I do not remember ever having to stop medication due to side effects in my life until now. -- R.H. ANSWER: Finasteride and dutasteride work by blocking an enzyme called 5-alpha reductase ...

If you have high blood pressure and BPH, alpha-blockers may ... to 6 months to see the full effects of 5-ARIs, and you have to keep taking them to get results. Side effects: This medication ...