Drug class: Alpha blockers
- Tamsulosin is a selective blocker for the alpha1a receptor subtype.
- The 0.2 to 0.4 mg. tamsulosin dose is effective in improving lower urinary tract symptoms and the urine flow rate.
- Tamsulosin improves lower urinary tract symptoms and flow.
- Its effectiveness was similar to that of other α-antagonists, increasing slightly at higher doses.