5-alpha Reductase Inhibitors/administration & dosage/*adverse effects Alopecia/drug therapy Depression/*chemically induced/epidemiology Finasteride/administration & dosage/*adverse effects Humans Male Prostatic Hyperplasia/drug therapy Sexual Dysfunction Physiological/chemically induced/epidemiology Suicidal Ideation

5-alpha Reductase Inhibitors Androgen Antagonists Humans Male Plant Extracts/*pharmacology *Prostatic Hyperplasia/drug therapy Randomized Controlled Trials as Topic *Serenoa/chemistry Tamsulosin

5-alpha Reductase Inhibitors Humans Male Oxidoreductases Prospective Studies *Prostatic Hyperplasia/drug therapy *Prostatic Neoplasms/drug therapy 5?-reductase inhibitors Bph Prostate cancer cancer specific mortality meta-analysis

Administration Oral Chronic Disease Flowers/physiology Humans Male Medicine Traditional Phytotherapy Plant Extracts/*administration & dosage Pollen/*physiology Prostatic Hyperplasia/drug therapy Prostatitis/drug therapy Treatment Outcome clinical practice efficacy evidence-based complementary and alternative medicine phytotherapy pollen review