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Avodart contains dutasteride, medicine from the group of antiandrogens: medicines that reduce the action of the male sex hormone, testosterone. Avodart inhibits the formation of DHT (dihydrotestosterone), a substance that causes prostate growth, which can block the urethra. Reduces urinary problems as a consequence of an enlarged prostate. The recommended dose is one capsule (0.5 mg) once a day. Avodart capsules should be swallowed whole, with water. Do not chew or open the capsules. Contact with the contents of the capsules can irritate your mouth or throat.

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Price Comparison

Select your preferred options and see the best price

Pack Price (£)
Dutasteride (Generic) 0.5mg 30 Capsules 26.00
Dutasteride (Generic) 0.5mg 60 Capsules 45.00
Dutasteride (Generic) 0.5mg 90 Capsules 67.00
Avodart 0.5mg 30 Capsules 49.00
Avodart 0.5mg 60 Capsules 68.00
Avodart 0.5mg 90 Capsules 90.00

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Dutasteride (Avodart) Capsules for Enlarged Prostate (BPH) Treatment

Dutasteride (sold under the brand name Avodart) is a DHT-blocking medicine used to treat an enlarged prostate, also known as benign prostatic hyperplasia (BPH). It works by reducing the production of dihydrotestosterone (DHT), the hormone responsible for prostate growth. As the prostate becomes smaller over time, urinary symptoms such as weak flow, frequent urination and difficulty starting or stopping are reduced.

You can order Dutasteride capsules online from Pharmacy Planet after completing a short, free consultation reviewed by one of our UK prescribers. If you want a long-term BPH treatment for better urinary flow and reduced prostate pressure, Dutasteride capsules are a trusted choice.

What Are Dutasteride (Avodart) Capsules?

Dutasteride capsules are 5-alpha reductase inhibitors used to shrink an enlarged prostate and manage urinary symptoms caused by BPH. As the prostate grows, it can press against the urethra and affect urine flow. By lowering DHT levels, Dutasteride gradually reduces prostate size, eases urinary obstruction and improves day-to-day bladder function. Dutasteride capsules are also sometimes used alongside another medicine, tamsulosin, for stronger symptom control when needed.

Dutasteride capsules are generally prescribed if you are struggling with any of the following symptoms: frequent need to urinate, weak or interrupted urine flow, difficulty starting urination, involuntary leakage or post-void dribbling, or night-time urination (nocturia).

How Do Dutasteride Capsules Work?

Dutasteride blocks the enzymes that convert testosterone into dihydrotestosterone (DHT), the hormone responsible for prostate enlargement. When DHT levels fall, the prostate slowly reduces in size. As the prostate shrinks, urinary flow improves and pressure on the urethra is reduced. This lowers symptoms such as weak flow, straining and incomplete emptying.

Dutasteride also decreases the risk of sudden urinary blockage and reduces the likelihood of needing prostate surgery in the future. Because prostate changes happen slowly, it may take several months for full benefits to appear.

How to Use Dutasteride Capsules?

Take Dutasteride capsules exactly as instructed by your prescriber. Swallow each capsule whole with water. Do not chew or open the capsule, as the contents can irritate the mouth or throat.

Useful Tips for Best Results:

  • Take one capsule at the same time each day.
  • Swallow the capsule whole with a glass of water.
  • Use the medicine regularly for several months for full effect.
  • Keep appointments for prostate checks as advised.
  • Tell your prescriber if you notice new or worsening symptoms.

The usual dose for adults is 0.5 mg once daily. Dutasteride is intended for long-term treatment. Some men notice early improvements, but many require up to 6 months to feel full benefits. If you miss a dose, take it as soon as you remember unless it is close to your next dose. Never take two doses on the same day.

Who Can Use Dutasteride Capsules?

Dutasteride capsules may be suitable for:

  • Men with enlarged prostate symptoms.
  • Those experiencing a weak urine stream or slow flow.
  • Men who need long-term BPH management.
  • Individuals at risk of urinary retention or future prostate surgery.

Dutasteride capsules are not suitable for:

  • Women, children or teenagers.
  • Anyone allergic to Dutasteride or similar medicines.
  • Men with severe liver disease.
  • People taking certain medications without medical supervision.

Dutasteride capsules should not be handled by pregnant women, particularly if the capsules are crushed or broken, as the drug can be absorbed through the skin.

Possible Side Effects of Dutasteride Capsules

Not everyone experiences side effects, but some may occur during treatment.

Common Side Effects:

  • Reduced sexual desire
  • Difficulty getting or maintaining an erection
  • Decreased semen volume during ejaculation
  • Breast tenderness or swelling
  • Dizziness when used with tamsulosin

Uncommon Side Effects:

  • Heart failure symptoms such as swelling in the legs or shortness of breath
  • Body hair loss or increased hair growth

Other Side Effects:

  • Depression, pain or inflammation of the testicles, skin rash or swelling

If you notice swelling of the face, lips or tongue, difficulty breathing or signs of an allergic reaction, stop taking Dutasteride immediately and seek medical help.

What Makes Dutasteride Capsules a Preferred Choice?

Dutasteride capsules are a widely used BPH treatment because they shrink the prostate by lowering DHT levels, improve urinary flow over time, reduce urgency and frequent bathroom trips, lower the risk of complete urinary blockage, reduce the chance of needing prostate surgery in the future, and provide long-term prostate health support. If you want a trusted medication to improve urinary symptoms caused by an enlarged prostate, Dutasteride capsules are one of the most effective long-term options.

Consultation and Prescription Process at Pharmacy Planet

When you place your order at Pharmacy Planet, here's how it is processed:

  1. Complete the online consultation and share information about your urinary symptoms and medical history.
  2. One of our experienced UK prescribers reviews your consultation to confirm whether Dutasteride capsules are suitable.
  3. If approved, your Dutasteride capsules are delivered discreetly to your door.
Dutasteride (Avodart) Capsules

Dutasteride (Avodart) is a DHT-blocking medicine that treats an enlarged prostate (BPH) by reducing DHT production. As the prostate becomes smaller over time, urinary symptoms such as weak flow, frequent urination, and difficulty starting or stopping are reduced.

5-alpha reductase inhibitors that shrink an enlarged prostate and manage urinary symptoms caused by BPH. By lowering DHT levels, they gradually reduce prostate size, ease urinary obstruction, and improve bladder function. Sometimes used alongside tamsulosin for stronger symptom control.

Dutasteride blocks the enzymes that convert testosterone into DHT, the hormone responsible for prostate enlargement. As DHT levels fall, the prostate shrinks, urinary flow improves, and pressure on the urethra reduces. Also lowers risk of sudden urinary blockage and future prostate surgery. Full benefits may take several months.

Swallow whole with water — do not chew or open. Take one capsule (0.5mg) at the same time each day. Long-term treatment — many require up to 6 months for full benefits. If a dose is missed, take it when remembered unless close to next dose — never take two doses on the same day.

May be suitable for:

  • Men with enlarged prostate symptoms, weak urine stream, long-term BPH management needs, or risk of urinary retention/future prostate surgery.

Not suitable for:

  • Women (especially pregnant — do not handle broken capsules), children/teenagers, those allergic to Dutasteride, men with severe liver disease, or those on certain medications without supervision.

Common: Reduced sexual desire, erectile difficulty, decreased semen volume, breast tenderness/swelling, dizziness with tamsulosin

Uncommon: Heart failure symptoms (leg swelling/breathlessness), body hair changes

Other: Depression, testicular pain/inflammation, skin rash/swelling

Stop immediately and seek help for face/lip/tongue swelling, breathing difficulty, or allergic reaction signs.

Dutasteride shrinks the prostate by lowering DHT, improves urinary flow, reduces urgency and frequent trips, lowers risk of complete urinary blockage, reduces need for prostate surgery, and provides long-term prostate health support.

When you place your order at Pharmacy Planet, here's how it is processed:

  1. Complete the online consultation and share information about your urinary symptoms and medical history.
  2. One of our UK prescribers reviews your consultation to confirm suitability.
  3. If approved, your Dutasteride capsules are delivered discreetly to your door.
Frequently Asked Questions

They are used to treat an enlarged prostate (BPH) and improve urinary symptoms such as weak flow and frequent urination.

Benefits often appear slowly, and many men need several months (3–6 months or more) of regular use before they notice significant improvement in urinary symptoms.

It may reduce libido or cause erection problems in some men, but these effects can improve over time.

Yes. Dutasteride lowers PSA levels, so if you're on it, your doctor may interpret PSA readings differently. Regular monitoring is important.

Dutasteride can lower the risk of sudden urinary retention and may reduce the likelihood of needing prostate surgery in the future, especially when taken long-term as prescribed.

Yes, Dutasteride lowers DHT (the hormone that stimulates prostate enlargement), which over months can shrink the prostate and relieve urinary symptoms.

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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