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Tamsulosin Hcl Capsule — prescription drug image

Tamsulosin Hcl

Tamsulosin HCl 0.4MG

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What is Tamsulosin Hcl?

Flomax is used to treat men who have an enlarged prostate. The generic version of Flomax is Tamsulosin. The average Flomax price is about $256 for a supply of 30, 0.4 mg capsules. You can use our Single Care savings offer to get an average Flomax discount of up to 80% off of the retail price at participating pharmacies near you.

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What is Tamsulosin Hcl ?

Flomax is used to treat men who have an enlarged prostate. The generic version of Flomax is Tamsulosin. The average Flomax price is about $256 for a supply of 30, 0.4 mg capsules. You can use our Single Care savings offer to get an average Flomax discount of up to 80% off of the retail price at participating pharmacies near you.
  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
  • Blistering, peeling, red skin rash
  • Lightheadedness, dizziness, fainting
  • Painful, prolonged erection of your penis
  • Keep all medicine out of the reach of children. Never share your medicine with anyone.
  • Tell your doctor if you have kidney disease, liver disease, low blood pressure, prostate cancer, or an allergy to sulfa drugs.
  • Tell your doctor if you plan to have cataract or glaucoma surgery. This medicine may cause eye problems during surgery.
  • This medicine may make you dizzy or lightheaded. Do not drive or do anything else that could be dangerous until you know how this medicine affects you. Stand or sit up slowly if you feel dizzy.
  • Your doctor will check your progress and the effects of this medicine at regular visits. Keep all appointments.
What is tamsulosin (Flomax) used for?
Tamsulosin is FDA-approved to treat the symptoms of benign prostatic hyperplasia (BPH), or an enlarged prostate, in men. It eases problems like difficulty starting urination, a weak stream, dribbling, incomplete emptying, and frequent or urgent urination by relaxing muscle in the prostate and bladder neck to improve urine flow. It does not shrink the prostate and is not used to treat high blood pressure.
How long does it take for tamsulosin to start working?
Many men notice some improvement in their urinary symptoms within a few days to a couple of weeks of starting tamsulosin, though it may take longer to feel the full benefit. Take it exactly as your provider prescribes, and let them know if your symptoms do not improve.
What are the most common side effects of tamsulosin?
Common side effects can include dizziness (especially when standing up), a runny or stuffy nose, and problems with ejaculation. Because tamsulosin can lower blood pressure, some people feel lightheaded or, rarely, faint, particularly with the first dose. Contact your provider if side effects bother you or do not go away, and seek emergency care for a prolonged, painful erection.
Should tamsulosin be taken in the morning or at night?
Tamsulosin is usually taken once a day, about 30 minutes after the same meal each day. Some people take it in the evening. Follow the schedule your provider or pharmacist gives you and try to take it at the same time and with the same meal each day.
Can tamsulosin help pass a kidney stone?
Doctors very commonly prescribe tamsulosin off-label as "medical expulsive therapy" to help pass a stone lodged in the lower ureter, because it relaxes muscle in the urinary tract. This is not an FDA-approved use, so whether it is appropriate for you is a decision for your provider based on the size and location of the stone.
How much does Tamsulosin Hcl cost without insurance?
The price of Tamsulosin Hcl without insurance varies by pharmacy, dosage, and quantity. Rx.com compares cash prices at more than 60,000 US pharmacies so you can find the lowest price near you. Many people save up to 72% off retail prices with a free Rx.com coupon.
What are the common side effects of Tamsulosin Hcl?
Common side effects of Tamsulosin Hcl may include: Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing, Blistering, peeling, red skin rash, Lightheadedness, dizziness, fainting, Painful, prolonged erection of your penis. This is not a complete list — consult your pharmacist or doctor for full side effect information.
Is there a generic version of Tamsulosin Hcl?
Generic versions may be available for Tamsulosin Hcl. Generics contain the same active ingredients as brand-name drugs and are typically 80–90% cheaper. Search Tamsulosin Hcl on Rx.com to compare generic and brand prices at pharmacies near you.
What is the cheapest pharmacy for Tamsulosin Hcl?
The cheapest pharmacy for Tamsulosin Hcl depends on your location and dosage. Rx.com compares prices at CVS, Walgreens, Walmart, Kroger, Costco, and thousands of independent pharmacies. Enter your ZIP code on Rx.com to find the lowest price for Tamsulosin Hcl near you.

Tamsulosin Hcl Coupons & Prices

Tamsulosin HCl 0.4MG

Prescriptions & Refills
Licensed US providers · Online visit in minutes
Tamsulosin Hcl Capsule — prescription drug image
Prescription
Tamsulosin Hcl 0.4mg (30)
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Looking for a tamsulosin HCl coupon? Tamsulosin hydrochloride is the low-cost generic version of Flomax, an alpha blocker prescribed to ease the urinary symptoms of an enlarged prostate (BPH). Because it is a widely stocked generic, the cash price is usually modest, but what you pay can vary a lot from one pharmacy to the next. Rx.com compares live prices across more than 60,000 pharmacies so you can find the lowest price near you. Enter your ZIP above to see today's price and print or show a free discount coupon at the counter.

What is tamsulosin HCl and how does it work?

Tamsulosin hydrochloride is an alpha-1 adrenergic receptor blocker (an "alpha blocker"), sold under the brand name Flomax. It is FDA-approved to treat the signs and symptoms of benign prostatic hyperplasia (BPH), or an enlarged prostate, in men. It can help with difficulty starting urination, a weak stream, dribbling, a feeling of incomplete emptying, and needing to urinate often or urgently.

Tamsulosin works by relaxing the smooth muscle in the prostate and at the neck of the bladder, which makes it easier for urine to flow. It does not shrink the prostate. It is not a medicine for high blood pressure. Doctors also very commonly prescribe it off-label to help pass kidney stones. Only your provider can decide whether tamsulosin is right for you.

Tamsulosin cost without insurance and how to save

Tamsulosin is available as a generic, which usually keeps the cash price low compared with the brand-name Flomax. Even so, the price for the same prescription can differ widely from pharmacy to pharmacy, sometimes by a surprising amount, so it pays to compare before you fill. A free Rx.com discount coupon can be used whether or not you have insurance, and many people find the cash coupon price beats their copay.

We do not list a fixed dollar amount here because prices change and depend on your pharmacy, location, and dose. Enter your ZIP above to see today's price at pharmacies near you and get a coupon to show at the counter. There is no manufacturer savings card for generic tamsulosin.

Tamsulosin alternatives and related medicines

Tamsulosin is one of several medicines used for an enlarged prostate. Other alpha blockers that relax the same muscles include silodosin, alfuzosin, doxazosin, and terazosin. A different class of drugs, the 5-alpha reductase inhibitors finasteride and dutasteride, actually shrink the prostate over time and are sometimes used together with an alpha blocker.

Which option fits you depends on your symptoms, other health conditions, and how you respond, so this is a conversation to have with your provider. If you and your doctor decide on tamsulosin, you can compare prices for it and its brand-name equivalent Flomax on Rx.com to see which costs less near you.

Safety and side effects

Tamsulosin has no boxed warning, but there are things to know. It can cause a drop in blood pressure when you stand up, leading to dizziness or, rarely, fainting, especially with your first dose or after a dose increase, so rise slowly. If you are scheduled for cataract or glaucoma eye surgery, tell your eye surgeon you take or have taken tamsulosin, because it can cause a condition called Intraoperative Floppy Iris Syndrome. A prolonged, painful erection (priapism) is rare but needs emergency care.

Use extra caution combining tamsulosin with erectile-dysfunction drugs such as sildenafil or tadalafil, or with other alpha blockers, because together they can lower blood pressure further. Certain strong interacting medicines should be avoided. Tamsulosin should not be used by anyone with a known allergy to it. This is general information, not medical advice. Tell your provider and pharmacist about all your medicines, and ask them any questions about your own situation.

Sources & accuracy

This Tamsulosin Hcl information was written and reviewed against authoritative U.S. medical sources — MedlinePlus (U.S. National Library of Medicine), DailyMed, and FDA prescribing information — and checked for accuracy. It is provided for education and is not a substitute for professional medical advice.

Verify the official label: Tamsulosin Hcl on DailyMed (FDA)

Reviewed against FDA labeling · Last reviewed July 2026

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