instruction: hello doctor I vomit after eating and have an upset stomach too I also have a black stool what could be the causes of these
output: hello this seems to be peptic ulcer within stomach the pain of stomach ulcer worsen after taking meals do you have a previous history of peptic ulcers the black stools are suggestive of ongoing bleeding from peptic ulcer the bleeding may be small to cause change in the color of stools however a large ongoing bleeding can not be ruled unless I know your blood pressure and heart rate plus do you have vomiting of similar black color in these days I suggest you to start capsule esmoperazole 40 my twice daily before meals take this medication regularly in case if you are feeling fainting or dizziness blurring of vision when you stand from sitting position or your upper level of the blood pressure systolic blood presure is less than 90 or your heart rate above 90 beats per minute I recommend you to visit near by emergency department for treatment and possible need of endoscopy otherwise if you do not have any alarming signs as I mentioned I suggest you can start medications and see if it helps you this medication will suppress the acid production in the stomach and will help heal the ulcers in stomach let me know if I can provide more information about your condition take care peptic ulcer disease complete blood count prothrombin time and in gastroscopy provide more information as I can be able to solve your problem at moment