Tamsulosin is a drug that is used in the treatment of urinary obstruction that is caused by prostate enlargement or benign prostatic hyperplasia. It is several times stronger in action that prazocin and phentolamine in terms of alpha-blockage activities. Tamsulosin is a selective blocker of alpha-1 receptors in the prostate, which further brings about relaxation of the prostate tissues and improved urinary flow.

Tamsulosin Hydrochloride is used in the following conditions:

  • Bladder outlet obstruction associated with benign prostatic hyperplasia
  • Chronic prostatitis
  • Kidney stones

Do not give Tamsulosin Hydrochloride to people with the following conditions:

  • Patients with known hypersensitivity to this drug or any of its components

Tamsulosin Hydrochloride may have the following side effects:

  • Dizziness
  • Stomach discomfort
  • Decrease of blood pressure

Take extra caution in patients with the following medical conditions:

  • Orthostatic hypotension
  • Serious liver dysfunction
  • Severe kidney dysfunction
  • Elderly patients
  • Past history of severe hypersensitivity to sulfonamides


Tamsulosin Hydrochloride may interact with the following medicines:

  • Strong CYP3A4 inhibitors such asketoconazole
  • Moderate CYP3A4 inhibitors such as erythromycin
  • Strong (e.g. paroxetine) or moderate (e.g. terbinafine) CYP2D6 inhibitors
  • Other α-adrenergic blocking agents
  • PDE5 inhibitors
  • Furosemide

Symptoms of overdose include the following:

  • Dizziness
  • Lightheadedness
  • Drowsiness
  • Runny/stuffy nose
  • Ejaculation problems may occur

Seek medical help immediately.

Available Brand:

  • Alfatam
  • Harnal OCAS
  • Pimax
  • Prostazin
  • Prozelax
  • Sultam
  • Tamplus 








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