From past 1 week I have severe burning in my stomach and it's there only in morning when I am awake and not in night during sleep, I was diagnosed with gerd in 2013 and gerd with mild antral gastritis in 2017. From few days my stools are also in green or dark coloured. Are there chances of ulcers or how. What natural cures are the for it. I feel like j am loosing weight due to loss of appetite.