7. Anemia
One symptom to watch out for is if you suddenly become anemic. Anemia is caused when your iron and red blood cell levels become dangerously low. Your skin tone may turn pale and less vibrant than before. Additionally, lack of energy and constant fatigue are signs that you may have anemia.
8. Abnormal stool
Keep an eye on your bowel movements. Much like the dark and textured vomit you may be experiencing, a similar effect could be had on your stool. If you are noticing that your bowel movements are becoming sporadic and do not coincide with the normal times you relieve yourself throughout your day, this symptom could also be related to an ulcer in your stomach.
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