Daily Medication Pearl: Tamsulosin (Flomax)


Tamsulosin (Flomax) is indicated for the treatment of the signs and symptoms of benign prostatic hyperplasia.

Medication Pearl of the Day: Tamsulosin (Flomax)

Indication: Tamsulosin (Flomax) is an alpha1 adrenoceptor antagonist indicated for the treatment of the signs and symptoms of benign prostatic hyperplasia.


  • Dosing: 0.4 mg once daily taken approximately one-half hour following the same meal each day.
  • Dosage forms: Capsules 0.4 mg.
  • Adverse events: The most common adverse events (≥2% of patients and at a higher incidence than placebo) with the 0.4 mg dose or 0.8 mg dose were headache, dizziness, rhinitis, infection, abnormal ejaculation, asthenia, back pain, diarrhea, pharyngitis, chest pain, cough increased, somnolence, nausea, sinusitis, insomnia, libido decreased, tooth disorder, and blurred vision.
  • Mechanism of action: Tamsulosin, an alpha1 adrenoceptor blocking agent, exhibits selectivity for alpha1 receptors in the human prostate. At least 3 discrete alpha1 adrenoceptor subtypes have been identified: alpha1A, alpha1B, and alpha1D; their distribution differs between human organs and tissue. Approximately 70% of the alpha1 receptors in human prostate are of the alpha1A subtype.
  • Manufacturer: Boehringer Ingelheim



Related Videos
Mid-section portrait of unrecognizable woman during last months of pregnancy holding her big belly gently standing against wall in blue room - Image credit: pressmaster | stock.adobe.com
Pride flags during pride event -- Image credit: ink drop | stock.adobe.com
Female Pharmacist Holding Tablet PC - Image credit: Tyler Olson | stock.adobe.com
African American male pharmacist using digital tablet during inventory in pharmacy - Image credit: sofiko14 | stock.adobe.com
palliative and hospice care/ Image Credits: © David Pereiras - stock.adobe.com
Young woman using smart phone,Social media concept. - Image credit: Urupong | stock.adobe.com
multiple myeloma clinical trial daratumumab/ Image Credits: © Dragana Gordic - stock.adobe.com
multiple myeloma clinical trial/Image Credits: © Studio Romantic - stock.adobe.com
selling mental health medication to man at pharmacy | Image Credit: Syda Productions - stock.adobe.com
Medicine tablets on counting tray with counting spatula at pharmacy | Image Credit: sutlafk - stock.adobe.com
© 2024 MJH Life Sciences

All rights reserved.