Oxymetholone

Oxymetholone, sold under the brand names Anadrol and Anapolon among others, is an androgen and anabolic steroid (AAS) medication which is used primarily in the treatment of anemia. It is also used to treat osteoporosis, HIV/AIDS wasting syndrome, and to promote weight gain and muscle growth in certain situations. It is taken by mouth.

Oxymetholone
Clinical data
Trade namesAnadrol, Anapolon, others
Other namesCI-406; NSC-26198; 2-Hydroxymethylene-17α-methyl-4,5α-dihydrotestosterone; 2-Hydroxymethylene-17α-methyl-DHT; 2-Hydroxymethylene-17α-methyl-5α-androstan-17β-ol-3-one
AHFS/Drugs.comConsumer Drug Information
Pregnancy
category
  • X
Routes of
administration
By mouth
Drug classAndrogen; Anabolic steroid
ATC code
Legal status
Legal status
Pharmacokinetic data
BioavailabilityWell-absorbed
MetabolismLiver
Elimination half-lifeUnknown
ExcretionUrine
Identifiers
  • (2Z,5S,8R,9S,10S,13S,14S,17S)-17-hydroxy-2-(hydroxymethylidene)-10,13,17-trimethyl-1,4,5,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one
CAS Number
PubChem CID
DrugBank
ChemSpider
UNII
KEGG
ChEBI
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard100.006.454
Chemical and physical data
FormulaC21H32O3
Molar mass332.484 g·mol−1
3D model (JSmol)
  • O=C4/C(=C\O)C[C@]1([C@@H](CC[C@@H]2[C@@H]1CC[C@]3([C@H]2CC[C@@]3(O)C)C)C4)C
  • InChI=1S/C21H32O3/c1-19-11-13(12-22)18(23)10-14(19)4-5-15-16(19)6-8-20(2)17(15)7-9-21(20,3)24/h12,14-17,22,24H,4-11H2,1-3H3/b13-12-/t14-,15+,16-,17-,19-,20-,21-/m0/s1 Y
  • Key:ICMWWNHDUZJFDW-DHODBPELSA-N Y
 NY (what is this?)  (verify)

Side effects of oxymetholone include increased sexual desire as well as symptoms of masculinization like acne, increased hair growth, and voice changes. It can also cause liver damage. The drug is a synthetic androgen and anabolic steroid and hence is an agonist of the androgen receptor (AR), the biological target of androgens like testosterone and dihydrotestosterone (DHT). It has strong anabolic effects and weak androgenic effects.

Oxymetholone was first prescribed in 1959 and was introduced for medical use but shortly after was discontinued due its high lipid toxicity in the year 1961. It is used mostly in the United States. In addition to its medical use, oxymetholone is used to improve physique and performance. The drug is a controlled substance in many countries and so non-medical use is generally illicit.

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