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Dutasteride

Dutasteride is an approved active ingredient.

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Hormone replacement medication

Informational only — not medical advice. Ask a doctor or pharmacist; never change a dose on your own.

What it is used for

Dutasteride is a 5 alpha-reductase inhibitor indicated for the treatment of symptomatic benign prostatic hyperplasia (BPH) in men with an enlarged prostate to: improve symptoms, reduce the risk of acute urinary retention, and reduce the risk of the need for BPH-related surgery.

US label

How it works

Common side effects

The most common adverse reactions, reported in ≥1% of subjects treated with dutasteride and more commonly than in subjects treated with placebo, are impotence, decreased libido, ejaculation disorders, and breast disorders.

US label

Who should not take it

. Dutasteride use is contraindicated in women who are pregnant. Patients with previously demonstrated, clinically significant hypersensitivity (e.g., serious skin reactions, angioedema) to dutasteride capsules or other 5 alpha-reductase inhibitors.

US label

Pregnancy and breastfeeding

Dutasteride is contraindicated for use in pregnancy because it may cause harm to the male fetus. Dutasteride is not indicated for use in women.

and Males of Reproductive Potential Infertility Males: The effects of dutasteride 0.5 mg/day on semen characteristics were evaluated in normal volunteers aged 18 to 52 years (n = 27 dutasteride, n = 23 placebo)…

Excerpts from the US prescribing label (public domain), copied without changes.

Interactions

Recorded interactions from open sources (Wikidata, US labels). The list is not complete — ask a pharmacist.

Brand names

United States

Avodart

Canada

Ag-Dutasteride · Apo-Dutasteride · Auro-Dutasteride · Avodart · Jamp Dutasteride · Mint-Dutasteride · Nra-Dutasteride · Pro-Dutasteride · Sandoz Dutasteride · Teva-Dutasteride

Approval status

US Food and Drug Administration
prescription · since 2001
Health Canada
prescription · marketed
First approval anywhere
2001

Codes

ATC
G04CB02
RxNorm CUI
228790
ChEMBL
CHEMBL1200969
PubChem CID
6918296
UNII
O0J6XJN02I
Wikidata
Q424760

Frequently asked questions

What is Dutasteride used for?

Dutasteride is used for: Bald head, Prostate disease, Prostatic hypertrophy, and Prostate neoplasm.

What are the brand names of Dutasteride?

Brand names of Dutasteride include Avodart, Ag-Dutasteride, Apo-Dutasteride, Auro-Dutasteride, Jamp Dutasteride, Mint-Dutasteride, Nra-Dutasteride, and Pro-Dutasteride.

Medicines in the same class

Sources and licences

Updated November 15, 2026