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In the US, Isoniazid (isoniazid systemic) is a member of the drug class hydrazide derivatives and is used to treat Mycobacterium kansasii, Tuberculosis - Active, Tuberculosis - Latent and Tuberculosis - Prophylaxis.

US matches:

UK matches:



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Category

Antitubercular agent

Chemical Name

4-Pyridinecarboxylic acid, hydrazide

Foreign Names

Generic Names

  • Isoniazid (OS: BAN, JAN)
  • Isoniazide (OS: DCF)
  • Azuren (IS)
  • INH (IS)
  • L 1945 (IS)
  • Mybasan (IS)
  • Neumadin (IS)
  • RP 5015 (IS)
  • Tubomel (IS)
  • Vazadrine (IS)
  • Isoniazid (PH: BP 2016, JP XVI, Ph. Eur. 8, Ph. Int. 4, USP 38)
  • Isoniazide (PH: Ph. Eur. 8)
  • Isoniazidum (PH: Ph. Eur. 8, Ph. Int. 4)

Brand Names

  • 3-FD (Isoniazid and Rifampicin, + Pyrazinamide)
    Novartis, India
  • 4D (Isoniazid and Rifampicin, + Ethambutol, + Pyratinamide)
    SANDOZ, Philippines
  • 4-D (Isoniazid and Rifampicin, + Pyrazinamide, + Ethambutol)
    Novartis, India
  • 4-D Plus (Isoniazid and Rifampicin, + Pyrazinamide, + Ethambutol)
    Novartis, India
  • Aceta
    Amson, Pakistan
  • Afracin (Isoniazid and Rifampicin)
    CCL, Pakistan
  • Akt-2 (Isoniazid and Rifampicin)
    Lupin, India
  • Akt-3 (Isoniazid and Rifampicin, + Ethambutol)
    Lupin, India
  • Akt-4 (Isoniazid and Rifampicin, + Pyrazinamide, + Ethambutol)
    Lupin, India
  • Akt-FD (Isoniazid and Rifampicin, + Pyrazinamide, + Ethambutol)
    Lupin, India
  • Akurit (Isoniazid and Rifampicin)
    Lupin, India; Lupin, Kenya
  • Akurit Kid (Isoniazid and Rifampicin (pediatric))
    Lupin, India
  • Akurit-3 (Isoniazid and Rifampicin, + Ethambutol)
    Lupin, India
  • Akurit-4 (Isoniazid and Rifampicin, + Pyrazinamide, + Ethambutol)
    Lupin, India; Lupin, Myanmar
  • Akurit-Z (Isoniazid and Rifampicin, + Pyrazinamide)
    Lupin, India; Lupin, Kenya
  • Akurit-Z Kid (Isoniazid and Rifampicin, + Pyrazinamide (pediatric))
    Lupin, India
  • Amsozide
    Amson, Pakistan
  • An Si Nuo Kang (Isoniazid and Rifampicin, + Ethambutol)
    Hongqi Pharmaceutical, China
  • Bacbutinh (Isoniazid and Ethambutol, + Pyridoxine)
    Armoxindo, Indonesia
  • Beniazide (Isoniazid and Pyridoxine)
    Industri Farmasi Pembangunan, Indonesia
  • Be-Tabs Isoniazid
    Be-Tabs Pharmaceuticals, South Africa
  • Bifix (Isoniazid and Riampicin)
    UAP, Philippines
  • Bitub
    CN Unifarm, Romania
  • Cemidon
    Chiesi, Spain
  • Cemidon B6 (Isoniazid and Pyridoxine)
    Chiesi, Spain
  • Chang Wei Rui Da Xin (Isoniazid and Rifampicin, + Pyrazinamide)
    Duoburuifei Pharmaceutical, China
  • Combunex (Isoniazid and Ethambutol)
    Lupin, India
  • Comprilex (Isoniazid and Pyridoxine (pediatric))
    Pediatrica, Philippines
  • Coxrid (Isoniazid and Ethambutol)
    AHPL, India
  • Curazid (Isoniazid and Pyridoxine)
    Natrapharm, Philippines
  • Dai Fei Lin (Isoniazid and Rifampicin, + Pyrazinamide)
    Sine Pharm, China
  • Dianicotyle
    IFET, Greece
  • Duomax (Isoniazid and Rifampicin)
    Multicare, Philippines
  • Duracrin
    Genuine, Taiwan
  • Ebutol (Isoniazid and Pyridoxine, + Ethambutol)
    Terramedic, Philippines
  • Econofix (Isoniazid and Rifampicin, + Pyrazinamide, + Ethambutol)
    Pascual, Philippines
  • Erabutol Plus (Isoniazid and Pyridoxine, + Ethambutol)
    Pyridam Farma, Indonesia
  • Ethi 400 (Isoniazid and Ethambutol, + Pyridoxine)
    Pharma Dynamic, Philippines
  • Fei An (Isoniazid and Rifampicin)
    Huabang Medical & Chemical, China
  • Fei Lu De (Isoniazid and Rifampicin)
    Jianfeng Dekang Pharmaceutical, China
  • Fei Ning (Isoniazid and Rifampicin, + Pyrazinamide)
    Huabang Medical & Chemical, China
  • Fei Su (Isoniazid and Rifampicin, + Pyrazinamide)
    Kangxin, China
  • Fei Ting (Isoniazid and Rifampicin)
    Kangxin, China
  • Fixcom 3 (Isoniazid and Rifampicin, + Ethambutol)
    Natrapharm, Philippines
  • Fixcom 4 (Isoniazid and Rifampicin, + Pyrazinamide, + Ethambutol)
    Natrapharm, Philippines
  • Forecox-Trac (Isoniazid and Rifampicin, + Ethambutol, + Pyrazinamide)
    Mylan, Thailand
  • HR Pedia Kit (Isoniazid and Rifampicin, + Pyridoxine)
    Pediatrica, Philippines
  • HRZ Pedia Kit (Isoniazid and Rifampicin, + Pyridoxine, + Pyrazinamide)
    Pediatrica, Philippines
  • Hu Fei Te (Isoniazid and Rifampicin, + Pyrazinamide)
    Xin ganjiang pharmaceutical, China
  • Hydra
    Otsuka Pharmaceutical, Japan
  • I.N.A.H.
    Fu Yuan, Taiwan
  • Inavita (Isoniazid and Pyridoxine)
    Winston, Taiwan
  • INH
    Koçak, Turkey; Sanofi-Aventis, Bangladesh
  • INH Agepha
    LENIS, Slovenia
  • INHA (Isoniazid and Pyridoxine)
    Mersifarma, Indonesia
  • INH-Ciba
    Sandoz, Indonesia
  • INH-Ciba (Isoniazid and Pyridoxine)
    Sandoz, Indonesia
  • Inoxin (Isoniazid and Pyridoxine)
    Dexa Medica, Indonesia
  • Ipcacin (Isoniazid and Rifampicin)
    IPCA, India
  • Ipcazide (Isoniazid and Pyridoxine)
    IPCA, India
  • Iscotin
    Daiichi Sankyo, Japan; Daiichi Sankyo, Taiwan
  • Isocid forte
    Cid, Egypt
  • Isodexid (Isoniazid and Pyridoxine)
    Medi-Rx, Philippines
  • Iso-Eremfat (Isoniazid and Rifampicin)
    Fatol, Lithuania; Fatol, Russian Federation; Riemser Pharma, Germany
  • IsonaRif (Isoniazid and Rifampicin)
    VersaPharm, United States
  • Isoniac
    Klonal, Argentina
  • Isoniazid
    CN Unifarm, Romania; Fawns & McAllan, Australia; Rekah, Israel
  • Isoniazid - Guilin Pharma
    Guilin, China
  • Isoniazid - New Asiatic Pharm
    New Asiatic Pharm, China
  • Isoniazid & Rifampin-South Ocean Pharm (Isoniazid and Rifampicin)
    South Ocean Pharmaceutical, China
  • Isoniazid Alliance
    Alliance Pharmaceuticals, United Kingdom
  • Isoniazid Atlantic
    Atlantic Lab, Hong Kong; Atlantic Lab, Thailand
  • Isoniazid Carolina
    Carolina Medical Products, United States
  • Isoniazid Guilin
    Guilin, China
  • Isoniazid Labatec
    Labatec Pharma, Switzerland
  • Isoniazid Oba
    OBA, Denmark
  • Isoniazid P & D
    P & D, Malta
  • Isoniazid PSM
    PSM, New Zealand
  • Isoniazid Sandoz
    Sandoz, United States
  • Isoniazid Sankei
    Sankei Yakuhin, Japan
  • Isoniazid Shinlon
    Shinlon, Taiwan
  • Isoniazid Winston
    Winston, Taiwan
  • Isoniazida
    Cipa, Peru; Iqfarma, Peru
  • Isoniazidã ATB
    Antibiotice, Romania
  • Isoniazida Fabra
    Fabra, Argentina
  • Isoniazida Kronos
    Kronos, Ecuador
  • Isoniazida Labesfal
    Labesfal, Portugal
  • Isoniazida Lafedar
    Lafedar, Argentina
  • Isoniazid-Darnitsa
    Darnitsa, Georgia
  • Isoniazide Apotex
    Apotex, Netherlands
  • Isoniazide Johnson
    Johnson, Taiwan
  • Isoniazide PCH
    Pharmachemie, Netherlands
  • Isoniazide Teva
    Teva, Netherlands
  • Isoniazid-Ningguo Bangning Pharm
    Ningguo Bangning Pharmaceutical, China
  • Isonicid
    PannonPharma, Hungary
  • Isonicotinic
    Washington, Taiwan
  • Isonid
    Concept, Philippines
  • Isorifa (Isoniazid and Rifampicin)
    Jedco, Egypt
  • Isovit (Isoniazid and Pyridoxine)
    Deva, Turkey
  • Isozid
    Fatol, Slovenia; Riemser Pharma, Germany
  • Isozid comp. (Isoniazid and Pyridoxine)
    Fatol, Russian Federation; Riemser Pharma, Germany
  • Isozid N
    Riemser Pharma, Germany
  • Izoniazido
    Sanitas, Lithuania
  • Kapedoxin (Isoniazid and Pyridoxine)
    Erlimpex, Indonesia
  • Ke Lao Er Kang (Isoniazid and Rifampicin, + Ethambutol, + Pyrazinamide)
    Hongqi Pharmaceutical, China
  • Kidz Kit 2 (Isoniazid and Rifampicin, + Pyridoxine)
    Natrapharm, Philippines
  • Kidz Kit 3 (Isoniazid and Pyrazinamide, + Rifampicin, + Pyridoxine)
    Natrapharm, Philippines
  • Lunging
    Health Chemical, Taiwan
  • Metham (Isoniazid and Pyridoxine, + Ethambutol)
    Promed Rahardjo, Indonesia
  • Mycocox (Isoniazid and Rifampicin)
    Cadila, India
  • Mycocox-4 (Isoniazid and Rifampicin, + Pyrazinamide, + Ethambutol)
    Cadila, India
  • Mycocox-E (Isoniazid and Rifampicin, + Ethambutol)
    Cadila, India
  • Mycocox-Z (Isoniazid and Rifampicin, + Pyrazinamide)
    Cadila, India
  • Myrin (Isoniazid and Ethambutol, + Rifampicin)
    Pfizer, Philippines
  • Myrin-P Forte (Isoniazid and Ethambutol, + Rifampicin, + Pyrazinamide)
    Pfizer, Philippines
  • Niazitol (Isoniazid and Ethambutol, Pyridoxine)
    Global Multi Pharmalab, Indonesia
  • Nicizina
    Lafedar, Argentina
  • Nicotibina
    Sanofi-Aventis, Argentina
  • Nicotibine
    Econophar, Belgium
  • Nicozid
    Majorelle, France; Piam, Italy
  • Nidrazid
    Zentiva, Czech Republic; Zentiva, Poland; Zentiva, Slovakia
  • Norstan-Isoniazid
    Sanofi-Aventis, South Africa
  • Nydrazid
    Apothecon, United States
  • Oboliz (Isoniazid and Rifampicin)
    Rafarm, Greece
  • Pehadoxin (Isoniazid and Pyridoxine)
    Phapros, Indonesia
  • Pehadoxin Forte (Isoniazid and Pyridoxine)
    Phapros, Indonesia
  • Pharex Isoniazid
    Pascual, Philippines
  • Pharmaniaga Isoniazid
    Pharmaniaga, Malaysia
  • Pi Jin (Isoniazid and Rifampicin)
    BSPC, China
  • Pi Lv (Isoniazid and Rifampicin, + Pyrazinamide)
    BSPC, China
  • PMS-Isoniazid
    PendoPharm, Canada; Pharmascience, Singapore
  • Pulmolin (Isoniazid and Pyridoxine)
    Pharos, Indonesia
  • Pulna (Isoniazid and Ethambutol, Pyridoxine)
    Landson, Indonesia
  • Pulna Forte (Isoniazid and Ethambutol, Pyridoxine)
    Landson, Indonesia
  • Pyravit (Isoniazid and Pyridoxine)
    Galenium Pharmasia Laboratories, Indonesia
  • Quadmax (Isoniazid and Rifampicin, + Pyrazinamide, + Ethambutol)
    Multicare, Philippines
  • Quadtab (Isoniazid and Rifampicin, + Pyrazinamide, + Ethambutol)
    UAP, Philippines
  • R-Cinex (Isoniazid and Rifampicin)
    Lupin, Myanmar
  • R-Cinex Kid (Isoniazid and Rifampicin (pediatric))
    Lupin, Myanmar
  • Rhea Isoniazid
    Philusa, Philippines
  • Rifacox-H (Isoniazid and Rifampicin)
    Psycorem, India
  • Rifadin-INH (Isoniazid and Rifampicin)
    Sanofi Aventis, India
  • Rifafour (Isoniazid and Rifampicin, Pyrazinamide, Ethambutol)
    Sanofi-Aventis, Thailand; Sanofi-Aventis, South Africa
  • Rifam plus (Isoniazid and Rifampicin)
    Pharco, Egypt
  • Rifamate (Isoniazid and Rifampicin)
    sanofi-aventis, United States
  • Rifamazid (Isoniazid and Rifampicin)
    Polfa Tarchomin, Poland; Tarchominskie Zaklady Farmaceutyczne Polfa, Lithuania
  • Rifampicin and Isoniazid Antibiotice (Isoniazid and Rifampicin)
    Antibiotice, Georgia
  • Rifampicina + Isoniacida Kronos (Isoniazid and Rifampicin)
    Kronos, Ecuador
  • Rifater (Isoniazid and Pyrazinamide, + Rifampicin)
    Sanofi, United Kingdom; Sanofi, Ireland; Sanofi Aventis, Spain; Sanofi Aventis, India; sanofi-aventis, Canada; sanofi-aventis, Switzerland; sanofi-aventis, France; sanofi-aventis, Hong Kong; sanofi-aventis, Italy; sanofi-aventis, Mexico; sanofi-aventis, Portugal; sanofi-aventis, Thailand; sanofi-aventis, Taiwan; sanofi-aventis, United States
  • Rifazid (Isoniazid and Pyrazinamide, + Rifampicin)
    Sanofi-Aventis, Bangladesh
  • Rifazid (Isoniazid and Rifamipicin)
    PannonPharma, Hungary; Sanofi-Aventis, Bangladesh
  • Rifinah (Isoniazid and Rifampicin)
    Sanofi, United Kingdom; Sanofi, Ireland; Sanofi Aventis, Spain; Sanofi Malta, Malta; Sanofi-Aventis, Argentina; Sanofi-Aventis, Switzerland; Sanofi-Aventis, France; Sanofi-Aventis, Greece; Sanofi-Aventis, Hong Kong; Sanofi-Aventis, Italy; Sanofi-Aventis, Mexico; Sanofi-Aventis, Netherlands; Sanofi-Aventis, New Zealand; Sanofi-Aventis, Portugal; Sanofi-Aventis, Thailand; Sanofi-Aventis, South Africa; Sanofi-Aventis, Taiwan
  • Rifoldin mit INH (Isoniazid and Rifampicin)
    Sanofi-Aventis, Austria
  • Rifzin (Isoniazid and Rifampicin)
    Pascual, Philippines
  • Rimactazid (Isoniazid and Pyrazinamide, + Rifampicin)
    Novartis, Bangladesh
  • Rimactazid (Isoniazid and Rifampicin)
    Novartis, Bangladesh; Novartis, India; Novartis, Oman; Sandoz, Switzerland; Sandoz, Denmark; Sandoz, Egypt; Sandoz, Greece; Sandoz, Indonesia; Sandoz, Italy; Sandoz, Philippines; Sandoz, Sweden; Sandoz, South Africa; Sandoz AS, Norway; Sandoz Farmaceutica, Spain; Sandoz-Imexpharm, Vietnam
  • Rimactazid + E (Isoniazid and Rifampicin, + Ethambutol)
    Novartis, India
  • Rimactazid + Z (Isoniazid and Rifampicin, + Pyrazinamide)
    Novartis, India
  • Rimactazid Paed (Isoniazid and Rifampicin (pediatric))
    Sandoz, Indonesia; Sandoz, Philippines
  • Rimacure ped (Isoniazid and Rifampicin, + Pyrazinamide)
    Novartis, Egypt
  • Rimcure (Isoniazid and Rifampicin, + Pyrazinamide)
    Novartis, Bangladesh; Novartis, Egypt; Sandoz, Denmark; Sandoz, Indonesia; Sandoz, Italy; Sandoz, Malaysia; Sandoz, Sweden; Sandoz AS, Norway; Sandoz Farmaceutica, Spain
  • Rimcure 3FDC (Isoniazid and Rifampicin, + Pyrazinamide, + Ethambutol)
    Novartis, India
  • Rimcure Paed (Isoniazid and Rifampicin, + Pyrazinamide (pediatric))
    Sandoz, Indonesia
  • Rimicid
    Sopharma, Bulgaria
  • Rimifon
    Majorelle, France
  • Rimmax 2F DC (Isoniazid and Rifampicin)
    Novartis, India
  • Rimpazid (Isoniazid and Rifampicin)
    Zydus Cadila, India
  • Rimstar (Isoniazid and Rifampicin, + Pyrazinamide, + Ethambutol)
    Novartis, Bangladesh; Sandoz, Switzerland; Sandoz, Denmark; Sandoz, Italy; Sandoz, Sweden; Sandoz Farmaceutica, Spain
  • Rimstar (Isoniazid and Rifampicin, + Pyrazinamide)
    Novartis, Egypt
  • Rimstar 4FDC (Isoniazid and Rifampicin, + Pyrazinamide, + Ethambutol)
    Novartis, India
  • Rimstar-4 (Isoniazid and Rifampicin, + Pyrazinamide, + Ethambutol)
    Sandoz, Indonesia; Sandoz, Philippines
  • Rimthree FDC (Isoniazid and Rifampicin, + Ethambutol)
    Novartis, India
  • Riozid (Isoniazid and Rifampicin)
    MUP, Egypt
  • Risoped (Isoniazid and Rifampicin)
    Stedman, India
  • Risoped Forte (Isoniazid and Rifampicin)
    Stedman, India
  • RiteMED Isoniazid Pyridoxine HCl (Isoniazid and Pyridoxine)
    RiteMED, Philippines
  • Rui Fu An Kang (Isoniazid and Rifampicin, + Pyrazinamide)
    Hongqi Pharmaceutical, China
  • Santibi Plus (Isoniazid and Ethambutol, + Pyridoxine)
    Sanbe, Indonesia
  • SCC-2 (Isoniazid and Rifampicin)
    Maneesh Healthcare, India
  • SCC-3 (Isoniazid and Rifampicin, + Ethambutol)
    Maneesh Healthcare, India
  • SCC-4 (Isoniazid and Rifampicin, + Pyrazinamide, + Ethambutol)
    Maneesh Healthcare, India
  • Servizid
    Novartis, Bangladesh
  • Sheng Jun
    Hualu Pharmaceutical, China
  • Sinerdol Iso (Isoniazid and Rifampicin)
    Antibiotice, Romania
  • Suprazid (Isoniazid and Pyridoxine)
    Armoxindo, Indonesia
  • Suprazid Forte (Isoniazid and Pyridoxine)
    Armoxindo, Indonesia
  • TB Vit 6 (Isoniazid and Pyridoxine)
    Meprofarm, Indonesia
  • tebesium-s
    Riemser Pharma, Germany
  • Ter-3 (Isoniazid and Rifampicin, + Pyrazinamide)
    AHPL, India
  • Ter-4 (Isoniazid and Rifampicin, + Pyrazinamide, + Ethambutol)
    AHPL, India
  • Terozid (Isoniazid and Pyridoxine (pediatric))
    Terramedic, Philippines
  • Thiozid (Isoniazid and Thioacetazone)
    Sanofi-Aventis, Bangladesh
  • Ti Bi (Isoniazid and Rifampicin)
    Huayu Wuxi Pharmaceutical, China
  • Tibikit (Isoniazid and Rifampicin, + Pyrazinamide)
    Ranbaxy, India
  • Tibinide
    Meda, Iceland; Meda, Sweden
  • Tibirim-INH (Isoniazid and Rifampicin)
    Ranbaxy, India
  • Tibirim-INH Forte (Isoniazid and Rifampicin)
    Ranbaxy, India
  • Tisobrif (Isoniazid and Pyridoxine, + Rifampicin)
    Chiesi, Spain
  • Trac-3 (Isoniazid and Rifampicin, + Ethambutol)
    Macleods, India
  • Trac-4 (Isoniazid and Rifampicin, + Ethambutol, + Pyrazinamide)
    Macleods, India
  • Tres (Isoniazid and Rifampicin, + Ethambutol)
    SANDOZ, Philippines
  • Tritab (Isoniazid and Rifampicin, + Ethambutol)
    UAP, Philippines
  • Tubernex Forte
    Radicura, India
  • Tubilysin
    Orion Pharma, Finland
  • Wei Bao (Isoniazid and Rifampicin, + Pyrazinamide)
    TangShi Pharmaceutical, China
  • Wei Fei (Isoniazid and Rifampicin)
    TangShi Pharmaceutical, China
  • Winbutol-I (Isoniazid and Ethambutol)
    Winston, Taiwan
  • Yi Bi Fu (Isoniazid and Rifampicin, + Pyrazinamide)
    Hisun Pfizer, China
  • Yi Nuo Ni Kang (Isoniazid and Rifampicin, + Pyrazinamide, + Ethambutol)
    Hongqi Pharmaceutical, China
  • Yi Ti Bi (Isoniazid and Rifampicin, + Pyrazinamide)
    Huayu Wuxi Pharmaceutical, China
  • Zucox (Isoniazid and Rifampicin, + Pyrazinamide)
    GlaxoSmithKline, India
  • Zucox Plus (Isoniazid and Rifampicin)
    GlaxoSmithKline, India
  • Zucox-2 (Isoniazid and Rifampicin)
    Emcure, India
  • Zucox-3 (Isoniazid and Rifampicin, + Ethambutol)
    GlaxoSmithKline, India
  • Zucox-4 (Isoniazid and Rifampicin, + Pyrazinamide, + Ethambutol)
    GlaxoSmithKline, India


BANBritish Approved Name
DCFDénomination Commune Française
ISInofficial Synonym
JANJapanese Accepted Name
OSOfficial Synonym
PHPharmacopoeia Name
Prop.INNProposed International Nonproprietary Name (World Health Organization)

Further information on drug naming conventions: International Nonproprietary Names.

Important Notice: The international database is in BETA release. This means it is still under development and may contain inaccuracies. It is not intended as a substitute for the expertise and judgement of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that the use of any medication in any country is safe, appropriate or effective for you. Consult with your healthcare professional before taking any medication.

Further information

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