Flomax

(tamsulosin)

3.4/ 5 average rating with 85 reviewsforFlomax
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Makes it easier to urinate.

Skip Upsides & Downsides section. Skip to side effects section.

Our bottom line

Flomax (tamsulosin) is a good treatment for an enlarged prostate if medical treatment is needed, but it can reduce your sex drive and takes time to kick in.

Quick facts about Flomax
  • Drug class: Men's health
  • Rx status: Prescription only
  • Generic status: Lower-cost generic available (tamsulosin)
Prices and discounts
Lowest price for 30 0.4mg capsules
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$11.34
  • Price before coupon
    $85.99
  • Lowest price with coupon
    $11.34
    87% savings

Upsides

  • Flomax (tamsulosin) works just as well as similar medications but with fewer and less severe side effects.
  • Helps make urinating easier.
  • Available in generic.
  • Also available in a combination form with another medication to treat severe symptoms of enlarged prostate.
  • Simple once daily dosing.

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What to expect from Flomax, on one page

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People’s experience with Flomax

85reviews so far. What do you think?

Downsides

  • Flomax (tamsulosin) only treats the symptoms of enlarged prostate. It doesn't make the prostate smaller or stop it from getting bigger.
  • Has to be taken at the same time every day.
  • It can take up to one month to see the full effects of Flomax (tamsulosin).
  • 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.

Get the newsletter!

Sign up and get Pill Talk, the latest in health & medicine news from Iodine

Get our free fact sheet

What to expect from Flomax, on one page

Download Fact Sheet
Prices and discounts
Lowest price for 30 0.4mg capsules
Determining your location...
$11.34
  • Price before coupon
    $85.99
  • Lowest price with coupon
    $11.34
    87% savings
How it works

Flomax (tamsulosin) is an alpha-1 blocker. It specifically targets and relaxes muscles in your prostate, which makes it easier to urinate.

Quick facts about Flomax
  • Drug class: Men's health
  • Rx status: Prescription only
  • Generic status: Lower-cost generic available (tamsulosin)

Used for

  • Enlarged prostate (BPH)
  • Improve urine flow due to nerve issues, radiation therapy, and bladder outlet blockage
  • Promote kidney stone passage

Dosage forms

  • Pill
People’s experience with Flomax

85reviews so far. What do you think?

What to expect when you take Flomax (tamsulosin) for Enlarged Prostate (BPH)

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Skip side effects section. Skip to risks and warnings section.

Side effect rates for Flomax (tamsulosin)

From 995 clinical trials of Flomax when taken for enlarged prostate (0.4 mg)
  • Headache
  • Dizziness
  • Runny nose/ nasal congestion
  • Infection
  • Weakness
  • Abnormal ejaculation
  • Back pain
  • Sore Throat
  • Diarrhea
  • Chest pain

Risks and Warnings for Flomax (tamsulosin)

Skip risks section. Skip to common concerns section.
    • Higher risk if:
    • Taking medications for high blood pressure

    Especially when you first starting taking Flomax (tamsulosin), you can experience a sudden drop in blood when you get up from sitting or lying down. Symptoms include feeling lightheaded or dizzy after stand up, weakness, blurry vision, fainting, nausea, and confusion. Your body should adjust to it after the first few days. Always get up slowly to help avoid this.

Common concerns from people taking Flomax (tamsulosin)

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Pain
  • Can cause dizziness, muscle pain, headache, stuffy/runny nose and low blood pressure. Get up slowly when sitting or lying down to avoid feeling dizzy or fainting.
Sex
  • Reviewed Flomaxon 6/23/2016No ejaculate. Erection problems.
    70
    Man
    Enlarged prostate
Sleep
  • Reviewed Flomaxon 8/24/2016Caused drowsiness and congestion
    45
    Man
    Enlarged prostate