Inclusion Criteria:  Willing to comply with all study procedures and be available for the duration of the study Diagnosed with IBS-C satisfying Rome IV criteria Have symptoms present for at least the last 3 months Have abdominal pain that is not adequately relieved at the time of screening and the time of randomization Has a VAS pain score of >3 (on 0-10 score)  Exclusion Criteria:  Have an unrelated active disorder which may involve abdominal pain, such as inflammatory bowel disease, diabetes, unstable thyroid disease Have history of abdominal surgery (other than cholecystectomy or appendectomy) Are taking anticoagulants or antispasmodic, antidiarrheal, or opioids or other pain relief medications and cannot stop these medications for three consecutive days before each study visit Are pregnant or lactating; women of child bearing potential complete a pregnancy test at each visit Have known allergic reactions to components of the ECG electrodes Received treatment with an investigational drug or other intervention within 6 months of the date of consent Anything that, in the opinion of the investigator, would place the study participant at increased risk or preclude the study participant's full compliance with or completion of the study Are unable to provide informed consent