Geristart

Tablet (slow release) · Alembic Pharma
PRESCRIPTION MEDICINE

Geristart is a tablet (slow release) made by Alembic Pharma that contains Tamsulosin 0.4 mg. Tamsulosin is a prostate medicine (alpha blocker): eases urine flow in an enlarged prostate; also helps pass kidney stones.

Ingredient (salt)Amount
Tamsulosin0.4 mg

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.

Same composition, other brands (13)

Urimax 0.4Veltam 0.4Contiflo ODUripro 0.4Tamdosin-0.4Flokind-0.4 ErUronexTasulin 0.4Uritin 0.4Contiflo Icon 0.4Tamsukem 0.4Tamsin 0.4 PRTamcontin 0.4

Ask your doctor or pharmacist before switching brands.

Common questions

What is Geristart?

Geristart is a tablet (slow release) by Alembic Pharma containing Tamsulosin 0.4 mg.

What is Geristart used for?

Eases urine flow in an enlarged prostate; also helps pass kidney stones.

How should I take Geristart?

Usually 0.4 mg once a day, 30 minutes after the same meal. Swallow whole. Always follow the dose your doctor or the pack gives.

What are the side effects of Geristart?

Common side effects include: Dizziness, less or no semen at ejaculation, stuffy nose. Get medical help straight away for: Fainting, painful erection over 4 hours.

Does Geristart need a prescription?

Yes. In India it is a prescription (Schedule H) medicine, so a pharmacist should sell it only with a doctor's prescription.

Can I take Geristart in pregnancy or while breastfeeding?

Not used by women in pregnancy.

What are the substitutes for Geristart?

Brands with the same composition: Urimax 0.4, Veltam 0.4, Contiflo OD, Uripro 0.4, Tamdosin-0.4, Flokind-0.4 Er, Uronex, Tasulin 0.4, Uritin 0.4, Contiflo Icon 0.4, Tamsukem 0.4, Tamsin 0.4 PR. Ask your doctor or pharmacist before switching.

Sources and further reading

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.

Composition checked against pack details from large Indian online pharmacies. Last reviewed 31 October 2026. Written by Satya Babu.

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For information only, not medical advice. This page is a plain-language summary written from standard prescribing information and the public guides linked below. Brands sometimes change their formula, so always check the composition printed on the pack. Doses here are typical adult doses; yours may differ. Do not start, stop or change a medicine without your doctor or pharmacist, and keep all medicines away from children. In an emergency, call 112 (India) or your local emergency number.