Free delivery on all NHS prescriptions — order now
- Home
- Men's Health
- Benign Prostatic Hyperplasia (BPH)
- Tamsulosin MR
Tamsulosin MR
Images for illustrative purposes only
Tamsulosin MR is an alpha-adrenoceptor antagonist used primarily to treat Benign Prostatic Hyperplasia (BPH) and symptoms of an enlarged prostate by relaxing muscles and significantly improving urinary flow.
- Effectively targets urinary hesitancy and weak stream symptoms
- The modified release formulation ensures a steady release of medication over 24 hours
- Fully licensed medication dispensed by a registered UK pharmacy
- Simple once-a-day oral capsule that fits easily into your morning routine
More information
"Tamsulosin 400mcg modified-release (MR) is frequently prescribed for men experiencing lower urinary tract symptoms (LUTS) caused by an enlarged prostate gland, a condition medically known as Benign Prostatic Hyperplasia. By selectively blocking alpha-1 receptors, this treatment provides effective relief from the feeling of an unemptied bladder and the frequent, urgent need to urinate, allowing for a better quality of life and improved sleep patterns."
— Rachael Clarke MRCPharm MFRPSI FRSPH (GPHC Number: 2061366)
You can buy Tamsulosin MR safely through our streamlined online consultation process, which is reviewed by a UK-registered prescriber to ensure clinical suitability. Once your consultation is approved, your medication is dispensed and shipped directly from our registered pharmacy (GPHC Number: 9011560) in discreet, plain packaging to ensure your privacy at all times.
We offer Tamsulosin 400mcg capsules at competitive rates, providing both value and convenience compared to traditional high-street options. NHS prescriptions are fulfilled at the standard current charge, while private prescription prices vary depending on pack size.
Choose from a range of flexible delivery methods, including tracked and Next Day Delivery, to ensure your treatment arrives exactly when you need it. All orders placed before our daily cut-off time are processed and dispatched the same day, with tracking information provided so you can monitor your parcel from our pharmacy to your doorstep.
Tamsulosin MR is a type of medicine known as an alpha-blocker, specifically designed to manage Benign Prostatic Hyperplasia (BPH) and its associated urinary complications. In the UK, it is the first-line medical recommendation for men with moderate to severe symptoms of an enlarged prostate, as it helps prevent the "garden hose" effect where the prostate squeezes the urethra and restricts urine flow.
The primary active ingredient in this medication is Tamsulosin Hydrochloride (400 micrograms). This compound is a selective antagonist of alpha-1A and alpha-1D adrenoceptors, which are found predominantly in the human prostate, bladder neck and prostatic urethra.
Most men report a significant improvement in their ability to start urinating and a reduction in "nocturia" (waking up at night to pee). While many find the medication life-changing for their daily routine, some users mention a period of adjustment during the first two weeks, where they may feel slightly lightheaded upon standing.
You should always read the Patient Information Leaflet (PIL) provided in your medication pack for a comprehensive list of ingredients and warnings. An electronic version of the Tamsulosin 400mcg MR leaflet can be accessed via the MHRA website for the latest safety updates and manufacturer-specific details.
The mechanism of action involves relaxing the smooth muscle fibres located within the prostate gland and the neck of the bladder. By reducing this muscle tension, Tamsulosin widens the urethral passage, which allows urine to flow more freely and helps the bladder empty more completely, thereby reducing urgency and frequency.
Take one Tamsulosin MR capsule every day, preferably at the same time each day to maintain a consistent level of the medicine in your bloodstream. You should swallow the capsule whole with a glass of water while sitting or standing. Never crush or chew the capsule as this destroys the modified-release mechanism and can lead to side effects.
The standard adult dosage for Tamsulosin is one 400mcg (0.4mg) capsule once daily. According to NICE guidelines, if you are taking this for kidney stones (off-label use), the dosage remains the same, usually for a short duration until the stone has passed or for up to 4 weeks.
| Condition | Standard Dose | Frequency |
|---|---|---|
| Enlarged Prostate (BPH) | 400mcg (0.4mg) | Once Daily |
| Kidney Stones (MET) | 400mcg (0.4mg) | Once Daily |
Common side effects of Tamsulosin may include dizziness and ejaculatory dysfunction (such as retrograde ejaculation, where semen enters the bladder instead of leaving the body). These occur in approximately 10% of users and often improve as your body adjusts to the medication.
- Common: Headache, dizziness, nasal congestion.
- Rare: Fainting (syncope), skin rash, or palpitations.
- Very Rare: Priapism (a painful, long-lasting erection) which requires immediate medical attention.
You should inform your doctor if you are planning cataract surgery, as Tamsulosin can cause a condition called Intraoperative Floppy Iris Syndrome (IFIS). Avoid drinking alcohol while taking this medicine, as it can worsen the blood-pressure-lowering effect and increase your risk of fainting or severe dizziness.
Tamsulosin is often compared to Finasteride, but they work very differently. Tamsulosin relaxes muscles for fast relief, whereas Finasteride shrinks the prostate over several months. In some cases, a combination of both (such as in the brand Combodart) is used to provide both immediate symptom relief and long-term reduction in prostate size.
Should I take Tamsulosin in the morning or at night?
While the NHS traditionally suggests taking it after breakfast, many men find that taking it at night helps them sleep through any initial side effects like dizziness. Consistency is more important than the specific hour, so choose the time that is easiest for you to remember.
How long does Tamsulosin take to work?
Most men begin to notice an improvement in their urine flow within 2 to 5 days of starting the treatment. However, it can take up to 2 to 4 weeks to see the full clinical benefit of the medication.
Does Tamsulosin cause erectile dysfunction?
Tamsulosin does not typically cause impotence or erectile dysfunction. However, it is frequently associated with changes in ejaculation. Unlike medications like Finasteride, Tamsulosin does not affect testosterone levels or libido.
Can Tamsulosin lower blood pressure?
Yes, as an alpha-blocker, Tamsulosin can cause a slight drop in blood pressure, particularly when you stand up quickly (orthostatic hypotension). This is why the first dose is often recommended to be taken before bed.
At Mail My Meds, our content is regularly reviewed by our team of UK medical experts and registered pharmacists to ensure it remains up-to-date, accurate, and reflects the latest NICE and BNF clinical guidelines. We prioritise evidence-based information to help you make informed decisions about your health.

