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Flomax, or as it is generically known 'Tamsulosin Hydrochloride tablets', is a medicine that is used to treat urinary problems. It contains the active ingredient tamsulosin, which relaxes the prostate muscles and reduces the contraction of the smooth muscles of the prostate and urethra, allowing urine to flow freely through the urethra and reducing the constant need to urinate. The recommended dose is one capsule a day after breakfast. The capsule should be taken standing or sitting upright (not lying down) and swallowed whole with a glass of water.

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Price Comparison

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Pack Price (£)
Tamsulosin (Generic) [Caps] 400mcg 30 16.00
Tamsulosin (Generic) [Caps] 400mcg 60 28.00
Tamsulosin (Generic) [Caps] 400mcg 90 41.00
Flomaxtra [Tabs] 400mcg 30 31.00
Flomaxtra [Tabs] 400mcg 60 46.00
Flomaxtra [Tabs] 400mcg 90 58.00

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Tamsulosin (Flomax) Tablets for Enlarged Prostate Treatment

Tamsulosin (Flomax) tablets are a widely prescribed treatment for urinary problems caused by an enlarged prostate, also known as benign prostatic hyperplasia (BPH). Also known by the brand name Flomax, this medicine improves urine flow by relaxing the muscles in the prostate and bladder neck, making it easier to pass urine and reducing the constant urge to go.

Many men experience symptoms such as weak urine stream, hesitancy, dribbling, or waking frequently at night to urinate. Tamsulosin tablets target the cause of these problems rather than masking symptoms, offering reliable prostate relief and better day-to-day comfort. You can buy Tamsulosin tablets online from Pharmacy Planet after completing a short online consultation.

What Are Tamsulosin (Flomax) Tablets?

Tamsulosin tablets contain the active ingredient tamsulosin hydrochloride, which belongs to a group of medicines known as alpha blockers. These medicines are commonly used as enlarged prostate treatment in men who experience lower urinary tract symptoms linked to BPH. Tamsulosin tablets are designed to ease urinary obstruction caused by prostate enlargement, allowing urine to pass more freely through the urethra.

Common symptoms treated by Tamsulosin tablets include:

  • Urinary hesitancy or difficulty starting urination.
  • Weak or interrupted urine flow.
  • Dribbling after urination.
  • A frequent or urgent need to urinate, including at night.
  • A feeling that the bladder does not empty fully.

How Do Tamsulosin Tablets Work?

When the prostate becomes enlarged, it squeezes the urethra and slows the flow of urine. Tamsulosin tablets target alpha 1A receptors in the prostate and bladder neck, relaxing the muscles that tighten around the urethra. This opens the urine channel so urine passes more freely, improves weak stream and difficulty starting urination, and reduces urgency and frequent trips to the toilet. Tamsulosin does not shrink the prostate but improves urine flow with regular use.

How to Use Tamsulosin Tablets?

Always take Tamsulosin tablets exactly as prescribed by your pharmacist. The usual dose is one tablet once daily, taken after the same meal each day, preferably after breakfast.

Useful Tips for Best Results:

  • Take your tablet at the same time each day.
  • Swallow the tablet whole with a glass of water.
  • Take the tablet while sitting or standing upright.
  • Do not crush, chew, or open the tablet.
  • Continue taking the medicine even if symptoms improve.

If you miss a dose, take it when you remember unless it is nearly time for the next dose. Do not take two tablets to make up for a missed dose.

Who Can Use Tamsulosin Tablets?

Tamsulosin tablets may be suitable for:

  • Men diagnosed with benign prostatic hyperplasia.
  • Men experiencing moderate to severe BPH symptoms.
  • Men seeking urinary flow improvement without surgery.

Tamsulosin tablets are not suitable for:

  • Women or anyone under 18 years of age.
  • Men allergic to tamsulosin or any tablet ingredients.
  • Men with a history of severe low blood pressure on standing.
  • Men with severe liver problems.

Possible Side Effects of Tamsulosin Tablets

Like all medicines, Tamsulosin tablets can cause side effects, although not everyone experiences them.

Common Side Effects (may affect up to 1 in 10 men):

  • Dizziness
  • Ejaculation problems, including reduced or absent semen

Uncommon Side Effects (may affect up to 1 in 100 men):

  • Headache, irregular heartbeat, dizziness when standing up, constipation or diarrhoea, nausea or vomiting, skin rash or itching, feeling weak or tired

Rare Side Effects (may affect up to 1 in 1,000 men):

  • Fainting, swelling of the hands, feet, lips, tongue, or throat

Very Rare Side Effects:

  • Severe skin reactions, prolonged and painful erection not related to sexual activity, blurred vision or visual disturbance

Seek medical help immediately if you experience severe allergic reactions, breathing difficulties, or sudden swelling of the face or throat.

Why Do People Buy Tamsulosin Tablets for BPH Symptoms?

Tamsulosin tablets are widely chosen because they improve urinary flow and reduce hesitancy, ease pressure caused by an enlarged prostate, reduce night-time urination and urgency, support long-term prostate relief, and offer once-daily dosing for convenience. For men seeking effective BPH medication without surgery, Tamsulosin tablets provide proven symptom control and improved quality of life.

Buy Tamsulosin Tablets Online from Pharmacy Planet

You can buy Tamsulosin tablets online from Pharmacy Planet quickly and discreetly.

  1. Complete a short online consultation.
  2. One of our UK prescribers reviews your answers.
  3. If approved, Tamsulosin tablets are dispensed and delivered to your door.
Tamsulosin (Flomax) Tablets

Tamsulosin (Flomax) tablets treat urinary problems caused by an enlarged prostate (BPH) by relaxing the muscles in the prostate and bladder neck. This improves urine flow, reduces hesitancy, and eases the constant urge to go — targeting the cause rather than masking symptoms.

An alpha blocker (tamsulosin hydrochloride) that eases urinary obstruction from prostate enlargement. Treats urinary hesitancy/difficulty starting, weak/interrupted flow, post-void dribbling, frequent/urgent urination (including at night), and incomplete bladder emptying.

Targets alpha 1A receptors in the prostate and bladder neck, relaxing muscles that tighten around the urethra. Opens the urine channel for freer flow, improves weak stream and starting difficulty, and reduces urgency. Does not shrink the prostate but improves urine flow with regular use.

One tablet once daily, after the same meal each day (preferably after breakfast). Swallow whole with water while sitting or standing upright — do not crush, chew, or open. Continue even if symptoms improve. If a dose is missed, take it when remembered unless close to next dose — never double dose.

Suitable for men with diagnosed BPH experiencing moderate to severe symptoms who want urinary flow improvement without surgery.

Not suitable for women/under 18, those allergic to tamsulosin, men with severe low blood pressure on standing, or severe liver problems.

Common: Dizziness, ejaculation problems (reduced/absent semen)

Uncommon: Headache, irregular heartbeat, postural dizziness, constipation/diarrhoea, nausea/vomiting, rash/itching, weakness/tiredness

Rare: Fainting, swelling of hands/feet/lips/tongue/throat

Very Rare: Severe skin reactions, priapism, blurred vision

Seek immediate help for allergic reactions, breathing difficulties, or sudden facial/throat swelling.

Tamsulosin tablets improve urinary flow, ease pressure from an enlarged prostate, reduce night-time urination and urgency, and offer once-daily convenience — proven BPH symptom control without surgery.

You can buy Tamsulosin tablets online from Pharmacy Planet quickly and discreetly.

  1. Complete a short online consultation.
  2. One of our UK prescribers reviews your answers.
  3. If approved, Tamsulosin tablets are dispensed and delivered to your door.
Frequently Asked Questions

No, Tamsulosin tablets do not shrink the prostate. They relax the muscles around the prostate and bladder neck, which improves urine flow and reduces BPH symptoms.

Tamsulosin tablets do not affect sexual desire or erections, but some men notice changes in ejaculation, such as reduced semen or no semen during orgasm. This is not harmful and usually reverses if treatment is stopped.

Tamsulosin tablets mainly work on the prostate, but they can cause a drop in blood pressure in some men, especially when standing up quickly. This can lead to dizziness or fainting in rare cases.

Tamsulosin tablets can be taken with erectile dysfunction medicines, but this combination may increase the risk of low blood pressure. Your prescriber may advise spacing doses apart or monitoring symptoms.

Tamsulosin tablets reduce night-time urination for many men by improving bladder emptying and urine flow. Results vary, but most men notice fewer night-time trips to the toilet over time.

Yes, a prostate assessment is usually recommended to confirm that symptoms are caused by BPH and not another condition. This may include a prostate examination or PSA test, arranged by your prescriber.

Most men can drive safely, but dizziness can occur, especially at the beginning of treatment. Avoid driving if you feel light-headed or unsteady.

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Review By

GURDEV SEHMI

Last Updated On : Mar 13 2026

BSc Pharm, MRPharmS, Independent Prescriber, Superintendent Pharmacist, Clinical Lead

GPhC Number: 2050925

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Authored By

GURDEV SEHMI

Last Reviewed On : Mar 23 2026

BSc Pharm, MRPharmS, Independent Prescriber, Superintendent Pharmacist, Clinical Lead

GPhC Number: 2050925