Step 3: Gather quick details (helps your doctor) Write down: When it started How many black stools you had Any meds/supplements (iron, bismuth, blood thinners) Any symptoms (dizzy, weak, short of breath) When to see a doctor (and when its an emergency) Emergency (same day / now) Black, tarry stool plus symptoms (dizziness, fainting, weakness, shortness of breath) Vomiting blood or coffee-ground vomit Large amount of black stool or repeated episodes Call a doctor soon Black stool that keeps happening No clear reason (no iron, no Pepto-Bismol, no dark foods) Signs of anemia like tiredness, pale skin, shortness of breath Diagnosis: what gastroenterology may do If bleeding is possible, you may be referred to gastroenterology (digestive system care)
Eating smaller portions and choosing nutrient-dense foods helps minimize cramping while maximizing nutritional intake during this transition period
Fluids, small frequent meals, and prioritizing protein can help nausea and support lean mass while losing weight
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Br J Pharmacol 166: 27-41, 2012