Compare Hytrin vs. Flomax

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



Coming soon.Makes it easier to urinate. Flomax (Tamsulosin) is a first-choice treatment for enlarged prostate, and it's available as a generic. However, it can cause changes in your sex drive and can take a while to kick in.
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Reviews & ratings
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Reviews for Flomax (Tamsulosin)
+63% vs. Hytrin (Terazosin)
+44% vs. Hytrin (Terazosin)
15% vs. Hytrin (Terazosin)
Side effects

We haven’t found good data for Hytrin side effects.

FDA side effect reports for Hytrin »
  • Inflammation inside the nose 10%
  • Dizziness 7%
  • Cough increased 3%
  • Infection 3%
  • Muscle weakness 3%
  • Back pain 2%
  • Sinus inflammation 2%
  • Drowsiness 2%
  • Nausea 1%
  • Tooth disorder 1%
More Flomax side effects »
How it works
Coming soon.Flomax (Tamsulosin) is an alpha-1 blocker. It specifically targets and relaxes muscles in your prostate, which makes it easier to urinate.
Type of medication
Coming soon.
Alpha blockerPrescription only
Available as
  • Pill
  • Pill
Used for (click to learn more)
  • Benign prostatic hyperplasia Hypertension
Risk factors for serious side effects
Coming soon.
  • Taking medications for high blood pressure
    • Cataract or glaucoma surgery
    • Alcohol use
    • Heavy exercise
    • Hot weather
      Detailed Flomax (Tamsulosin) risks & warnings »
      Pregnancy category
      CFDA pregnancy category (Weigh risks vs. benefits)

      Research studies with animals found harmful effects on unborn babies. It hasn’t been properly studied in humans. The benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

      See the FDA package insert
      BFDA pregnancy category (Probably safe)

      Research studies with animals haven’t found a risk to unborn babies, but it hasn’t been properly studied in humans.

      See the FDA package insert
      No specific alcohol-related info.
      • People on Flomax (Tamsulosin) can be more likely to have heat stroke. Drink plenty of fluids if you're going to be in hot weather, especially if you're going to be exercising or drinking alcohol.
      No specific food-related info.
      • Take this 30 minutes after the same meal every day.
      Kidneys and liver
      No specific kidneys and liver-related info.No specific kidneys and liver-related info.
      No specific sex-related info.
      • Can reduce sex drive.
      • Can cause changes in sex drive.
      • People on Flomax (Tamsulosin) can experience changes in their sex drive. Talk to your doctor if you find this bothers you.
      No specific sleep-related info.No specific sleep-related info.
      No specific weight-related info.No specific weight-related info.
      Upsides and benefits
      Coming soon.
      • First-choice medication for relieving the symptoms of an enlarged prostate.
      • Helps make urinating easier.
      • Available as a generic medication.
      • Also available in a combination form with another medication to treat more severe symptoms of an enlarged prostate.
      • Since it works only on the muscles around the prostate, it has fewer blood pressure and heart-related side effects than other medicines in the same class.
      Downsides and risks
      Coming soon.
      • Has to be taken the same time every day.
      • It can take up to one month to see the full effects of the medication.
      • Can reduce sex drive.
      • Flomax (Tamsulosin) can't be stopped suddenly, so you'll need to talk to your doctor about how to stop taking it safely.
      • It doesn't shrink the size of the prostate.
      Tips from our pharmacists for people taking the medication
      Coming soon.
      • Take this 30 minutes after the same meal every day.
      • Can cause dizziness, muscle pain, headache and stuffy/runny nose.
      • Can cause changes in sex drive.
      • Don't stop taking this medication suddenly without talking to your doctor.
      Learn more
      More about HytrinSide effectsReviews & ratingsFDA package insert
      More about FlomaxSide effectsReviews & ratingsAlternativesFDA package insert