Risks of acupuncture are minimal and complications are rare. Complications include infection and organ damage. Acupuncture performed by a qualified acupuncturist is generally safer than surgery, steroid injections, and anti-inflammatory medications. Conditions that increase your risk of complications include: Being pregnant. Acupuncture can cause premature labor and delivery.Having a bleeding disorder or taking blood-thinning medications. This increases the risk of bruising and bleeding.Having a pacemaker. A pacemaker can misfire if electrical impulses are applied to the needles.