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A Comprehensive Generic Drug Naming Resource

Copyright © DrugPatentWatch. Originally published at A Comprehensive Generic Drug Naming Resource

Deciphering generic drug names using the World Health Organization international nonproprietary names system

Drugs have several types of names, as described in How are drugs named.

Briefly, a drug’s tradename (E.g. Advil, Nexium, or Herceptin) is owned by a specific company and describes that company’s version of the drug (just as Coca Cola and Pepsi are tradenames for cola products). The ‘generic’ name for a drug (Advil’s generic name is ibuprophen; Nexium is esomeprazole, and; Herceptin is trastuzumab).

The generic names for drugs are essential, because they provide standardization, making it possible to easily identify a drug which may be sold by many different brand names, or branded medicines which contain more than one drug. Generic names stem from a global standard, which has been coordinated by the World Health Organization (WHO) since 1953.

The names issued by the WHO are called international nonproprietary names (INNs), and they are issued in English, Latin, French, Russian, Spanish, Arabic, and Chinese. While the roots of the INNs are often similar between languages there tend to be subtle spelling or pronunciation differences. For example the English INN paracetamol is paracetamolum in latin, paracétamol in French, and парацетамол in Russian.

Each drug’s has a unique INN is, but the composition of the INN is designed so that similar drug INNS contain common word stems. For example, the -profen in ibuprofen indicates “anti-inflammatory agents,” the -prazole in esomeprazole indicates “antiulcer, benzimidazole derivatives,” and the -mab in trastuzumab indicates that the drug is a monoclonal antibody.

The table below presents a list of generic INN drug name stems used by the WHO.

A comprehensive list of generic INN drug naming stems

-abine (see -arabine and -citabine) arabinofuranosyl derivatives; nucleosides antiviral or antineoplastic agents, cytarabine or azacitidine derivatives
-ac anti-inflammatory agents, ibufenac derivatives
-acetam (see -racetam) amide type nootrope agents, piracetam derivatives
-actide synthetic polypeptide with a corticotropin-like action
-adol/-adol- analgesics
-adom analgesics, tifluadom derivatives
-afenone antiarrhythmics, propafenone derivatives
-afil inhibitors of phosphodiesterase PDE5 with vasodilator action
-aj- antiarrhythmics, ajmaline derivatives
-al aldehydes
-aldrate antacids, aluminium salts
-alol (see -olol) aromatic ring related to –olols
-alox (see -ox) antacids, aluminium derivatives
-amivir (see vir) neuraminidase inhibitors
-ampanel antagonists of the ionotropic non-NMDA (N-methyl-D-aspartate) glutamate receptors (Namely the AMPA (amino-hydroxymethyl-isoxazole-propionic acid) and/or KA (kainite antagonist) receptors)
andr steroids, androgens
-anib angiogenesis inhibitors
-anserin serotonin receptor antagonists (mostly 5-HT2)
-antel anthelminthics
-antrone antineoplastics; anthraquinone derivatives
-apine (see -pine) tricyclic compounds
-apt- aptamers, classical and mirror ones
-(ar)abine arabinofuranosyl derivatives
-arit antiarthritic substances, acting like clobuzarit and lobenzarit, (mechanism different from anti-inflammatory type substances, e.g. -fenamates or – profens)
-arol anticoagulants, dicoumarol derivatives
-arotene arotinoid derivatives
arte- antimalarial agents, artemisinin related compounds
-ase enzymes
-ast antiasthmatics or antiallergics, not acting primarily as antihistaminics
-astine antihistaminics
-asvir (see –vir) antivirals, Hepatitis C Virus (HCV) NS5A inhibitors
-azam (see -azepam) diazepam derivatives
-azenil benzodiazepine receptor antagonists/agonists (benzodiazepine derivatives)
-azepam diazepam derivatives
-azepide cholecystokinin receptor antagonists, benzodiazepine derivatives
-azocine narcotic antagonists/agonists related to 6,7-benzomorphan
-azolam (see -azepam) diazepam derivatives
-azoline antihistaminics or local vasoconstrictors, antazoline derivatives
-azone (see -buzone) anti-inflammatory analgesics, phenylbutazone derivatives
-azosin antihypertensive substances, prazosin derivatives
-bacept (see -cept) B-cell activating factor receptors
-bactam β-lactamase inhibitors
-bamate tranquillizers, propanediol and pentanediol derivatives
barb hypnotics, barbituric acid derivatives
-begron β3-adrenoreceptor agonists
-benakin (see -kin) interleukin-1 analogues and derivatives
-bendan (see -dan) cardiac stimulants, pimobendan derivatives
-bendazole anthelminthics, tiabendazole derivatives
-bercept (see -cept) target: VEGF receptors
-bermin (see -ermin) vascular endothelial growth factors
-bersat anticonvulsants, benzoylamino-benzpyran derivatives
-betasol (see pred) prednisone and prednisolone derivatives
bol anabolic steroids
-bradine bradycardic agents
-brate (see -fibrate) clofibrate derivatives
-bufen non-steroidal anti-inflammatory agents, arylbutanoic acid derivatives
-bulin antineoplastics; mitotic inhibitor, tubulin binder
-butazone (see -buzone) anti-inflammatory analgesics, phenylbutazone derivatives
-buvir (see vir) RNA polymerase (NS5B) inhibitors
-buzone anti-inflammatory analgesics, phenylbutazone derivatives
-caine local anaesthetics
-cain- class I antiarrhythmics, procainamide and lidocaine derivatives
calci vitamin D analogues/derivatives
-capone catechol-O-methyltransferase (COMT) inhibitors
carbef antibiotics, carbacephem derivatives
-carnil (see -azenil) benzodiazepine receptor antagonists/agonists (carboline derivatives)
-castat (see -stat) dopamine-hydroxylase inhibitors
-cavir (see vir) carbocyclic nucleosides
cef- antibiotics, cefalosporanic acid derivatives
cell-/cel- cellulose derivatives
-cel cell therapy products
cell-ate (see cell-/cel-) cellulose ester derivatives for substances containing acidic residues
-cellose (see cell-/cel-) cellulose ether derivatives
-cept receptor molecules, native or modified (a preceding infix should designate the target)
-cic hepatoprotective substances with a carboxylic acid group
-ciclib cyclin dependant kinase inhibitors
-ciclovir (see vir) antivirals, bicyclic heterocycles compounds
-cidin naturally occurring antibiotics (undefined group)
-ciguat guanylate cyclase activators and stimulators
-cillide (see -cillin) antibiotics, 6-aminopenicillanic acid derivatives
-cillin antibiotics, 6-aminopenicillanic acid derivatives
-cillinam (see -cillin) santibiotics, 6-aminopenicillanic acid derivatives
-cilpine (see -pine) tricyclic compounds
-cisteine (see -steine) mucolytics, other than bromhexine derivatives
-citabine nucleosides antiviral or antineoplastic agents, cytarabine or azacitidine derivatives
-citinib (see –tinib) Janus kinase inhibitors, antineoplastics
-clidine/-clidinium muscarinic receptor agonists/antagonists
-clone hypnotic tranquillizers
-cocept (see -cept) complement receptors
-cog blood coagulation factors
-cogin blood coagulation cascade inhibitors
-conazole systemic antifungal agents, miconazole derivatives
cort corticosteroids, except prednisolone derivatives
-coxib selective cyclo-oxygenase inhibitors
-crinat diuretics, etacrynic acid derivatives
-crine acridine derivatives
-cromil antiallergics, cromoglicic acid derivatives
-curium (see -ium) curare-like substances
-cycline antibiotics, protein-synthesis inhibitors, tetracycline derivatives
-dan cardiac stimulants, pimobendan derivatives
-dapsone antimycobacterials, diaminodiphenylsulfone derivatives
-decakin (see -kin) interleukin-10 analogues and derivatives
-degib SMO receptor antagonists
-denoson adenosine A receptor agonists
-dermin (see -ermin) epidermal growth factors
-dil vasodilators
-dilol (see -dil) vasodilators
-dipine calcium channel blockers, nifedipine derivatives
-dismase (see -ase) enzymes with superoxide dismutase activity, see -ase item V
-distim (see -stim) combination of two different types of colony stimulating factors
-dodekin (see -kin) interleukin-12 analogues and derivatives
-dopa dopamine receptor agonists, dopamine derivatives, used as antiparkinsonism/prolactin inhibitors
-dox (see -ox/-alox) antibacterials, quinazoline dioxide derivatives
-dotin synthetic derivatives of dolastatin series
-dotril (see –tril/trilat) endopeptidase inhibitors
-dox (see –ox/-alox) antacisa, aluminium derivatives (see also -aldrate)
-dralazine antihypertensives, hydrazinephthalazine derivatives
-drine sympathomimetics
-dronic acid calcium metabolism regulator, pharmaceutical aid
-dutant (see -tant) neurokinin NK2 receptor antagonist
-dyl (see -dil) vasodilators
-ectin antiparasitics, ivermectin derivatives
-elestat (see -stat) elastase inhibitors
-elvekin (see -kin) interleukin-11 analogues and derivatives
-emcinal erythromycin derivatives lacking antibiotic activity, motilin agonists
-enicokin (see -kin) interleukin-21 human analogues and derivatives
-entan endothelin receptor antagonists
(-)eptacog (see -cog) blood coagulation VII
erg ergot alkaloid derivatives
-eridine analgesics, pethidine derivatives
-ermin growth factors
estr estrogens
-etanide (see -anide) diuretics, piretanide derivatives
-ethidine (see -eridine) analgesics, pethidine derivatives
-exakin (see -kin) interleukin-6 analogues and derivatives
-exine mucolytic, bromhexine derivatives
-farcept (see -cept) subgroup of interferon receptors
-fenamate (see -fenamic acid) “fenamic acid” derivatives
-fenacin muscarinic receptor antagonists
-fenamic acid anti-inflammatory, anthranilic acid derivatives
-fenin diagnostic aids; (phenylcarbamoyl)methyl iminodiacetic acid derivatives
-fenine analgesics, glafenine derivatives (subgroup of fenamic acid group)
-fensine norepinephrine, serotonin, dopamine reuptake inhibitors
-fentanil opioid receptor agonists, analgesics, fentanyl derivatives
-fentrine inhibitors of phosphodiesterases
-fermin (see -ermin) fibroblast growth factors
-fiban fibrinogen receptor antagonists (glycoprotein IIb/IIIa receptor antagonists)
-fibrate clofibrate derivatives
-filermin (see -ermin) leukemia-inhibiting factor
-flapon 5-lipoxygenase-activating protein (FLAP) inhibitor
-flurane halogenated compounds used as general inhalation anaesthetics
-formin antihyperglycaemics, phenformin derivatives
fos insecticides, anthelminthics, pesticides etc., phosphorous derivatives
-fosfamide (see -fos) alkylating agents of the cyclophosphamide group
-fosine (see -fos) cytostatic
-fovir (see vir) phosphonic acid derivatives
-fradil calcium channel blockers acting as vasodilators
-frine (see -drine) sympathomimetic, phenethyl derivatives
-fungin antifungal antibiotics
-fylline N-methylated xanthine derivatives
gab gabamimetic agents
gado- diagnostic agents, gadolinium derivatives
-gatran thrombin inhibitor, antithrombotic agent
-gene gene therapy products
gest steroids, progestogens
-gestr- (see estr) estrogens
-giline monoamine oxydase (MAO)-inhibitors type B
-gillin antibiotics produced by Aspergillus strains
gli antihyperglycaemics
-gliflozin (see gli) sodium glucose co-transporter inhibitors, phlorizin derivatives
-gliptin (see gli) dipeptidyl aminopeptidase–IV inhibitors
-glitazar (see gli) peroxisome proliferator activating receptor-γ (PPAR-γ) agonists
-glitazone (see gli) peroxisome proliferator activating receptor-γ (PPAR-γ) agonists, thiazolidinedione derivatives
-glumide cholecystokinin (CCK) antagonists, antiulcer, anxiolytic agent
-glurant metabotropic glutamate receptor antagonists / negative allosteric modulators
-glutide (see -tide) Glucagon-Like Peptide (GLP) analogues
-golide dopamine receptor agonists, ergoline derivatives
-gosivir (see vir) glucoside inhibitors
-gramostim (see -stim) granulocyte macrophage colony stimulating factor (GM-CSF) types substances
-grastim (see -stim) granulocyte colony stimulating factor (G-CSF) type substances
-grel-/-grel platelet aggregation inhibitors
guan- antihypertensives, guanidine derivatives
-ibine (see -ribine) ribofuranyl-derivatives of the “pyrazofurin” type
-icam anti-inflammatory, isoxicam derivatives
-ifene antiestrogens or estrogen receptor modulators, clomifene and tamoxifen derivatives
-igetide (see -tide) peptides and glycopeptides
-ilide class III antiarrhythmics, sematilide derivatives
imex immunostimulants
-imibe antihyperlipidaemics, acyl CoA: cholesterol acyltransferase (ACAT) inhibitors
-imod immunomodulators, both stimulant/suppressive and stimulant
-imus immunosuppressants (other than antineoplastics)
-ine alkaloids and organic bases
-inostat (see stat) histone deacetylase inhibitors
io- iodine-containing contrast media
iod-/-io- iodine-containing compounds other than contrast media
-irudin thrombin inhibitors, hirudin derivatives
-isant histamine H3 receptor antagonists
-isomide class I antiarrhythmics, disopyramide derivatives
-ium quaternary ammonium compounds
-izine (-yzine) diphenylmethyl piperazine derivatives
-kacin antibiotics, kanamycin and bekanamycin derivatives (obtained from Streptomyces kanamyceticus)
-kalant potassium channel blockers
-kalim potassium channel activators, antihypertensive
-kef- enkephalin agonists
-kin interleukin type substances
-ki(n)- (see -mab) target: interleukin
-kinra (see -kin) interleukin receptor antagonists
-kiren renin inhibitors
-lefacept (see -cept) lymphocyte function-associated antigen 3 receptors
-leukin (see -kin) interleukin-2 analogues and derivatives
-lisib phosphatidylinositol 3-kinase inhibitors, antineoplastics
-listat (see –stat) gastrointestinal lipase inhibitors
-lubant leukotriene B4 receptor antagonist
-lukast (see –ast) leukotriene receptor antagonists
-lutamide non-steroid antiandrogens
-lutril (see –tril/trilat) endopeptidase inhibitors
-mab monoclonal antibodies
-mantadine adamantane derivatives
-mantine (see -mantadine) adamantane derivatives
-mantone (see -mantadine) adamantane derivatives
-mapimod (see -imod) mitogen-activated protein (MAP) kinase inhibitors
-mastat (see -stat) matrix metalloproteinase inhibitors
-meline cholinergic agents (muscarine receptor agonists/partial antagonists used in the treatment of Alzheimer’s disease)
mer-/-mer mercury-containing drugs, antimicrobial or diuretic
-mer polymers
-mesine sigma receptor ligands
-mestane aromatase inhibitors
-metacin anti-inflammatory, indometacin derivatives
-met(h)asone (see pred) prednisone and prednisolone derivatives
-metinib (see –tinib) MEK (MAPK kinase) tyrosine kinase inhibitors
-micin aminoglycosides, antibiotics obtained from various Micromonospora
-mifene (see -ifene) antiestrogens, clomifene and tamoxifen derivatives
-milast (see -ast) phosphodiesterase IV (PDE IV) inhibitors
mito- antineoplastics, nucleotoxic agents
-monam monobactam antibiotics
-morelin (see -relin) growth hormone release-stimulating peptides
-mostat (see -stat) proteolytic enzyme inhibitors
-mostim (see -stim) macrophage stimulating factors (M-CSF) type substances
-motide (see -tide) immunological agents for active immunization
-motine antivirals, quinoline derivatives
-moxin monoamine oxidase inhibitors, hydrazine derivatives
-mulin antibacterials, pleuromulin derivatives
-mustine antineoplastic, alkylating agents, (β-chloroethyl)amine derivatives
-mycin antibiotics, produced by Streptomyces strains (see also -kacin)
nab cannabinoid receptors agonists
-nabant cannabinoid receptors antagonists
-nacept (see -cept) interleukin-1 receptors
-nakin (see -kin) interleukin-1 analogues and derivatives
-nakinra (see -kin) interleukin-1 receptor antagonists
nal- opioid receptor antagonists/agonists related to normorphine
-naritide (see -tide) peptides and glycopeptides
-navir (see vir) Human Immunodeficiency Virus (HIV) protease inhibitors
-nepag prostaglandins receptors agonists, non-prostanoids
-nermin (see -ermin) tumour necrosis factor
-nercept (see -cept) tumour necrosis factor receptors
-nertant (see -tant) neurotensin antagonists
-netant (see -tant) neurokinin NK3 receptor antagonists
-nicate (see nico-) antihypercholesterolaemic and/or vasodilating nicotinic acid esters
-nicline nicotinic acetylcholine receptor partial agonists / agonists
nico-/nic-/ni- nicotinic acid or nicotinoyl alcohol derivatives
-nidazole antiprotozoals and radiosensitizers, metronidazole derivatives
-nidine (see -onidine) antihypertensives, clonidine derivatives
nifur- 5-nitrofuran derivatives
-nil (see -azenil) benzodiazepine receptor antagonists/agonists (benzodiazepine derivatives)
nitro-/nitr-/nit-/ni-/-ni- NO2 – derivatives
-nixin anti-inflammatory, anilinonicotinic acid derivatives
(-)nonacog (see -cog) blood factor IX
octakin (see -kin) interleukin-8 analogues and derivatives
-octadekin (see -kin) interleukin-18 human analogues and derivatives
(-)octocog (see -cog) blood factor VIII
-ol for alcohols and phenols
-olol β-adrenoreceptor antagonists
-olone (see pred) steroids other than prednisolone derivatives
-onakin (see -kin) interleukin-1 analogues and derivatives
-one ketones
-onide steroids for topical use, acetal derivatives
-onidine antihypertensives, clonidine derivatives
-onium (see -ium) quaternary ammonium compounds
-opamine (see -dopa) dopaminergic agents dopamine derivatives used as cardiac stimulant/antihypertensives/diuretics
-orex anorexics
-orph- (see orphan) opioid receptor antagonists/agonists, morphinan derivates
orphan opioid receptor antagonists/agonists, morphinan derivates
-otermin (see -ermin) bone morphogenetic proteins
-ox/-alox antacids, aluminium derivatives
-oxacin antibacterials, nalidixic acid derivatives
-oxan(e) benzodioxane derivatives
-oxanide (see -anide) antiparasitics, salicylanilides and analogues
-oxef (see cef-) antibiotics, oxacefalosporanic acid derivatives
-oxepin (see -pine) tricyclic compounds
-oxetine serotonin and/or norepinephrine reuptake inhibitors, fluoxetine derivatives
-oxicam (see -icam) anti-inflammatory, isoxicam derivatives
-oxifene (see -ifene) antiestrogens or estrogen receptor modulators, clomifene and tamoxifen derivatives
-oxopine (see -pine) tricyclic compounds
-pafant platelet-activating factor antagonists
-pamide diuretics, sulfamoylbenzoic acid derivatives (could be sulfamoylbenzamide)
-pamil calcium channel blocker, verapamil derivatives
-parcin for glycopeptide antibiotics
-parib poly-ADP-ribose polymerase inhibitors
-parin heparin derivatives including low molecular mass heparins
-parinux (see -parin) synthetic heparinoids
-pendyl (see -dil) vasodilators
-penem analogues of penicillanic acid antibiotics modified in the five-membered ring
perfl(u)- perfluorinated compounds used as blood substitutes and/or diagnostic agents
-peridol (see -perone) antipsychotics, haloperidol derivatives
-peridone (see -perone) antipsychotics, risperidone derivatives
-perone tranquillizers, neuroleptics, 4′-fluoro-4-piperidinobutyrophenone derivatives
-pidem hypnotics/sedatives, zolpidem derivatives
-pin(e) tricyclic compounds
-piprant prostaglandin receptors antagonists, non-prostanoids
-piprazole (see -prazole) psychotropics, phenylpiperazine derivatives
-pirone (see -spirone) anxiolytics, buspirone derivatives
-pirox (see -ox/-alox) antimycotic pyridone derivatives
-pitant (see -tant) neurokinin NK1 (substance P) receptor antagonist
-plact platelet factor 4 analogues and derivatives
-pladib phospholipase A2 inhibitors
-planin glycopeptide antibacterials (Actinoplanes strains)
-plase (see -ase) enzymes
-plasmid (see -gene) gene therapy products
-platin antineoplastic agents, platinum derivatives
-plermin (see -ermin) platelet-derived growth factor
-plestim (see -stim and -kin) interleukin-3 analogues and derivatives
-plon imidazopyrimidine or pyrazolopyrimidine derivatives, used as anxiolytics, sedatives, hypnotics
-poetin erythropoietin type blood factors
-porfin benzoporphyrin derivatives
-poride Na+/H+ antiport inhibitor
-pramine substances of the imipramine group
-prazole antiulcer, benzimidazole derivatives
-piprazole psychotropics, phenylpiperazine derivatives
-prazan proton pump inhibitors, not dependent on acid activation
pred prednisone and prednisolone derivatives
-prenaline (see -terol) bronchodilators, phenethylamine derivatives
-pressin vasoconstrictors, vasopressin derivatives
-previr (see vir) Hepatitis Virus C (HVC) protease inhibitors
-pride sulpiride derivatives
-pril angiotensin-converting enzyme inhibitors
-prilat (see -pril) angiotensin-converting enzyme inhibitors
-prim antibacterials, dihydrofolate reductase (DHFR) inhibitors, trimethoprim derivatives
-pris- steroidal compounds acting on progesterone receptors (excluding -gestcompounds)
-pristin antibacterials, streptogramins, protein synthesis inhibitors, pristinamycin derivatives
-profen anti-inflammatory agents, ibuprofen derivatives prost prostaglandins
-prostil (see prost) prostaglandins, anti-ulcer
-quidar drugs used in multidrug resistance, quinoline derivatives
-quin(e) quinoline derivatives
-quinil (see -azenil) benzodiazepine receptor agonists, also partial or inverse (quinoline derivatives)
-racetam amide type nootrope agents, piracetam derivatives
-racil uracil type antineoplastics
-rafenib RAF (rapidely accelerated fibrosarcoma) kinase inhibitors
-relin pituitary hormone-release stimulating peptides
-relix gonadotropin-releasing-hormone (GnRH) inhibitors, peptides
-renone aldosterone antagonists, spironolactone derivates
-restat (see -stat) aldose reductase inhibitors
retin retinol derivatives
-ribine ribofuranyl-derivatives of the “pyrazofurin” type
rifa- antibiotics, rifamycin derivatives
-rinone cardiac stimulants, amrinone derivatives
-ritide (see –tide) natriuretic peptides
-rixin chemokine CXCR receptors antagonists
-rizine (see -izine) antihistaminics/cerebral (or peripheral) vasodilators
-rolimus (see -imus) immunosuppressants, rapamycin derivatives
-rozole aromatase inhibitors, imidazole-triazole derivatives
-rsen antisense oligonucleotides
-rubicin antineoplastics, daunorubicin derivatives
sal salicylic acid derivatives
salazo- phenylazosalicylic acid derivatives antibacterial
-salan brominated salicylamide derivatives disinfectant
-sartan angiotensin II receptor antagonists, antihypertensive (non-peptidic)
-semide diuretics, furosemide derivatives
-sermin (see -ermin) insulin-like growth factors
-serod serotonin receptor antagonists and partial agonists
-serpine derivatives of Rauwolfia alkaloids
-sertib serine/threonine kinase inhibitors
-setron serotonin receptor antagonists (5-HT3) not fitting into other established groups of serotonin receptor antagonists
-siran small interfering RNA
som- growth hormone derivatives
-sopine (see -pine) tricyclic compounds
-spirone anxiolytics, buspirone derivatives
-stat/-stat- enzyme inhibitors
-steine mucolytics, other than bromhexine derivatives
-ster- androgens/anabolic steroids
-steride (see -ster-) androgens/anabolic steroids
-stigmine acetylcholinesterase inhibitors
-stim colony stimulating factors
sulfa- anti-infectives, sulfonamides
-sulfan antineoplastic, alkylating agents, methanesulfonates
-tacept (see -cept) cytotoxic T lymphocyte-associated antigen 4 (CTLA-4) receptors
-tadine tricyclic histamine-H1 receptor antagonists, tricyclic compounds
-tansine maytansinoid derivatives, antineoplastics
-tant neurokinin (tachykinin) receptor antagonists
-tapide microsomal triglyceride transfer protein (MTP) inhibitors
-taxel antineoplastics; taxane derivatives
-tecan antineoplastics, topoisomerase I inhibitors
-tepa antineoplastics, thiotepa derivatives
-tepine (see -pine) tricyclic compounds
-teplase (see -ase) tissue type plasminogen activators, see -ase item VI
-tercept (see -cept) transforming growth factors receptors
-termin (see -ermin) transforming growth factor
-terol bronchodilators, phenethylamine derivatives
-terone antiandrogens
-thiouracil (see -racil) uracil derivatives used as thyroid antagonists
-tiazem calcium channel blockers, diltiazem derivatives
-tibant bradykinin receptor antagonists
-tide peptides and glycopeptides (for special groups of peptides see -actide, -pressin, -relin, -tocin)
-tidine histamine-H2-receptor antagonists, cimetidine derivatives
-tilide (see -ilide) class III antiarrhythmics, sematilide derivatives
-tiline (see -triptyline) antidepressants, dibenzo[a,d]cycloheptane or cyclopheptene derivatives
-tinib tyrosine kinase inhibitors
-tirelin (see -relin) thyrotropin releasing hormone analogues
-tizide diuretics, chlorothiazide derivatives
-tocin oxytocin derivatives
-toin antiepileptics, hydantoin derivatives
-tolimod (see –imod) toll-like receptors (TLR) agonists
-trakin (see -kin) interleukin-4 analogues and derivatives
-trakinra (see -kinra) interleukin-4 receptor antagonists
-traline serotonin reuptake inhibitors
-tredekin (see -kin) interleukin-13 analogues and derivatives
-trexate folic acid analogues
-trexed antineoplastics; thymidilate synthetase inhibitors
-tricin antibiotics, polyene derivatives
-tril/trilat endopeptidase inhibitors
-triptan serotonin (5-HT1) receptor agonists, sumatriptan derivatives
-triptyline antidepressants, dibenzo[a,d]cycloheptane or cyclopheptene derivatives
-troban thromboxane A2-receptor antagonists; antithrombotic agents
-trodast (see -ast) thromboxane A2-receptor antagonists, antiasthmatics
trop atropine derivatives
-uplase (see -ase) urokinase type plasminogen activator, see -ase item VII
-ur (see -uridine) uridine derivatives used as antiviral agents and as antineoplastics
-uridine uridine derivatives used as antiviral agents and as antineoplastics
-vaptan vasopressin receptor antagonists
-vastatin (see -stat) antihyperlipidaemic substances, HMG CoA reductase inhibitors
-vec (see -gene) gene therapy product
-verine spasmolytics with a papaverine-like action
vin-/-vin- vinca alkaloids
vir antivirals (undefined group)
-vircept (see -cept) antiviral receptors
-virine (see vir) non-nucleoside reverse transcriptase inhibitors (NNRTI)
-viroc (see -vir) CCR5 (Chemokine CC motif receptor 5) receptor antagonists
-virsen antisense oligonucleotides
-vos (see fos) insecticides, anthelminthics, pesticides etc., phosphorus derivatives
-vudine (see -uridine) uridine derivatives used as antiviral agents and as antineoplastics
-xaban blood coagulation factor XA inhibitors, antithrombotics
-xanox (see -ox/-alox) anti-allergics, tixanox group
-xetan chelating agents
-yzine (see -izine) diphenylmethyl piperazine derivatives
-zafone alozafone derivatives
-zepine (see -pine) tricyclic compounds
-zolast (see -ast) leukotriene biosynthesis inhibitors
-zomib proteasome inhibitors
-zone (see -buzone) anti-inflammatory analgesics, phenylbutazone derivatives
-zotan 5-HT1A receptor agonists / antagonists acting primarily as neuroprotectors

Source: World Health Organization

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