Norethandrolone, sold under the brand names Nilevar and Pronabol among others, is an androgen and anabolic steroid (AAS) medication which has been used to promote muscle growth and to treat severe burns, physical trauma, and aplastic anemia but has mostly been discontinued.It is still available for use in France however.It is taken by mouth.
Norethandrolone has been used in the treatment of muscle wasting,patients with severe burns, after severe trauma, and for certain forms of aplastic anemia among other indications.
Side effects of norethandrolone include symptoms of masculinization like acne, increased hair growth, voice changes, and increased sexual desire.It can also cause estrogenic effects like fluid retention, breast tenderness, and breast enlargement in men and 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 relative to its androgenic effects.The drug also has strong progestogenic effects.