Compare Avodart vs. Rapaflo

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Avodart (dutasteride)

Prescription only
Improves prostate symptoms and lowers the urgency to urinate.

Avodart (dutasteride) reduces prostate size and relieves symptoms, but can lower sex drive when first starting on it.

No information currently available
  • Avodart (dutasteride) improves prostate symptoms to reduce the need for prostate-related surgery.
  • Most side effects go away after your body gets used to Avodart (dutasteride).
  • Avodart (dutasteride) can be used alone or in combination with Flomax (tamsulosin) to further improve symptoms.
No information currently available
  • Pregnant women or women of childbearing age should avoid exposure to Avodart (dutasteride) from sexual intercourse (use a condom) and blood transfusion.
  • You need to take Avodart (dutasteride) for at least 6 months before your prostate gets small enough for symptoms to improve.
  • Avodart (dutasteride) lowers Prostate-Specific Antigen (PSA) levels and can hide symptoms of prostate cancer.
  • Avodart (dutasteride) may affect sperm in men and their ability to father a child.
No information currently available
Used for
  • Benign prostatic hyperplasia
Dosage forms
  • Pill
  • Pill
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Side effects
2possible side effects
  • Erectile dysfunction
  • Decreased libido
See more detailed side effects
The Rapaflo (Silodosin) FDA package insert doesn’t have numbers about how common side effects are.
Risks and warnings
  • Prostate cancer

    Men age 55 or older

  • Pregnancy risk and fetal harm

    Women of childbearing age

    ...and 1 more risk factors

  • Sexual problems

    Men who are older

    ...and 2 more risk factors

  • Prostate-specific antigen (PSA) levels

    Avodart (dutasteride) use for 3 months or longer

See more detailed risks and warnings
No information currently available