Drug reference

dutasteride-tamsulosin

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Drug class

Genitourinary (Combination(Genitourinary))

Mechanism of action

Dutasteride: Selective inhibitor of type 1 and type 2 isoforms of 5-alpha-reductase. Tamsulosin: Alpha-adrenergic antagonist; blocks alpha-1a adrenergic receptor in smooth muscle of prostate, decreasing bladder neck & urethral resistance.

Common side effects

  • Impotence
  • Ejaculation disorders
  • Dizziness
  • Decreased libido
  • Breast disorders

Contraindications

  • Clinically significant hypersensitivity (eg, serious skin reactions, angioedema, urticaria, pruritus, respiratory symptoms) to dutasteride, other 5 alpha-reductase inhibitors, tamsulosin, or excipients Females who are pregnant

Related conditions

Frequently asked questions

What drug class is dutasteride-tamsulosin?

dutasteride-tamsulosin belongs to: Genitourinary.

How does dutasteride-tamsulosin work?

Dutasteride: Selective inhibitor of type 1 and type 2 isoforms of 5-alpha-reductase. Tamsulosin: Alpha-adrenergic antagonist; blocks alpha-1a adrenergic receptor in smooth muscle of prostate, decreasing bladder neck & urethral resistance.

What are the common side effects of dutasteride-tamsulosin?

Impotence, Ejaculation disorders, Dizziness, Decreased libido, Breast disorders

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