscellaneous

        84:04.12 - Scabicides and Pediculicides

        84:04.92 - Local Anti-infectives, Miscellaneous

84:06 - Anti-inflammatory Agents

84:08 - Antipruritics and Local Anesthetics

84:12 - Astringents

84:16 - Cell Stimulants and Proliferants

84:20 - Detergents§

84:24 - Emollients, Demulcents, and Protectants§

        84:24.04 - Basic Lotions and Liniments*

        84:24.08 - Basic Oils and Other Solvents*

        84:24.12 - Basic Ointments and Protectants*

        84:24.16 - Basic Powders and Demulcents*

84:28 - Keratolytic Agents

84:32 - Keratoplastic Agents

84:50 - Depigmenting and Pigmenting Agents§

        84:50.04 - Depigmenting Agents§

        84:50.06 - Pigmenting Agents§

84:80 - Sunscreen Agents§

84:92 - Skin and Mucous Membrane Agents, Miscellaneous

86:00 - Smooth Muscle Relaxants

86:08 - Gastrointestinal Smooth Muscle Relaxants

86:12 - Genitourinary Smooth Muscle Relaxants

86:16 - Respiratory Smooth Muscle Relaxants

88:00 - Vitamins

88:04 - Vitamin A§

88:08 - Vitamin B Complex§

88:12 - Vitamin C§

88:16 - Vitamin D§

88:20 - Vitamin E§

88:24 - Vitamin K Activity

88:28 - Multivitamin Preparations§

92:00 - Miscellaneous Therapeutic Agents

- Alcohol Deterrents

- 5-α-Reductase Inhibitors

- Antidotes

- Antigout Agents

- Antiparkinsonian Agents

- Biologic Response Modifiers

- Bone Resorption Inhibitors

- Cariostatic Agents§

- Complement Inhibitors

- Disease-Modifying Antirheumatic Agents

- Gonadotropin-releasing Hormone Antagonists

- Immunosuppressive Agents

- Protective Agents

- Other Miscellaneous Therapeutic Agents

94:00 - Devices*

96:00 - Pharmaceutical Aids*

* Category is currently not in use in the printed version of AHFS Drug Information®.

§ Omitted from the print version of AHFS Drug Information because of space limitations. Copies of these monographs are available on the AHFS Drug Information web site, http://www.ahfsdruginformation.com. See the Preface for details on accessing this site.

© Copyright 1959–2008, American Society of Health-System Pharmacists, Inc.

Selected Revisions January 2008, © Copyright, January 1959, American Society of Health-System Pharmacists, Inc. 7272 Wisconsin Avenue, Bethesda, MD 20814.

ASHP