What do systematic reviews say?

Testosterone vs placebo

Testosterone therapy showed no clear difference in adverse events (all cause) compared with placebo (low certainty).

• Interventions for sexual dysfunction in people with chronic obstructive pulmonary disease (COPD) 2015 · Cochrane Headline outcomes only
  RR 1.07 [0.07, 15.54]
  1 study · 29 participants
  Low