 [ Symptoms ] what causes stomach aliments at night while lying down  hello i have been having stomach soreness for the better part of a year when lying down at night i am a 60 year old male with type ii diabetes under control with meds acid reflux under control with meds and some other medical issues have had ultrasound catscan endoscopy colonoscopy etc all negative what do you think may be wrong could acid reflux meds not be working anymore i take about a dozen different meds all together i also drink bottled water from a cooler in the house [ Disease ] hi iron supplements that you are presently taking are in safe dosage and it will surely not cause you any side effects preferably if taken empty stomach it can lead to efficient absorption and rapid rise in iron  hemoglobin levels nausea and gastritis can be taken care of by taking an antacid thanks