التداخل بين نوريثيستيرون وإيثينيل إستراديول وتريامسينولون

Estrogens, including oral contraceptives: Estrogens may decrease the hepatic metabolism of certain corticosteroids, thereby increasing their effect.

Steroid hormones may be poorly metabolized in patients with impaired liver function.

Antibiotics : There have been reports of pregnancy while taking hormonal contraceptives and antibiotics, but clinical pharmacokinetic studies have not shown consistent effects of antibiotics on plasma concentrations of synthetic steroids.