⚕️ Prices shown are estimated cash prices for informational purposes only. Always verify with your pharmacy. Not medical advice.

Tamsulosin Price Comparison

0.4mg · 30-count · Men's Health · Brand: Flomax · Generic available

Cheapest Cash Price
$8.19
at Costco · 0.4mg · 30-count
GoodRx Low Est.
$7.13
with discount card
Cash Price by Pharmacy — 0.4mg · 30-count
PharmacyCash PricePer-30-Day Equiv.
Costco Cheapest$8.19$8.19
Walmart$9.28$9.28
Kroger$10.51$10.51
Target$12.06$12.06
Rite Aid$33.24$33.24
CVS$34.78$34.78
Walgreens$37.10$37.10

Brand vs. Generic: Flomax vs. Tamsulosin HCl

The generic form of Tamsulosin (Tamsulosin HCl) contains the same active ingredient and is bioequivalent to the brand. Ask your pharmacist to dispense the generic — it works the same way, typically at a fraction of the brand-name cost.

Brand: Flomax
Varies
brand pricing not tracked separately
Generic: Tamsulosin HCl
$8.19
cheapest at Costco

Tip: In most states, pharmacists can substitute a generic unless your prescriber writes "dispense as written" (DAW).

About Tamsulosin

Tamsulosin (0.4mg) is sold under the brand name Flomax and the generic Tamsulosin HCl. A standard supply tracked here is 30 units at 0.4mg.

Why Do Prices Vary by Pharmacy?

Pharmacy pricing is not regulated in the United States, so retailers set their own cash prices. Large retailers like Walmart and Costco typically offer lower prices on generics because they use prescriptions as a traffic driver. Chain pharmacies like CVS and Walgreens tend to charge more for the same medication.

Men's health medications are frequently taken long-term, making the cost difference between pharmacies add up over time.

What Type of Medication Is Tamsulosin?

Tamsulosin belongs to a class of medications called alpha-1 blockers, used to relax muscles in the prostate and bladder neck to ease urinary symptoms from benign prostatic hyperplasia (BPH). It's usually taken at a consistent time relative to meals to reduce dizziness — ask your pharmacist for the specific administration guidance for your prescription. Alpha-1 blockers can also cause a drop in blood pressure, particularly with the first few doses.

How to Pay Less for Tamsulosin

Shop around. The cheapest pharmacy tracked here (Costco at $8.19) charges meaningfully less than the most expensive option ($37.10). A quick call can save real money.

Ask for the generic. If your doctor prescribed the brand-name Flomax, ask your pharmacist whether a generic is available. In most states, pharmacists can substitute a generic unless the prescriber writes "dispense as written."

Use a discount card. Services like GoodRx, SingleCare, and WellRx can sometimes negotiate prices lower than retail cash. The estimated low price for Tamsulosin is around $7.13.

💡 Tip: Walmart's $4 and $10 generic drug program covers many common generics. Call your local Walmart pharmacy to ask if Tamsulosin is on their list.

Manufacturer Savings Programs

Because Tamsulosin is a generic medication, manufacturer-sponsored copay savings cards — the kind commonly offered for newer, brand-name drugs — generally aren't available for it. Flomax's manufacturer typically doesn't offer a savings card once generic competition exists, though it's worth checking their site directly if your prescriber specifically writes for the brand product. For most patients filling the generic, the discount-card and pharmacy membership options described above are the more realistic way to lower cost.

Does Insurance Cover Tamsulosin?

Coverage depends on your specific plan and formulary. Most medications in this category are covered under standard health insurance, typically in Tier 1 or Tier 2. If your copay is higher than the cash price above, it may be cheaper to pay out of pocket — ask your pharmacist to compare. Tamsulosin is an inexpensive, widely covered generic and is rarely subject to prior authorization.

About This Price Data

Prices shown are estimated retail cash prices modeled from CMS's public NADAC (National Average Drug Acquisition Cost) dataset, cross-referenced against typical major-chain retail markups. Actual prices vary by location and change frequently. RxCostCheck does not collect or sell your health data. Learn more →

Frequently Asked Questions

How much does Tamsulosin cost without insurance?

Without insurance, Tamsulosin (0.4mg) ranges from $8.19 at Costco to $37.10 at Walgreens. With a discount card, the price can be as low as $7.13.

Where is the cheapest place to fill Tamsulosin?

Costco typically offers the lowest estimated cash price at $8.19 for 30 0.4mg.

Is there a generic for Tamsulosin?

Yes — the generic Tamsulosin HCl is available and bioequivalent to Flomax. Ask your pharmacist to dispense the generic to save money.

What if my insurance doesn't cover Tamsulosin at all?

Ask your prescriber whether a covered therapeutic alternative in the same drug class exists, or ask your pharmacist about a formulary exception or medical-necessity appeal — some plans will cover an otherwise-excluded drug once that documentation is on file. In the meantime, the cash and discount-card pricing shown above is usually the fastest fallback.

Does a 90-day supply of Tamsulosin cost less than three 30-day fills?

Often, yes — many pharmacies and insurance plans price a 90-day fill at a lower effective per-dose cost than separate 30-day fills, and some mail-order pharmacy benefits are built specifically around 90-day supplies. Ask your pharmacist or insurer whether a 90-day option is available for this medication before assuming the count shown above is your only choice.

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