A non-reactive test at 2 days is too early to rule out infection. Post-exposure treatment may be needed, but should only be started after medical evaluation, especially with a history of pancreatitis. Consult a doctor immediately to assess risk and safety, and determine the appropriate next steps.

Inform your doctor immediately, as painful pancreatic stones with frequent vomiting require prompt medical attention. They can recommend proper treatment options and adjust your medications to relieve pain and improve digestion.