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Dutasteride + Tamsulosin - Oral

Patient Medicine Information
Why do I need this medicine?
Dutasteride and Tamsulosin are combined in this medicine.

This medicine is used to treat symptoms of an enlarged prostate gland in men known as benign prostatic hyperplasia (BPH).

An enlarged prostate gland may cause problems such as difficulty in passing urine, slow or interrupted flow of urine, frequent urination, and dribbling after passing urine. This medicine helps relax the muscles in the prostate gland and bladder to allow the urine to pass more easily.
How do I take this medicine?
Take Dutasteride + Tamsulosin exactly as directed by your doctor or according to the instructions on the label. Do not take more or less than instructed by your doctor.

Take this medicine 30 minutes after a meal. Swallow it whole. Do not divide, chew or crush the capsule. Try to take it at the same time each day.

This medicine must be taken regularly for it to be effective. Continue taking this medicine even when you feel better. Do not stop taking it unless instructed by the doctor.
What should I do if I have forgotten to take this medicine?
Take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and return to your normal dosing schedule.

DO NOT double a dose under any circumstances.

If you often forget to take your medicine, let your doctor and pharmacist know.
When should I not use this medicine?
Alert your doctor if you have the following conditions:
  • history of orthostatic hypotension (a sudden fall in blood pressure when standing up from a sitting or lying down position)
  • severe liver disease
as Dutasteride + Tamsulosin may not be suitable for you.

Do not give this medicine to children unless instructed by the doctor.
What should I take note of while taking this medicine?
Inform your doctor if you have the following conditions:
  • narrowing of the blood vessels of the heart
  • severe kidney disease
  • mild to moderate liver disease
  • urinary problems e.g. difficulty passing urine or a very weak urine flow
Dutasteride + Tamsulosin is not indicated for use in women.

Dutasteride + Tamsulosin may be absorbed through the skin. Pregnant women or women who may become pregnant must not handle and should avoid any contact with this medicine. If accidental contact with crushed or broken capsule occurs, wash the affected area immediately with soap and water. Tell your doctor right away.

You must use condom or other effective birth control methods to prevent contact of this medicine with your partner.

Do not donate blood during Dutasteride + Tamsulosin therapy or for 6 months after stopping the treatment.

If you are going to have an eye operation, including cataract or glaucoma surgery, inform your doctor that you are taking this medicine.

This medicine may interfere with the prostate specific antigen (PSA) blood test which is used to screen for prostate cancer. Inform your doctor that you are taking this medicine before you take a PSA test.

Individuals who are poor metabolisers of CYP2D6 may experience enhanced effects of this medicine. If you know you have this gene type, inform your doctor.

Why is it important to keep my appointments with the doctor?

Keep your appointments with your doctor. Your doctor needs to monitor your condition and check your response to the medication regularly.
  • Routine tests (e.g. anal examination, PSA blood levels) may be done while you are being treated with this medicine. Your doctor will advise you about how often you need to have these tests.
  • Your blood pressure may fall to unsafe levels without you noticing it. Monitor your blood pressure regularly during treatment.
  • Regular monitoring of urinary flow may also be needed.
What side effects could I experience?
Dutasteride + Tamsulosin may cause dizziness. If affected, do not drive or take part in any activity in which you need to be alert.

This medicine may cause your blood pressure to fall suddenly when you get up from a sitting or lying down position and you may feel giddy. To minimise this problem, stand up slowly.

Other side effects include any of the following: breast enlargement, tenderness or pain, decreased sex drive, and problems in ejaculation.

Some side effects may need immediate medical help. Alert your doctor quickly if you experience persistent painful erection of the penis.

Inform your doctor if any of these side effects do not go away or are severe, or if you experience other side effects.
Can I take this with other medicines?
Inform your doctor and pharmacist if you are taking any of these medicines:
  • medicines to treat fungal infection e.g. ketoconazole
  • medicines for HIV infection e.g. ritonavir, indinavir
  • medicines to treat depression e.g. paroxetine, nefazodone
  • cimetidine (medicine that reduces stomach acid production)
  • blood-thinning medicines e.g. warfarin
  • medicines used to treat impotence e.g. sildenafil, tadalafil
  • anaesthesia (medicines to block pain and sensation)
This list does not include all medicines that may interact with Dutasteride + Tamsulosin.

Always notify your doctor and pharmacist if you are taking any other medicines, including herbal tonics such as traditional Chinese medicines, supplements, and medicines that you buy without a prescription.
What special dietary instructions should I follow?
Avoid alcohol.
How should I store this medicine?
Store in a cool, dry place away from the reach of children.

Medicines must not be used past the expiry date.
This information is independently developed by MIMS based on Dutasteride + Tamsulosin - Oral and is provided for your reference only. It is not a replacement for and should only be used in conjunction with full consultation with a licensed healthcare professional, the information provided by your pharmacist and/or the manufacturer of the medication. It may not contain all the available information you require and cannot substitute professional medical care, nor does it take into account all individual circumstances. Although great effort has been made to ensure content accuracy, we shall not be held responsible or liable for any claims or damages arising from the use or misuse of the information contained herein, its contents or omissions, or otherwise. Copyright © 2026 MIMS. All rights reserved. Powered by MIMS.com
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