3 months I've had nausea, diarrhea, and stomach pain every night 4-8 hours after eating. What could be causing this??

AboutTimeYouSeeMD. You have been having nausea,diarrhea and stomach pain every 4to 8 hours and have not seen any doctor.We can not make a diagnosis ot prescribe treatment for your stomach pain you have had for 3 months I will guide you and advice you that either you consult your Primary Care Doctor or Consult a GastroEnterologist You may have Irritable Bowel Syndrome or Inflammatory Bowel Disease or a Pptic Ulcer et.