prolotherapy side effects
Patients receiving prolotherapy injections have reported generally mild side effects including: mild pain and irritation at the injection site (often within 72 hours of the injection), numbness at the injection site, or mild bleeding.
CONCLUSIONS: Side effects related to prolotherapy for back and neck pain, such as temporary postinjection pain, stiffness, and bruising, are common and benign. Adverse events related to prolotherapy for back and neck pain are similar in nature to other widely used spinal injection procedures.