Tamsulosin
Tamsulosin is a prostate medicine (alpha blocker) found in 25 medicines sold in India, such as Urimax 0.4, Veltam 0.4, Contiflo OD. Below: what it is for, how it works, how to take it, side effects, interactions and pregnancy advice.
What it is used for
Eases urine flow in an enlarged prostate; also helps pass kidney stones.
How it works
An alpha blocker that relaxes the muscle of the prostate and bladder neck, easing urine flow in an enlarged prostate. Also helps pass kidney stones.
How to take it
Usually 0.4 mg once a day, 30 minutes after the same meal. Swallow whole.
Common side effects
- Dizziness
- Less or no semen at ejaculation
- Stuffy nose
Get medical help straight away if
- Fainting
- Painful erection over 4 hours
Be careful
Can cause dizziness on standing; tell your eye surgeon before cataract surgery.
Other medicines and interactions
Tell your eye surgeon before cataract surgery (floppy iris). Adds to the effect of blood pressure medicines and PDE-5 inhibitors.
Pregnancy and breastfeeding
Not used by women in pregnancy.
Brands of Tamsulosin (14)
Combination medicines that contain Tamsulosin (11)
Common questions
What is Tamsulosin used for?
Eases urine flow in an enlarged prostate; also helps pass kidney stones.
How does Tamsulosin work?
An alpha blocker that relaxes the muscle of the prostate and bladder neck, easing urine flow in an enlarged prostate. Also helps pass kidney stones.
How should I take Tamsulosin?
Usually 0.4 mg once a day, 30 minutes after the same meal. Swallow whole.
What are the side effects of Tamsulosin?
Common: Dizziness, less or no semen at ejaculation, stuffy nose. Get help straight away for: Fainting, painful erection over 4 hours.
Does Tamsulosin interact with other medicines?
Tell your eye surgeon before cataract surgery (floppy iris). Adds to the effect of blood pressure medicines and PDE-5 inhibitors.
Is Tamsulosin safe in pregnancy and breastfeeding?
Not used by women in pregnancy.
Does Tamsulosin need a prescription in India?
Yes. In India it is a prescription (Schedule H) medicine, so a pharmacist should sell it only with a doctor's prescription.
Which brands contain Tamsulosin?
Contiflo Icon 0.4, Contiflo OD, Flokind-0.4 Er, Flokind-D, Geriflo D, Geristart, Tamcontin 0.4, Tamdosin D, Tamdosin-0.4, Tamsin 0.4 PR, Tamsin D, Tamsukem 0.4, Tamsukem-D, Tasulin 0.4, Tasulin-D, Temsunol-D, Urimax 0.4, Urimax D, Urimax DX, Uripro 0.4, Uritin 0.4, Uritin D, Uronex, Veltam 0.4, Veltam Plus.
Sources and further reading
- Tamsulosin: NHS · MedlinePlus
NHS (UK National Health Service) and MedlinePlus (US National Library of Medicine) are free, reviewed medicine guides. Brand names and doses there may differ from India.
Last reviewed 31 October 2026. Written by Satya Babu from standard prescribing information.
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