What do systematic reviews say?

PDEI vs alpha‐blocker

• Phosphodiesterase inhibitors for lower urinary tract symptoms consistent with benign prostatic hyperplasia 2018 · Cochrane Headline outcomes only
  no estimate extracted
  2 studies · 550 participants
  Low

PDEI plus alpha‐blocker vs alpha‐blocker

The review found no eligible studies for this question.

• Phosphodiesterase inhibitors for lower urinary tract symptoms consistent with benign prostatic hyperplasia 2018 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found