What are possible side effects and complications of breast reduction?

The possible side effects and complications of breast reduction surgery include infection; bleeding; blood clots; fluid accumulation; anesthesia risks; allergies to surgical materials including tape and sutures; breast asymmetry and contour and shape irregularities; temporary or permanent changes in breast sensation; deep vein thrombosis (a blood clot that is in a deep vein); persistent pain; poor wound healing; potential inability to breastfeed; unfavorable scarring; potential partial or total loss of nipples and areolas; and the possibility of revisional surgery.