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

In the US, Megestrol (megestrol systemic) is a member of the following drug classes: hormones/antineoplastics, progestins and is used to treat Abnormal Uterine Bleeding, AIDS Related Wasting, Anorexia, Breast Cancer - Palliative, Cachexia, Endometrial Cancer, Endometrial Hyperplasia, Hot Flashes and Weight Loss.

US matches:

UK matches:



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories


Antineoplastic agent

Hormonal contraceptive for systemic use

Chemical Name

Pregna-4,6-diene-3,20-dione, 17-hydroxy-6-metyl-

Foreign Names

  • Megestrolum (Latin)
  • Megestrol (German)
  • Mégestrol (French)
  • Megestrol (Spanish)

Generic Names

  • Megestrol (OS: BAN)
  • Mégestrol (OS: DCF)
  • Megoestrel (IS)
  • Megestrol Acetate (OS: BANM, USAN)
  • BDH 1298 (IS)
  • SC 10363 (IS)
  • Megestrol acetate (PH: Ph. Eur. 8)
  • Megestrol Acetate (PH: BP 2016, USP 38)
  • Megestroli acetas (PH: Ph. Eur. 8)

Brand Names

  • Aike
    Nhwa, China
  • Megace
    Brecon Pharmaceuticals, Serbia; Bristol-Myers Squibb, Lebanon; Bristol-Myers Squibb, Tunisia; Lawrence Laboratories, Serbia
  • Megestrol PharmaSwisse
    PharmaSwiss, Lithuania
  • Megexia
    Farma Group, Italy
  • Megoxi
    PharmaSwiss, Serbia; Polfarmex, Bosnia & Herzegowina
  • Megyrina
    Vipharm, Hungary
  • O'Tentika
    Vipharm, Serbia
  • Varigestrol
    Varifarma, Argentina
  • Ai Nuo Ke
    Xi'an Detian Pharmaceutical Co., Ltd, China
  • Alopectyl (veterinary use)
    Vetoquinol, Netherlands
  • Apetrol ES
    LG Life Sciences, South Korea
  • Apo Megestrol
    Apotex, New Zealand
  • Apo-Megestrol
    Apotex, Canada; Apotex, Hong Kong; Apotex, Singapore
  • Borea
    Onko-Koçsel, Turkey; Rottapharm, Spain
  • Cachexan
    Polfarmex, Poland
  • Canipil (veterinary use)
    Véto-Centre, France
  • Chronopil (veterinary use)
    Ceva, Netherlands
  • De Poezepil (veterinary use)
    A.S.T. farma B.V, Netherlands
  • Dogalact (Megestrol and Danazol (veterinary use))
    Vetoquinol, France
  • Eczederm (veterinary use)
    A.S.T. farma B.V, Netherlands
  • Estropill (veterinary use)
    Intervet, Italy
  • Féliderm (veterinary use)
    Véto-Centre, France
  • Felipil (veterinary use)
    Véto-Centre, France
  • Gestrol
    Lek-AM, Poland
  • Gestroltex
    Pharmatex Italia, Italy
  • Jiadi
    Pharmachemie, China
  • Man Ting
    Watson, China
  • Maygace
    Swedish Orphan, Spain
  • Maygace Altas Dosis
    Bristol Myers Squibb, Spain
  • Megace
    Abeefe Bristol-Myers Squibb, Peru; Aspen, Australia; Bristol Myers Squibb, Latvia; Bristol-Myers Squibb, China; Bristol-Myers Squibb, Czech Republic; Bristol-Myers Squibb, Hong Kong; Bristol-Myers Squibb, Hungary; Bristol-Myers Squibb, Lithuania; Bristol-Myers Squibb, Serbia; Bristol-Myers Squibb, Thailand; Bristol-Myers Squibb, Taiwan; Bristol-Myers Squibb, United States; Deva, Egypt; Deva, Turkey; GlaxoSmithKline, Egypt; PharmaSwiss, Belgium; PharmaSwiss, Greece; PharmaSwiss, Croatia (Hrvatska); PharmaSwiss, Norway; PharmaSwiss, Poland; SOBI, Sweden; Swedish Orphan, Italy; Swedish Orphan Biovitrum, France; Swedish Orphan Biovitrum, United Kingdom; Swedish Orphan Biovitrum Ltd., Ireland
  • Megace ES
    Par Pharmaceutical, Inc., United States
  • Megace OS
    Bristol-Myers Squibb, Canada
  • Megalia
    Vipharm, Poland
  • Megaplex
    Combiphar/Pharmachemie, Indonesia; Pharmachemie, Philippines; Pharmachemie, Taiwan; Pharmachemie/Teva, Thailand; Teva, Czech Republic
  • Megastril
    Hasco-Lek, Poland
  • Megecat (veterinary use)
    Vetoquinol, Belgium; Vetoquinol, Switzerland
  • Mégécat (veterinary use)
    Vetoquinol, France
  • Megefren
    Mylan, Spain
  • Megejohn
    Johnson, Taiwan
  • Mégépil Chat (veterinary use)
    Omega Pharma France vet., France
  • Megerol
    Hanmi, South Korea
  • Megesin
    Actavis, Hong Kong; Actavis, Hungary; Actavis, Romania; Sindan, Slovakia
  • Megestat
    Bristol-Myers Squibb, Brazil
  • Megestil
    Teofarma, Italy
  • Megestoral (veterinary use)
    A.S.T. farma B.V, Netherlands
  • Megestrol Generis
    Generis, Portugal
  • Megestrolacetaat PCH
    Pharmachemie, Netherlands
  • Megostat
    PharmaSwiss, Croatia (Hrvatska)
  • Megoxi
    PharmaSwiss, Croatia (Hrvatska)
  • Mekei
    Panbiotic, Taiwan
  • Mestrol
    Synmosa, Taiwan
  • Mi Tuo Suo
    Wanlian Pharmaceutical, China
  • Ovaban (veterinary use)
    Intervet, United States
  • Ovarid (veterinary use)
    Jurox, Australia; Virbac, United Kingdom; Virbac S.A., Ireland
  • Stromeg
    Doppel, Georgia
  • Suppress (veterinary use)
    Jurox, New Zealand
  • Tracetate
    Fahrenheit, Indonesia
  • Yi Li Zhi
    Gerui Pharmaceutical, China


BANBritish Approved Name
BANMBritish Approved Name (Modified)
DCFDénomination Commune Française
ISInofficial Synonym
OSOfficial Synonym
PHPharmacopoeia Name
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name

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

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