Tamsulosin - Drug Information

Generic Name : Tamsulosin | Pronunciation : tam-SOO-loe-sin

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Latest prescription information about Tamsulosin. Learn how to pronounce the drug's name, its indications, dosage, how to take, when to take, when not to take, side effects, special precautions, its storage instructions and warnings if any when taken during pregnancy. Also listed are the International and Indian trade name(s) of the drug and its price list.
Therapeutic Classification : BPH Agents
Drug Information

Trade Name(s): 

India : 


International : 


Why it is prescribed (Indications) : 

This medication is an alpha blocker, prescribed for benign prostatic hyperplasia (BPH) or prostate enlargement. It improves the flow of urine by relaxing the muscles of the prostate and the lower part of the bladder.  

When it is not to be taken (Contraindications): 

Hypersensitivity to this drug.

Pregnancy Category :






Category B :

Animal reproduction studies have failed to demonstrate a risk to the fetus and there are no adequate and well-controlled studies in pregnant women OR Animal studies have shown an adverse effect, but adequate and well-controlled studies in pregnant women have failed to demonstrate a risk to the fetus in any trimester.

Dosage & When it is to be taken : 

Adult: PO- Extended release 400 mcg once daily, up to 800 mcg once daily after 2-4 wk if needed.

How it should be taken : 

It comes as a tablet and capsule to take by mouth, it should be taken with food.

Warnings and Precautions : 

Prostate cancer should be ruled out before starting the therapy.
It may cause a complication called intra operative floppy iris syndrome in patients who undergoes cataract surgery.
It may cause low blood pressure and fainting in standing position especially with first dose, or if dosage is increased or an antihypertensive drug or a phosphodiesterase-5 inhibitor is added to the treatment regimen.
Caution needed when used in patients with sulfa allergy, pregnancy, breastfeeding, liver or kidney impairment, and children.
It may cause dizziness, do not drive or operate machinery while taking this medication.
Take this medication in whole. Do not crush.

Side Effects : 

  Body as Whole
- Headache, increase in infections, weakness, back pain, chest pain.

  Central Nervous System
- Dizziness, altered sleep.

- Inflammation of nose, pharynx and sinuses.

- Diarrhea, nausea.

- Abnormal ejaculation, decrease in sexual activities, painful persistent penile erection (rare).

- Blurred vision.

- Severe allergic reactions like rash, itching, swelling, trouble in breathing.

Other Precautions : 

It should not be used with drugs that inhibit its breakdown e.g. ketoconazole.

Storage Conditions : 

Oral: Store at 25C. Keep this medication in an airtight container, and out of reach of children. Store it at room temperature.


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I have taken contiflo icon0.4 mg before sleep and facing swelling nose in the morning. Dr. ask to take up to one months. Please suggest what should i do?
Akshay_health  Saturday, October 31, 2015
I have taken Veltam 0.4 mg first time before sleep and facing Headache and dizziness in the morning. Dr. ask to take up to one months. Please suggest what should i do?
vinodkumar12  Tuesday, August 11, 2015
can we take alcohol during tamsulosin therapy
genx123  Saturday, March 29, 2014
Can this med cause Atrial Fibrulation?
de1966  Monday, December 02, 2013
Can i give it via NG tube?
needshelp  Saturday, October 12, 2013
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