Compare Cardura vs. Rapaflo

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

Cardura
(doxazosin)

Rapaflo
(silodosin)

Lowers blood pressure and makes it easier to urinate. For men, Doxazosin will help make it easier to urinate so that you're not getting up a lot at night. It's a last-choice treatment for high blood pressure.Coming soon.
Find lowest prices
Powered by GoodRxSave on your next prescription. Be sure you’re getting the lowest price for your medication, even if you have insurance.
Coupons for
Prices and coupon for 30 (4mg) tablets of doxazosin
Coupons for
Prices and coupon for 30 (8mg) capsules of silodosin
Reviews & ratings
Filter group. All currently selected
Filter group. All currently selected
3.68Cardura
Reviews for Cardura (doxazosin)
38%
of people (All ages) say Cardura (doxazosin) is worth it
21%
say it works well
18%
say it's a big hassle
101 reviews
Have you used Cardura (doxazosin)?
Worth itNot sureNot worth it

Not enough reviews for this drug. Help someone out, leave a review!

Have you used Rapaflo (silodosin)?
Worth itNot sureNot worth it
Side effects
CarduraRapaflo
  • Dizziness 7%
  • Headache 1%
  • Fatigue 6%
  • Swelling due to excess fluid 2%
  • Drowsiness 2%
  • Nausea 1%
  • Pain 1%
More Cardura side effects »

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

FDA side effect reports for Rapaflo »
How it works
CarduraRapaflo
Doxazosin is a selective alpha blocker. It relaxes the urethra and prostate, which makes it easier to urinate. It also lowers blood pressure by relaxing blood vessels.Coming soon.
Type of medication
CarduraRapaflo
Prescription only
Available as
CarduraRapaflo
  • Pill
  • Extended release
  • Pill
Used for
CarduraRapaflo
  • Benign Prostatic Hyperplasia
Risk factors for serious side effects
CarduraRapaflo
  • Age 65 years or older
    • Cataract surgery
    Detailed Cardura (doxazosin) risks & warnings »
    Coming soon.
    Pregnancy

    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.

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

    Food
    CarduraRapaflo
    • Take the extended release tablet with breakfast.
    No food related info.
    Upsides and benefits
    CarduraRapaflo
    • A first-choice treatment for enlarged prostate. Makes it easier to urinate.
    Coming soon
    Downsides and risks
    CarduraRapaflo
    • A last-choice treatment for high blood pressure because other medicines are more effective at preventing heart disease. Your doctor might add it to a medicine you're already taking if your blood pressure is still too high.
    Coming soon
    Tips from our pharmacists for people taking the medication
    CarduraRapaflo
    • Can cause dizziness or fainting in the first few days.
    • Check your blood pressure 1 week after starting this medicine, and tell your doctor if it hasn't improved.
    • Can cause fatigue or headache.
    • Take the extended release tablet with breakfast.
    • You might need to check your blood pressure from time to time while taking this medicine.
    • If side effects don't go away, talk to your doctor about alternatives.
    Coming soon
    Learn more
    More about CarduraSide effectsReviews & ratingsAlternativesFDA package insert
    Have you used Cardura (doxazosin)?
    Worth itNot sureNot worth it
    More about RapafloSide effectsReviews & ratingsFDA package insert
    Have you used Rapaflo (silodosin)?
    Worth itNot sureNot worth it