Flomax MR (Tamsulosin)

Prescription medicineOnly Available By Prescription
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Strength Pack Size Qty
Strength
CR 0.4mg
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Strength
SR 0.4mg
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What if I find a lower price with another pharmacy?

We guarantee the lowest price on all of our prescription products. If you find your medications cheaper at any other recognized licensed mail order pharmacy, we will not only match their price, we will beat it by 25% of the difference. It is our 125% price match guarantee!

Example: If you find a product on Canada Drugs Direct for $50.00 and find the same product for $40.00 at another mail order pharmacy, we will provide you with a $12.50 discount, bringing your total to $37.50.

To get the discount please make sure to mention the price match to the customer service team when they call to collect payment for your order. Or call toll free at 1-888-904-8467 to place the order through the phone.

Terms & Conditions of Program

  • Guaranteed lowest price is only valid at the time of sale.
  • We will only match the current advertised price.
  • Products must be identical and in stock at the time of placing an order with a licensed mail order pharmacy. They must be an online Canadian pharmacy with an address in Canada.
  • Products must be authentic in brand and size (same manufacturer, same country of manufacture, same pack size, same strength and same quantity).
  • Products must be new. We cannot match the price of any used, short expiry or expired product.
  • Price match can only be issued over the phone with our customer service team. Please note at this time we cannot offer price matching for the products Ozempic or Saxenda.
What is a Generic Drug?

A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.

The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.

Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.

Description

Flomax MR is a modified-release (MR) medication used primarily to treat the symptoms of benign prostatic hyperplasia (BPH), a condition characterized by an enlarged prostate. Symptoms include frequent urination, painful urination, weak urine stream, incontinence, and loss of urine control.

Flomax MR belongs to a class of drugs known as alpha-1 adrenergic blockers. These drugs work by relaxing the muscles in bladder and prostate, which improves urine flow and lessens the symptoms of BPH like difficulty starting urination, weak stream, and the need to urinate frequently or urgently.

Fact Table
Formula C20H28N2O5S
License FDA approved
Bioavailability 90-100% (oral administration)
Legal status Prescription only
Chemical Name 5-[(2R)-2-[[2-(2-Ethoxyphenoxy)ethyl]amino]propyl]-2-methoxybenzenesulfonamide
Elimination half-life Approximately 9-15 hours
Dosage (Strength) 0.4 mg modified-release capsules
Pregnancy Not applicable; primarily prescribed for men
Brands Flomax, Flomax MR, Urimax, Contiflo MR
Protein binding 94-99%
PubChem CID 129211
MedlinePlus a698012
ChEBI 9390
ATC code G04CA02
DrugBank DB00706
KEGG D08625
Routes of administration Oral

Directions

The usual dosage is 0.4 mg by mouth once daily. Some patients may need a higher dose as prescribed by their doctor.

The capsules should be swallowed whole and not crushed or chewed.

Ingredients

The active ingredient in Flomax MR is tamsulosin extended-release.

Interactions

The most common drug-drug interactions may include:

  • Abiraterone Acetate
  • Alfuzosin
  • Boceprevir
  • Bunazosin
  • Carbamazepine
  • Ceritinib
  • Clarithromycin
  • Cobicistat
  • Conivaptan
  • Dapiprazole
  • Desvenlafaxine
  • Doxazosin
  • Escitalopram
  • Fedratinib
  • Idelalisib
  • Indinavir
  • Itraconazole
  • Ketoconazole
  • Lopinavir
  • Mavacamten
  • Melphalan
  • Moxisylyte
  • Nefazodone
  • Nelfinavir
  • Omaveloxolone
  • Paroxetine
  • Phenobarbital
  • Phenoxybenzamine
  • Phentolamine
  • Posaconazole
  • Prazosin
  • Primidone
  • Ritonavir
  • Saquinavir
  • Sertraline
  • Silodosin
  • Tadalafil
  • Telaprevir
  • Telithromycin
  • Terazosin
  • Tolazoline
  • Trimazosin
  • Urapidil
  • Vardenafil
  • Venlafaxine
  • Voriconazole

Cautions

Flomax MR should be used with caution in patients with a history of low blood pressure or those prone to orthostatic hypotension, a condition where blood pressure drops significantly upon standing.

This medication can cause dizziness and fainting, particularly when first starting treatment or after a dose increase. Patients should avoid driving or operating heavy machinery until they know how Flomax MR affects them.

It is important to inform the doctor of any planned cataract or glaucoma surgery, as tamsulosin can affect pupil dilation during eye surgery.

Side Effects

Common adverse reactions to this drug include:

  • Abnormal ejaculation
  • Asthenia
  • Backache
  • Dizziness
  • Headache
  • Infectious disease
  • Insomnia
  • Rhinitis
  • Retinal detachment (serious)
  • Somnolence
  • Priapism (serious)

References

Flomax [package insert]. Norman, OK: Astellas; November 2009.



IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.

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