Frequency of Pain before and after OMT (IMAGE) American Osteopathic Association Caption The slight increase in some forms of pain after OMT, although not statistically significant, is believed to result from minor and temporary tissue irritation. This initial inflammatory response subsides. Credit The Journal of the American Osteopathic Association Usage Restrictions Please credit The Journal of the American Osteopathic Association License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.