Levothyroxine (International)

Note: In some countries, this medicine may only be approved for veterinary use.

In the US, Levothyroxine (levothyroxine systemic) is a member of the drug class thyroid drugs and is used to treat Hashimoto's disease, Hypothyroidism - After Thyroid Removal, Myxedema Coma, Thyroid Suppression Test, TSH Suppression and Underactive Thyroid.

US matches:

• Levothyroxine
• Levothyroxine oral/injection
• Levothyroxine (Injection)
• Levothyroxine (Oral)
• Levothyroxine Capsules
• Levothyroxine Injection Solution
• Levothyroxine Oral Solution
• Levothyroxine Tablets
• Levothyroxine Capsule
• Levothyroxine Injection

Scheme

BAN

CAS registry number (Chemical Abstracts Service)

0000051-48-9

Chemical Formula

C15-H10-I4-N-O4

Molecular Weight

776

Therapeutic Categories

Thyroid hormone

Hormone replacement therapy (HRT)

Chemical Name

L-Tyrosine, O-(4-hydroxy-3,5-diiodophenyl)-3,5-diiodo-

Foreign Names

• Levothyroxinum (Latin)
• Levothyroxin (German)
• Lévothyroxine (French)

Generic Names

• Levothyroxine (OS: BAN)
• L-Thyroxine (IS)
• Thyroxine (IS)
• Thyroxinum laevogirum (IS)
• Thyroxinum (PH: Ph. Helv. VI)
• Lévothyroxine sodique (OS: DCF)
• Levothyroxine Sodium (OS: BANM)
• Levotiroxina sodica (OS: DCIT)
• Thyroxin-Natrium (IS)
• Thyroxinum natricum (IS)
• Lévothyroxine sodique (PH: Ph. Eur. 9)
• Levothyroxine Sodium (PH: BP 2018, Ph. Int. 7, USP 41)
• Levothyroxine sodium (PH: Ph. Eur. 9)
• Levothyroxin-Natrium (PH: Ph. Eur. 9)
• Levothyroxinum natricum (PH: Ph. Eur. 9, Ph. Int. 7)
• Levothyroxine Sodium Hydrate (OS: JAN)
• UNII-9J765S329G (IS)
• Lévothyroxine sodique (PH: Ph. Eur. 9)
• Levothyroxine sodium (PH: Ph. Eur. 9, Ph. Int. 4)
• Levothyroxine Sodium Hydrate (PH: JP XVII)
• Levothyroxinnatrium (PH: Ph. Eur. 9)
• Levothyroxinum natricum (PH: Ph. Eur. 9)

Brand Names

• Berlthyrox
  Berlin-Chemie, Tunisia; Menarini, Lebanon
• Bitiron [+ Liothyronine]
  Abdi Ibrahim, Turkey
• Dermocinetic [+ Escin]
  Geymonat, Italy
• Eltroxin
  Glaxo Smithkline, Lebanon; GlaxoSmithKline, Egypt
• Euthycin
  Incepta, Bangladesh
• Euthyrox
  Merck, Egypt; Merck Kgaa, Lebanon
• Leutiral
  Silanes, Mexico
• Lévothyrox
  Merck Santé, Tunisia
• Levothyroxin Stada 100 μg
  Stada Arzneimittel, Austria
• Levothyroxin Stada 125 μg
  Stada Arzneimittel, Austria
• Levothyroxin Stada 150 μg
  Stada Arzneimittel, Austria
• Levothyroxin Stada 175 μg
  Stada Arzneimittel, Austria
• Levothyroxin Stada 200 μg
  Stada Arzneimittel, Austria
• Levothyroxin Stada 50 μg
  Stada Arzneimittel, Austria
• Levothyroxin Stada 75 μg
  Stada Arzneimittel, Austria
• Levotiron
  Abdi Ibrahim, Turkey
• L-Thyroxin Henning
  Organon, Latvia
• Novothyral [+ Liothyronine]
  Sanolabor, Slovenia
• Somatoline [+ Escin]
  Manetti Roberts, Italy
• T4 Pharma Arte
  Pharma Arte, Paraguay
• T4 Thyro
  MUP, Egypt
• T4-Bago 150
  Bago, Peru
• Thiroyd
  Greater Pharma, Thailand
• Thyro-4
  Angelini, Tunisia
• Thyroid-S
  Sriprasit Pharma, Thailand
• Thyrox
  Renata, Bangladesh
• Tiroidina [+ Liothyronine]
  Dispert, Uruguay
• Tirosint
  IBSA Farmaceutici Italia, Italy
• Tiroxin
  Metlen, Ecuador
• Tyraxin
  Memphis Co., Egypt
• Accu-Thyrox
  Galenica, Romania
• Accu-thyrox 100mcg
  Galenica, Bulgaria
• Accu-thyrox 25mcg
  Galenica, Bulgaria
• Accu-thyrox 50mcg
  Galenica, Bulgaria
• Aliasint
  IBSA Farmaceutici Italia, Italy
• Boncheck
  Bonapharm, Peru
• Cynocuatro
  Valeant Grossman, Mexico
• Cynoplus [+ Liothyronine]
  Valeant Grossman, Mexico
• Dexnon
  Kern Pharma, Spain
• Diotroxin [+ Liothyronine]
  Pharmacare, South Africa
• Dobesium
  Pharmacheck, Peru
• Eferox
  Aristo Pharma, Germany
• Eltroxin
  Alfred Gera, Malta; Aspen, Czech Republic; Aspen, Lithuania; Aspen, New Zealand; Aspen, Philippines; Aspen, Poland; Aspen Nordic, Denmark; Aspen Pharmacare, Australia; Aspen Pharmacare, Canada; Aspen Pharmacare/Menarini, Singapore; Concordia, United Kingdom; Glaxo Wellcome, Lithuania; GlaxoSmithKline, Bangladesh; GlaxoSmithKline, India; GlaxoSmithKline, Kuwait; GlaxoSmithKline, Taiwan; GlaxoSmithKline, South Africa; Mercury, Malta
• Eltroxin 100mcg
  Aspen, Israel
• Eltroxin 50mcg
  Aspen, Israel; Aspen Pharma, Oman
• Eltroxin/Levothyroxine
  Alfred Gera, Malta
• Eltroxin/Thyroxine
  Mercury, Malta
• Eltroxin-LF 0.05mg
  Alfasigma, Switzerland
• Eltroxin-LF 0.1mg
  Alfasigma, Switzerland
• Eurolev
  Renata, Philippines
• Euthyral [+ Liothyronine]
  Merck Serono, France
• Euthyrox
  BModesto, Netherlands; Dr. Fisher Farma, Netherlands; Elea, Argentina; Eureco-Pharma, Netherlands; Euro Registratie, Netherlands; Merck, Bosnia & Herzegowina; Merck, Brazil; Merck, Czech Republic; Merck, Denmark; Merck, Georgia; Merck, Greece; Merck, Croatia (Hrvatska); Merck, Indonesia; Merck, Norway; Merck, Philippines; Merck, Serbia; Merck, Sweden; Merck, Slovakia; Merck, Turkey; Merck, Venezuela; Merck A E Hellas, Cyprus; Merck Consumer Healthcare, Belgium; Merck Healthcare, Netherlands; Merck KGaA, Iceland; Merck KGaA, Macedonia; Merck KGaA, Romania; Merck Sereno, Latvia; Merck Serono, China; Merck Serono, Germany; Merck Serono, Malaysia; Merck Serono, Russian Federation; Merck Serono, South Africa; Merck Merck Serono Division, Singapore
• Euthyrox 100
  Merck, Switzerland; Merck, Lithuania
• Euthyrox 100 µg
  Merck, Austria; Merck, Bulgaria; Merck, Hungary; Merck KGaA, Oman
• Euthyrox 100mcg
  Merck, Luxembourg; Merck Serono Ltd, Israel
• Euthyrox 112 µg
  Merck, Austria
• Euthyrox 125
  Merck, Switzerland
• Euthyrox 125 µg
  Merck, Austria; Merck, Bulgaria; Merck, Hungary
• Euthyrox 125mcg
  Merck, Luxembourg
• Euthyrox 137 µg
  Merck, Austria
• Euthyrox 150
  Merck, Switzerland
• Euthyrox 150 µg
  Merck, Austria; Merck, Hungary; Merck KGaA, Oman
• Euthyrox 150mcg
  Merck, Luxembourg
• Euthyrox 175
  Merck, Switzerland
• Euthyrox 175 µg
  Merck, Austria; Merck, Hungary
• Euthyrox 175mcg
  Merck, Luxembourg
• Euthyrox 200
  Merck, Switzerland
• Euthyrox 200 µg
  Merck, Austria
• Euthyrox 200mcg
  Merck, Luxembourg
• Euthyrox 25
  Merck, Switzerland
• Euthyrox 25 µg
  Merck, Austria; Merck, Bulgaria; Merck KGaA, Oman
• Euthyrox 25mcg
  Merck, Luxembourg
• Euthyrox 50
  Merck, Switzerland
• Euthyrox 50 µg
  Merck, Austria; Merck, Bulgaria; Merck, Hungary; Merck KGaA, Oman
• Euthyrox 50mcg
  Merck, Luxembourg; Merck Serono Ltd, Israel
• Euthyrox 75
  Merck, Switzerland
• Euthyrox 75 µg
  Merck, Austria; Merck, Bulgaria; Merck, Hungary
• Euthyrox 75mcg
  Merck, Luxembourg
• Euthyrox 88 µg
  Merck, Austria
• Euthyrox N
  Merck, Poland
• Eutirox
  Bracco, Italy; Merck, Chile; Merck, Colombia; Merck, Ecuador; Merck, Mexico; Merck, Peru; Merck, Portugal; Merck S.L., Spain
• Eutroxsig
  Aspen Pharmacare, Australia
• Forthyron [veterinary use]
  Albrecht, Germany; Dechra, Norway; Eurovet Animal Health, Belgium; Eurovet Animal Health BV, United Kingdom; Selectavet, Germany
• Forthyron 200 µg für Hunde [veterinary use]
  Eurovet Animal Health, Austria
• Forthyron 200 microgram voor honden [veterinary use]
  Eurovet Animal Health, Netherlands
• Forthyron 200 mikrogramow dla psow For dogs [veterinary use]
  Eurovet Animal Health, Poland
• Forthyron 400 µg für Hunde [veterinary use]
  Eurovet Animal Health, Austria
• Forthyron 400 microgram voor honden [veterinary use]
  Eurovet Animal Health, Netherlands
• Forthyron 400 mikrogramow dla psow For dogs [veterinary use]
  Eurovet Animal Health, Poland
• Forthyron 600 microgram voor honden [veterinary use]
  Eurovet Animal Health, Netherlands
• Forthyron 600 mikrogramow dla psow For dogs [veterinary use]
  Eurovet Animal Health, Poland
• Forthyron 800 microgram voor honden [veterinary use]
  Eurovet Animal Health, Netherlands
• Forthyron 800 mikrogramow dla psow For dogs [veterinary use]
  Eurovet Animal Health, Poland
• Forthyron F M pour chiens [veterinary use]
  Dechra Veterinary Products, France
• Forthyron F S pour chiens [veterinary use]
  Dechra Veterinary Products, France
• Forthyron F XL pour chiens [veterinary use]
  Dechra Veterinary Products, France
• Forthyron Smak [veterinary use]
  Dechra, Finland; Dechra, Sweden
• Goldshield Levothyroxine
  Goldshield Pharmaceuticals, Hong Kong
• Jaroxin
  Jayson, Bangladesh
• Jodthyrox [+ Potassium Iodide]
  Merck, Austria; Merck, Czech Republic; Merck, Poland; Merck Serono, Germany
• Karet
  Armstrong Laboratorios de Mexico, Mexico
• L Thyroxine SERB
  SERB Laboratoires, France
• Letrox
  Berlin Chemie, Bosnia & Herzegowina; Berlin-Chemie, China; Berlin-Chemie, Czech Republic; Berlin-Chemie, Croatia (Hrvatska); Berlin-Chemie, Macedonia; Berlin-Chemie/ Menarini, Poland
• Letrox 100
  Berlin-Chemie, Serbia
• Letrox 100 µg
  Berlin-Chemie, Hungary
• Letrox 125 µg
  Berlin-Chemie, Hungary
• Letrox 150
  Berlin-Chemie, Serbia
• Letrox 50
  Berlin-Chemie, Serbia
• Letrox 50 µg
  Berlin-Chemie, Hungary
• Letrox 75 µg
  Berlin-Chemie, Hungary
• Letter
  Sanofi, Portugal
• Levaxin
  Sanolabor, Slovenia; Takeda, Norway; Takeda Pharma, Sweden; Takeda Pharma A/S, Iceland
• Leventa [veterinary use]
  Intervet, Belgium; Intervet, United Kingdom; Intervet, Netherlands; Intervet, Sweden; Intervet Ireland, Ireland; MSD, New Zealand; MSD Animal Health, Switzerland; MSD Santé Animale Intervet, France
• Levo-4
  Rafarm, Greece
• Levoid
  Aché, Brazil
• Levolet
  Hamad, Bahrain
• Levothyrox
  Merck KGaA, Vietnam; Merck Serono, France
• Levothyroxine
  Actavis, Indonesia; Actavis UK, United Kingdom; Actavis UK, Malta; APP, Hong Kong; Boucher & Muir, New Zealand; Colonis Pharma, United Kingdom; Concordia, United Kingdom; Jensonr Plus, United Kingdom; Teva, Malta; Wockhardt UK, United Kingdom
• Levothyroxine - ZhongLian Pharm
  ZhongLian Pharm, China
• Levothyroxine Actavis
  Actavis, Hong Kong
• Lévothyroxine Biogaran
  Biogaran, France
• Levothyroxine Mercury Pharma
  Mercury, Malta
• Levothyroxine natrium Uni-Pharma
  Uni-Pharma, Netherlands
• Levothyroxine P & D
  P & D, Malta
• Levothyroxine Sodium
  EMD Serono, United States; Fresenius Kabi, United States; Mylan, United States; Par Pharmaceutical, United States
• Levothyroxine Sodium Fresenius Kabi
  Fresenius Kabi Canada, Canada
• Levothyroxine Sodium Vale
  Vale Pharmaceuticals, Poland
• Levothyroxine Teva
  Teva Pharmaceuticals, Poland
• Levothyroxine Wockhardt
  Wockhardt, Malta
• Levothyroxine-Humanity
  Par, Georgia
• Levothyroxinenatrium Teva
  Teva Nederland, Netherlands
• Levotiroteg
  Laboratorio Tecnoquímicas, Guatemala; Laboratorio Tecnoquímicas, Honduras; Laboratorio Tecnoquímicas, El Salvador
• Levotirox Lafedar
  Lafedar, Argentina
• Levotiroxina
  ADN Pharma, Mexico
• Levotiroxina Fabra 100
  Fabra, Argentina
• Levotiroxina GlaxoSmithKline
  GlaxoSmithKline, Paraguay
• Levo-tiroxina GlaxoSmithKline
  GlaxoSmithKline, Argentina
• Levotiroxina MK
  MK, Colombia
• Levotiroxina Norpharm
  Norpharm, Italy
• Levotiroxina Sanofi
  Sanofi-Aventis, Spain
• Levotiroxina Sodica 100 Gramon Bago
  Gramón Bagó, Uruguay
• Levotiroxina Sodica 150 Gramon Bago
  Gramón Bagó, Uruguay
• Levotiroxina Sodica 50 Gramon Bago
  Gramón Bagó, Uruguay
• Levotiroxina Sodica Andromaco
  Laboratorios Andromaco, Chile
• Levotiroxina Sodica L.CH.
  Chile S.A., Paraguay; Laboratorio Chile, Chile
• Levotiroxina Sódica Merck
  Merck, Brazil
• Levotiroxina Sodica Ratiopharm
  Ratiopharm, Spain
• Levotiroxina Sódica Ratiopharm
  Ratiopharm, Portugal
• Levotiroxina Sodica Teva
  Teva, Spain
• Levoxyl
  King Pharmaceuticals, United States
• L-Thyrox HEXAL
  Hexal, Germany
• L-Thyrox Jod HEXAL [+ Potassium Iodide]
  Hexal, Germany
• L-Thyroxin - 1 A Pharma
  1 A Pharma, Germany
• L-Thyroxin 100 Berlin-Chemie
  Berlin-Chemie AG, Bulgaria
• L-Thyroxin 150 Berlin-Chemie
  Berlin-Chemie AG, Bulgaria
• L-Thyroxin 50 Berlin-Chemie
  Berlin-Chemie AG, Bulgaria
• L-Thyroxin 75 Berlin-Chemie
  Berlin-Chemie AG, Bulgaria
• L-Thyroxin AL
  Aliud Pharma, Germany
• L-Thyroxin Aristo
  Aristo Pharma, Germany
• L-Thyroxin Aventis
  Sanofi, Germany
• L-Thyroxin Berlin
  Berlin-Chemie, Latvia
• L-Thyroxin Berlin-Chemie
  Berlin-Chemie, Estonia; Berlin-Chemie, Georgia; Berlin-Chemie, Lithuania; Berlin-Chemie, Slovakia
• L-Thyroxin beta
  Betapharm, Germany
• L-Thyroxin Henning
  Henning Berlin, Germany; LENIS, Slovenia
• L-Thyroxin Henning 100
  Henning Berlin, Germany
• L-Thyroxin Henning 100 µg
  Sanofi-Aventis, Hungary
• L-Thyroxin Henning 100 plus [+ Potassium Iodide]
  Henning Berlin, Germany
• L-Thyroxin Henning 125
  Henning Berlin, Germany
• L-Thyroxin Henning 150
  Henning Berlin, Germany
• L-Thyroxin Henning 175
  Henning Berlin, Germany
• L-Thyroxin Henning 200
  Henning Berlin, Germany
• L-Thyroxin Henning 25
  Henning Berlin, Germany
• L-Thyroxin Henning 50
  Henning Berlin, Germany
• L-Thyroxin Henning 50 µg
  Sanofi-Aventis, Hungary
• L-Thyroxin Henning 50 plus [+ Potassium Iodide]
  Henning Berlin, Germany
• L-Thyroxin Henning 75
  Henning Berlin, Germany
• L-Thyroxin Jod - 1A-Pharma [+ Potassium Iodide]
  1 A Pharma, Germany
• L-Thyroxin Jod Winthrop [+ Potassium Iodide]
  Zentiva Pharma, Germany
• L-Thyroxin Winthrop
  Zentiva Pharma, Germany
• L-Thyroxin-CT
  AbZ-Pharma, Germany
• L-Thyroxine
  Takeda Belgium, Belgium; IFET, Greece
• L-Thyroxine [veterinary use]
  Aesculaap, Netherlands
• L-Thyroxine Sandoz
  Sandoz, Lithuania
• L-Thyroxine SERB
  SERB Laboratoires, France
• L-Thyroxin-Na AbZ
  AbZ-Pharma, Germany
• L-Thyroxin-Na-CT
  AbZ-Pharma, Germany
• L-Thyroxin-Na-ratiopharm
  ratiopharm, Germany
• Medithyrox
  Intermed, Greece
• Mercury Pharma Levothyroxine
  Mercury Pharma, Hong Kong
• Nei Zhang Qing [+ Liothyronine]
  Wujing Medicine, China
• Novothyral [+ Liothyronine]
  Merck, Austria; Merck, Switzerland; Merck, Chile; Merck, Poland; Merck, Slovakia; Merck KGaA, Romania
• Novothyral 100 [+ Liothyronine]
  Merck, Luxembourg; Merck Serono, Germany
• Novothyral 75 [+ Liothyronine]
  Merck, Luxembourg; Merck Serono, Germany
• Novotiral [+ Liothyronine]
  Merck, Mexico
• Novtirox
  Aspen Pharma, Slovenia
• Oroxin
  Aspen, Ireland
• Oroxine
  Aspen, Malaysia; Aspen Pharmacare, Australia
• Prothyrid [+ Liothyronine]
  Henning Berlin, Germany; Sanofi, Germany
• Puran T4
  Sanofi-Aventis Farmaceutica, Brazil
• RO
  Milefar, Uruguay
• Soloxine [veterinary use]
  Virbac France, United Kingdom; Virbac S.A., Ireland
• Synthroid
  Abbott, Colombia; Abbott, South Africa; Abbott Laboratorios do Brasil, Brazil; AbbVie, United States; Mylan, New Zealand
• Synthroid 100mcg
  Abbvie, Israel
• Synthroid 50mcg
  Abbvie, Israel
• Synthyroxine
  Dalim, South Korea
• Syntroxine
  IBSA, Czech Republic
• Syntroxine 100 µg
  IBSA, Hungary
• Syntroxine 112 µg
  IBSA, Hungary
• Syntroxine 125 µg
  IBSA, Hungary
• Syntroxine 13 µg
  IBSA, Hungary
• Syntroxine 137 µg
  IBSA, Hungary
• Syntroxine 150 µg
  IBSA, Hungary
• Syntroxine 175 µg
  IBSA, Hungary
• Syntroxine 200 µg
  IBSA, Hungary
• Syntroxine 25 µg
  IBSA, Hungary
• Syntroxine 50 µg
  IBSA, Hungary
• Syntroxine 75 µg
  IBSA, Hungary
• Syntroxine 88 µg
  IBSA, Hungary
• T4
  Uni-Pharma Kleon Isetis, Cyprus
• T4 Bago
  Bago, Paraguay
• T4 Montpellier
  Montpellier, Argentina
• T4 Montpellier 100
  Montpellier, Argentina
• T4 Montpellier 112
  Montpellier, Argentina
• T4 Montpellier 125
  Montpellier, Argentina
• T4 Montpellier 137
  Montpellier, Argentina
• T4 Montpellier 150
  Montpellier, Argentina
• T4 Montpellier 175
  Montpellier, Argentina
• T4 Montpellier 200
  Montpellier, Argentina
• T4 Montpellier 25
  Montpellier, Argentina
• T4 Montpellier 50
  Montpellier, Argentina
• T4 Montpellier 75
  Montpellier, Argentina
• T4 Montpellier 88
  Montpellier, Argentina
• T4 Pharmetica
  Pharmetica, Paraguay
• T4-Bago
  Laboratorio Bago, Chile; Bago, Peru
• Tamidan
  Actavis International, Vietnam
• Tecuatro 100mcg
  Dispert, Uruguay
• Tecuatro 125mcg
  Dispert, Uruguay
• Tecuatro 150mcg
  Dispert, Uruguay
• Tecuatro 200mcg
  Dispert, Uruguay
• Tecuatro 25mcg
  Dispert, Uruguay
• Tecuatro 50mcg
  Dispert, Uruguay
• Tecuatro 75mcg
  Dispert, Uruguay
• Tefor
  VLD, Turkey
• TevaThyrox
  Teva, Bulgaria
• Tezarin
  World Medicine, Georgia
• Thevier
  Aspen Pharma Trading Limited, Netherlands
• Thevier 100
  Aspen Pharma, Germany
• Thydin
  MedChoice, Philippines
• Thyforon [veterinary use]
  Eurovet Animal Health, Ireland; Eurovet Animal Health BV, United Kingdom
• Thynor
  Eskayef, Bangladesh
• Thyrax
  Aspen, Philippines; Aspen, Portugal; Organon, Venezuela; Quamed, Indonesia
• Thyrax Duotab
  Aspen Pharma Trading Limited, Netherlands
• Thyrex 100 µg
  Sandoz, Austria
• Thyrex 125 µg
  Sandoz, Austria
• Thyrex 160 µg
  Sandoz, Austria
• Thyrex 25 µg
  Sandoz, Austria
• Thyrex 50 µg
  Sandoz, Austria
• Thyrex 75 µg
  Sandoz, Austria
• Thyrin
  Square, Bangladesh
• Thyro Canine [veterinary use]
  Lloyd, United States
• Thyro-4
  Angelini Pharma, Greece; Faran Laboratories, Greece
• Thyrobest
  Bestochem, India
• Thyrocare
  Olcare Laboratories, India
• Thyrofix
  Uni-Pharma, Netherlands
• Thyrohormone
  Ni-The, Greece
• Thyrolar
  Acme, Bangladesh
• Thyrolar [+ Liothyronine]
  Forest, United States
• Thyromac 0.1
  Macleods Pharm, Peru
• Thyronajod 100 Henning [+ Potassium Iodide]
  Henning Berlin, Germany; Sanofi, Germany
• Thyronajod 125 Henning [+ Potassium Iodide]
  Henning Berlin, Germany; Sanofi, Germany
• Thyronajod 150 Henning [+ Potassium Iodide]
  Henning Berlin, Germany; Sanofi, Germany
• Thyronajod 50 Henning [+ Potassium Iodide]
  Henning Berlin, Germany; Sanofi, Germany
• Thyronajod 75 Henning [+ Potassium Iodide]
  Henning Berlin, Germany; Sanofi, Germany
• Thyronorm
  Abbott, India
• Thyrorich
  Primus, India
• Thyrosit
  Sriprasit Pharma, Thailand
• Thyrotab
  Ibn Sina, Bangladesh
• Thyrowin
  AHPL, India
• Thyroxal 200 microgram voor honden en katten [veterinary use]
  AST, Netherlands
• Thyroxal 600 [veterinary use]
  AST, Netherlands
• Thyroxanil [veterinary use]
  Le Vet Pharma B.V., United Kingdom; Vetcare, Finland
• Thyroxanil 200μg für Hunde und Katzen For dogs and cats [veterinary use]
  Le Vet, Austria
• Thyroxanil 600μg für Hunde und Katzen For dogs and cats [veterinary use]
  Le Vet, Austria
• Thyroxanil L voor honden en katten [veterinary use]
  Le Vet, Netherlands
• Thyroxanil S voor honden en katten [veterinary use]
  Le Vet, Netherlands
• Thyroxantil vet [veterinary use]
  Le Vet, Estonia; Le Vet, Iceland
• Thyroxin
  Orion Pharma, Finland
• Thyroxine Actavis
  Actavis, Hong Kong
• Thyroxine for Dogs and Cats [veterinary use]
  Apex Laboratories, Australia
• Thyroxine Oral for Dogs [veterinary use]
  Apex Laboratories, Australia
• Thyroxine-Lam Thong
  Lam Thong, Thailand
• Tiracrin
  Geymonat, Italy
• Tiroide Amsa [+ Liothyronine]
  AMSA, Italy
• Tiroidine
  Sanofi-Aventis, Mexico
• Tirosint
  AMSA, Italy; IBSA, Slovakia; IBSA, United States; IBSA Farmaceutici Italia Srl., Greece; IBSA Scandinavia, Denmark; Proton Pharma, Greece
• Tirosint 100mcg
  IBSA, Switzerland
• Tirosint 112mcg
  IBSA, Switzerland
• Tirosint 125mcg
  IBSA, Switzerland
• Tirosint 137mcg
  IBSA, Switzerland
• Tirosint 13mcg
  IBSA, Switzerland
• Tirosint 150mcg
  IBSA, Switzerland
• Tirosint 175mcg
  IBSA, Switzerland
• Tirosint 200mcg
  IBSA, Switzerland
• Tirosint 25mcg
  IBSA, Switzerland
• Tirosint 50mcg
  IBSA, Switzerland
• Tirosint 75mcg
  IBSA, Switzerland
• Tirosint 88mcg
  IBSA, Switzerland
• Tiroxin
  Siegfried, Colombia
• Tivoral
  Galenika, Bosnia & Herzegowina; Galenika AD, Serbia
• Tyroid
  ACI, Bangladesh
• Unithroid
  Jerome Stevens Pharmaceuticals, United States
• Wethyrox [veterinary use]
  WDT, Germany
• Wolarex
  Teva Pharmaceuticals, Poland
• You Xian
  Kangpu Pharmaceutical, China
• Ze Ning
  Sichuan Hairong Pharmaceutical Co., Ltd, China
• Eferox Jod [+ Potassium Iodide]
  Aristo Pharma, Germany
• Eltroxin
  Aspen Oss, Netherlands
• Leventa [veterinary use]
  MSD, Germany; MSD Animal Health, Italy; Selectavet, Germany
• Levothyroxine CF
  Centrafarm, Netherlands
• Levothyroxine Na Sandoz
  Sandoz, Japan
• Levothyroxine Nycomed
  Takeda Nederland, Netherlands
• Levothyroxine Sodium
  Fera Pharmaceuticals, United States
• Levothyroxine Stada
  STADA Nordic, Sweden
• L-Thyroxin Henning 75 plus [+ Potassium Iodide]
  Henning Berlin, Germany
• L-Thyroxin Jod Aristo [+ Potassium Iodide]
  Aristo Pharma, Germany
• L-Thyroxine-Christiaens 100mcg
  Takeda, Luxembourg
• L-Thyroxine-Christiaens 125mcg
  Takeda, Luxembourg
• L-Thyroxine-Christiaens 150mcg
  Takeda, Luxembourg
• L-Thyroxine-Christiaens 175mcg
  Takeda, Luxembourg
• L-Thyroxine-Christiaens 200mcg
  Takeda, Luxembourg
• L-Thyroxine-Christiaens 25mcg
  Takeda, Luxembourg
• L-Thyroxine-Christiaens 50mcg
  Takeda, Luxembourg
• L-Thyroxine-Christiaens 75mcg
  Takeda, Luxembourg
• Oroxine
  Aspen, Sweden
• Synthroid
  BGP Pharma, Canada
• Thevier 50
  Aspen Pharma, Germany
• Thyradin S
  ASKA Seiyaku Asuka, Japan
• Thyradin S 0.01%
  ASKA Seiyaku Asuka, Japan
• Thyrofix
  Uni-Pharma, Sweden
• Tirosint
  IBSA, Netherlands

Glossary

Further information on drug naming conventions: International Nonproprietary Names.

Important Notice: The Drugs.com 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

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Medical Disclaimer