| Medication | Gene |
| Tamsulosin, Mirabegron | CYP2D6 |
Frequency of Cytochrome P450 (CYP2D6) Metabolizer Types in the population
| Cytochrome | Poor metabolizer | Intermediate metabolizer | Normal metabolizer | Rapid or ultra-rapid metabolizer |
| CYP2D6 | 4-7% | 9-35% | 50-90% | 2-3% |