Compare Proscar vs. Hytrin

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

Improves prostate symptoms and lowers your urge to urinate.

Proscar (finasteride) reduces prostate size and relieves symptoms of enlarged prostate, but can cause a loss of sexual desire or arousal when you first start taking this medication.

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  • In studies, Proscar (finasteride) improved prostate symptoms during the first year of taking it. This effect continued for another 5 years. Proscar (finasteride) also lowered the need for prostate-related surgery.
  • Improves symptoms, making it easier to urinate.
  • Can be used alone or in combination with doxazosin (Cardura) to further help improve symptoms.
  • Proscar (finasteride) is generally well tolerated. Side effects usually have been mild and temporary.
  • Available as a generic.
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  • You need to take Proscar (finasteride) for at least 6 months before your prostate gets small enough for symptoms to improve.
  • You cannot donate blood while using this drug nor for 1 month after stopping.
  • This drug may increase the risk of a type of prostate cancer.
  • Proscar (finasteride) may lower sperm counts in men, but they remained within the normal range and this side effect was reversible once Proscar (finasteride) was stopped.
  • Although uncommon, some people had sexual side effects that included problems with erection, orgasm, and low sex drive.
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Used for
  • Benign prostatic hyperplasia Hypertension
  • Chronic prostatitis - chronic pelvic pain syndrome Hyperlipidemia Nocturia Oligozoospermia Radiation-induced disorder - Urethritis Spinal cord injury
Dosage forms
  • Pill
  • Pill
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Side effects
10possible side effects
  • Erectile dysfunction
  • Decreased sex drive
  • Low blood pressure upon changes in posture
  • Dizziness
  • Abnormal ejaculation
  • Weakness
  • Abnormal sexual function
  • Headache
  • Drowsiness
  • Enlarged male breasts
See more detailed side effects
The Hytrin (Terazosin) FDA package insert doesn’t have numbers about how common side effects are.
Risks and risk factors
  • Risk during pregnancy and use in children
  • Prostate-specific antigen (PSA) levels
    • Proscar (finasteride) use for 6 months or longer
  • Prostate cancer
    • Men aged 55 years or older
    • Taking 5 mg/day
  • Evaluation for other diseases of the male urinary tract system and the reproductive organs
  • Blood donation
See more detailed risks and warnings
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