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Dienogest

Progestogen · Endometriosis treatment

Also known as Zalkya

ProgestogenEndometriosis treatment
CDSCO approved
EXCRETION
not curated
INTERACTIONS
12 major
SEVERE in our sources
PREGNANCY
not curated
Top interactionssee all 12
  • BexaroteneSevereDatabaseDDInter
  • BoceprevirSevereDatabaseDDInter
  • BosentanSevereDatabaseDDInter
  • BrigatinibSevereDatabaseDDInter

Mechanism

Dienogest is a nortestosterone derivative that has a progestogenic effect in the uterus, reducing the production of estradiol and thereby suppressing endometriotic lesions.

Indications

Endometriosis

Dosing

Adult
2 mg orally once daily for females of childbearing potential. If one or more tablets are missed, or if vomiting and/or diarrhoea occurs within 3–4 hours of taking a tablet, another tablet should be taken as soon as possible and the next dose taken at the normal time.
Hepatic adjustment
Avoid in severe impairment (no information available).

Contraindications

  • Severe hepatic impairment

Pregnancy & lactation

Lactation

Manufacturer advises avoid—present in milk in animal studies.

Drug interactions

Bexarotene
Severe
Database

Drug interaction classified as: metabolism

Source: DDInter

Boceprevir
Severe
Database

Drug interaction classified as: metabolism

Source: DDInter

Bosentan
Severe
Database

Drug interaction classified as: metabolism

Source: DDInter

Brigatinib
Severe
Database

Drug interaction classified as: metabolism

Source: DDInter

Carbamazepine
Severe
Database

Drug interaction classified as: antagonism

Source: DDInter

Dabrafenib
Severe
Database

Clinical effect not specified

Source: DDInter

Encorafenib
Severe
Database

Clinical effect not specified

Source: DDInter

Eslicarbazepine
Severe
Database

Clinical effect not specified

Source: DDInter

Felbamate
Severe
Database

Clinical effect not specified

Source: DDInter

Fosamprenavir
Severe
Database

Clinical effect not specified

Source: DDInter

Fosphenytoin
Severe
Database

Clinical effect not specified

Source: DDInter

Griseofulvin
Severe
Database

Clinical effect not specified

Source: DDInter

Other Progestogen drugs

Ask House about Dienogest

Continue into a citation-backed clinical answer with the drug context already attached.

Sources: Katzung, BNF, Nelson·Verified: 2026-05-10 · House clinical team