Rapaflo (Silodosin)

Rx Prescription Required

Select your dosage below to view Rapaflo cost and place your order. Save up to 90% and get FREE standard shipping on prescription medication delivered to your door.

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Medically reviewed by Dr. Samuel Maaiah, PharmD

Last updated: April 10, 2024

Dr. Maaiah is a PharmD graduate who has practiced both in pharmaceutical consulting and retail pharmacy. His interests include consulting and the development and approval of new therapeutics. He currently works as a Medical Information Consultant (MIC) and as a retail pharmacist. As a MIC he helps pharmaceutical companies with projects and by consulting as a medical information expert.

When Dr. Maaiah is not working, he enjoys spending time with his family and friends, doing outdoor activities, working out, and reading.

Online Order

How to buy Rapaflo (Silodosin) online?

Rapaflo (Silodosin) can be ordered online through CanadianPharmacyOnline.com or by calling 1-800-828-4489 and speaking to customer support. The chat feature can also be used for support. For more information please visit the “How to Order” page on CanadianPharmacyOnline.com.

Is a prescription required?

Yes, a valid prescription from your doctor is required. Rapaflo (Silodosin) is a prescription medication and can only be sold with a prescription. To process your order, you will need to submit a prescription. The prescription can be emailed ([email protected]), faxed (1-800-416-8019), or uploaded. Alternatively, we can reach out to your doctor to attain a valid prescription if you would like.

What is the maximum amount that can be ordered?

A 3-month supply (90-days) is the maximum amount that can be ordered at one time. Refills are kept on file for future orders. The amount that can be ordered will be based on the directions and quantity indicated on the prescription from your doctor.

Is it safe to order from Canadian Pharmacy Online?

Absolutely. All our partner pharmacies are fully licensed and certified in their respective countries. We ensure that your shopping experience is safe and secure with our Norton Shopping Guarantee. We operate just like your local pharmacy would, with our main priority being to provide you access to safe and affordable prescription medication.

Rapaflo Cost

How much does Rapaflo (Silodosin) cost?

Rapaflo 8mg (Brand) – 30 Capsules 

  • Average US retail price – $326.93
  • Our Price – $70.00

Silodosin 8mg (Generic) – 30 Capsules 

  • Average US retail price – $223.68
  • Our Price – $55.00

At Canadianpharmacyonline.com, we make sure to keep drug prices low.

You can view the Rapaflo (Silodosin) cost savings above with the price comparison of brand and generic Rapaflo (Silodosin) between the average U.S. retail price and Canadian Pharmacy Online price.

What is the lowest price of Rapaflo (Silodosin) per dose?

Lowest Price Per Unit: $1.10/unit for generic Rapaflo (Silodosin) 8 mg tablets

Is this price for Rapaflo (Silodosin) without insurance?

The above listed prices are without insurance. Unfortunately, we cannot accept insurance. However we will give you an official receipt in case it can qualify for a reimbursement from your insurer. We are also unable to adjudicate with U.S. insurance providers.

Why is Rapaflo (Silodosin) cheaper from Canada than the United States?

Drug price in Canada and the United Kingdom are regulated. This differs from the US as it is a free market economy and pharmaceutical suppliers can charge what they deem a product is worth. As a result, we can offer lower prices to our patients as we source medications from these countries. 

Rapaflo Coupon

Is there a coupon for Rapaflo (Silodosin) available?

Yes, we do you have a Rapaflo coupon for an extra discount on your prescription. You can save $10 off your order with coupon code RAPAFLO10. Apply coupon at checkout for instant savings and pay less for your prescription with a minimum $100 order.

Rapaflo Generic

Is there a lower cost generic Rapaflo (Silodosin) available?

Rapaflo (Silodosin) is available as a generic alternative.

How much cheaper is generic Rapaflo (Silodosin)?

Generic Rapaflo (Silodosin) is $31 cheaper than brand Rapaflo at a quantity of 30 capsules. Generic drugs are often 40-60% cheaper than the brand alternative.

What is the difference between brand and generic Rapaflo (Silodosin)?

There is no difference between generic and brand Rapaflo (Silodosin). Generic formulations of medications contain the same active ingredients and meet the same quality, strength, and purity standards as the brand formulation.


Is shipping available to the United States?

Yes. An email notification will be sent to you once the item has been shipped. We ship nationwide across the United States.

Is express shipping available?

If a product of Canada is available then express shipping can be selected with an estimated delivery time of 3-5 business days. You have the option at the checkout page to select the express shipping option ($25) if available for that medication source.

How much does shipping cost?

Standard shipping is free.

Refill Rx

How to refill a prescription?

Refilling your prescription is made easy with Canadian Pharmacy Online. You can sign into your online account and view your previous orders and see which prescriptions we have on file. Placing a refill order online is made simple by accessing the reorder section in your account.

You can also call us and speak to customer support to place a refill. Our live chat is also a great place to connect with us to place a refill order while you are on the go.

Are prescriptions automatically refilled?

We do not automatically refill prescriptions as there can be cases where you are no longer taking the medication, your doctor has changed your dose, etc. However, we provide a friendly refill reminder service. We will kindly notify you by phone or email as to the best time to place a refill order based on your prescription history.

Drug Information

About Rapaflo (Silodosin)

What is Rapaflo (Silodosin)?

Rapaflo (Silodosin) is prescription medication that is classified as an alpha-1 adrenergic receptor antagonist.


What is Rapaflo used for? 

It is used for the treatment of the signs and symptoms of benign prostatic hyperplasia (BPH)

How does it work?

It acts as an antagonist at alpha-1 adrenoreceptors which are located in the prostate, bladder base, bladder neck, prostatic capsule, and prostatic urethra. This antagonism improves urine flow and BPH symptoms.


How do I take Rapaflo (Silodosin)?

Take Rapaflo (Silodosin) as directed by your doctor, with a meal.

What dosages are available?

Rapaflo (Silodosin) is available in brand and generic 4mg and 8mg capsules

What is the recommended dosage?

Generally it is dosed 8mg once daily but take as directed by your doctor.

What is the maximum dosage?

The maximum recommended dosage is 8mg/day.

What if I miss a dose?

Take your dose as soon as you remember, if it is almost time for the next dose wait until then and take a regular dose, do not take an extra dose to make up for a missed dose.

Warnings & Precautions

What should you know before you take Rapaflo (Silodosin)?

Patients starting Rapaflo (Silodosin) may experience postural hypotension with or without dizziness. Patients should exercise caution in regards to driving by first seeing how they are affected by the medication.

Patients with moderate renal impairment CrCl (30-50mL/min) should not exceed 4 mg daily.

Rapaflo (Silodosin) has not been tested in patients with hepatic impairment and as a result should be avoided in these patients.

Patients planning to have cataract surgery should inform their ophthalmologist that they are taking Rapaflo (Silodosin).

Side Effects

What are the side effects of Rapaflo (Silodosin)?

Some common side effects include:

  • Retrograde Ejaculation
  • Dizziness
  • Diarrhea
  • Orthostatic Hypotension
  • Headache
  • Nasopharyngitis
  • Nasal Congestion

Speak to your doctor for a full list of side effects.


Does this medication interact with other drugs, foods, or alcohol?

Rapaflo (Silodosin) is metabolized by CYP3A4 enzymes in the liver so drugs that are inhibitors of CYP3A should not be administered concurrently.

Strong CYP3A inhibitors: Do not use Rapaflo (Silodosin) if you are taking ketoconazole, itraconazole, clarithromycin, nefazodone, nelfinavir, ritonavir, indinavir, and saquinavir.


How should this medication be stored?

Store at room temperature at 25 °C (77 °F)

Pharmacist Tips

  • When starting Rapaflo (Silodosin) it is not uncommon to experience dizziness, these symptoms will likely resolve but it is important to recognize that it may pose risks when operating heavy machinery.
  • For patients that struggle at swallowing capsules, you may carefully open the Rapaflo (Silodosin) capsule and sprinkle the powder inside on a tablespoon of applesauce, this should be swallowed immediately without chewing and followed by an 8oz glass of cool water.
  • For patients planning to get cataract surgery, notify your opthamologist that you are taking Rapaflo (Silodosin).
  • Carcinoma of the prostate and BPH cause many of the same symptoms and can co-exist so it is important to maintain routine examinations while taking Rapaflo (Silodosin).

The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.


Rapaflo Coupon
Use Rapaflo coupon code to get $10 discount. Minimum $100 purchase required. *Coupon codes are one-time use and cannot be combined.

Rapaflo FAQ

Does Rapaflo (Silodosin) shrink the prostate?

No, Silodosin acts to relieve the symptoms of urinary retention associated with BPH. It works by relaxing the smooth muscles in the prostate and bladder to allow for an improvement in urine flow and a reduction in BPH symptoms.

What is the best time of day to take Rapaflo (Silodosin)?

If you have concerns about the dizziness associated with Silodosin, taking it later in the evening with dinner would be the best option as it will minimize the dizziness experience if you are sleeping soon after taking it.

How quickly does Rapaflo (Silodosin) work?

Silodosin starts to relieve symptoms within a few hours.

Does Rapaflo (Silodosin) make you urinate more?

Silodosin works to relieve the urinary retention symptoms associated with BPH, so it does not necessarily make you urinate more, rather makes it easier to urinate.

Does Rapaflo (Silodosin) raise blood pressure?

No, Silodosin actually can decrease your blood pressure, signs of orthostatic hypotension are often found in patients taking this medication. You should talk to your doctor if these symptoms persist or become too bothersome.

The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.