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69 Possible Causes for Black Stools, Vegan Diet

  • Iron Deficiency Anemia

    Replacement of iron by the oral route is associated with mostly minor complications such as black stools, constipation, and abdominal discomfort.[ncbi.nlm.nih.gov] […] of a vegan diet on the risk of diabetes, as well as cancer.[dx.doi.org] For example, a sign of intestinal bleeding is bright red blood in the stools or black, tarry-looking stools.[web.archive.org]

  • Acute Iron Intoxication

    […] occur without preceding GI toxicity following iron ingestion) Local effects: corrosive injury to the gastrointestinal mucosa resulting in vomiting, diarrhoea, hemetemesis, melena[lifeinthefastlane.com] Web. 02 June 2017. " Iron in the Vegan Diet ." The Vegetarian Resource Group (VRG), The Vegetarian Resource Group, Accessed 17 Apr. 2017.[globalhealingcenter.com] Classic stages and time course of iron toxicity: 0-6 hours –– vomiting, diarrhoea, hemetemesis, melena, abdominal pain.[lifeinthefastlane.com]

  • Activated Charcoal

    When you take it by mouth , activated charcoal can cause: Black stools Black tongue Vomiting or diarrhea Constipation In more serious cases, it can cause gastrointestinal[webmd.com] Q: Is it vegetarian/vegan? A: Yes Q: Why vegetable capsules?[bulletproof.com] stool Constipation Rare Slowing of intestinal tract Blocking of intestinal tract Regurgitation into the lungs Dehydration Warnings Contraindications Intestinal obstruction[reference.medscape.com]

  • Necrotizing Enterocolitis

    Dark, black, or bloody stools. Low or unstable body temperature. Chills and fever. Fast heartbeat and breathing. Not wanting to eat. Vomiting.[myhealth.alberta.ca] diets may require a supplement of DHA as well as multivitamins.[doi.org] […] intake and can be minimized by avoiding the intake of predatory fish (eg, pike, marlin, mackerel, tile fish, swordfish). 113 Poorly nourished mothers or those on selective vegan[doi.org]

  • Vitamin B12 Deficiency Anemia

    Babies born to women who eat a vegan diet should be checked by a doctor to see whether they need extra vitamin B12.[peachtreepeds.com] Oral iron preparations come with a host of side effects that include nausea, vomiting, abdominal pain, heartburn, constipation, diarrhea, black stool and blackening of teeth[news-medical.net] People who eat a vegan diet and older adults who don't eat a variety of foods may need to take a daily vitamin pill to get enough B12.[peachtreepeds.com]

  • Iron Intake

    Oral iron preparations come with a host of side effects that include nausea, vomiting, abdominal pain, heartburn, constipation, diarrhea, black stool and blackening of teeth[news-medical.net] The good news is that you can get all the iron you need from a vegan diet because there are lots of plant foods containing good amounts of this mineral.[vegansociety.com] Submit Tips Iron supplements may make your stools darker or even black. Don't worry; this is normal.[wikihow.com]

  • Charcoal

    When you take it by mouth , activated charcoal can cause: Black stools Black tongue Vomiting or diarrhea Constipation In more serious cases, it can cause gastrointestinal[webmd.com] Q: Is it vegetarian/vegan? A: Yes Q: Why vegetable capsules?[bulletproof.com] Other reactions include adsorption of prescription medications, black stools, and severe constipation.[askmen.com]

  • Caffeine

    The amount of intramuscular creatine varies between individuals with vegan vegetarians having low levels and individuals consuming high fish or meat diets having elevated[doi.org]

  • Iron Deficiency

    Reassure the patient that black stools are normal and harmless. Reduce the frequency of the iron supplement to one or two times per day.[patient.info] Some might expect that since the vegan diet contains a form of iron that is not that well absorbed, vegans might be prone to developing iron deficiency anemia.[vrg.org] Iron supplements may cause constipation or black stools.[healthline.com]

  • Folate-Deficiency Anemia

    – this is uncommon, but can occur if you have a vegan diet , follow a fad diet or have a generally poor diet for a long time medication – certain medications, including anticonvulsants[nhs.uk] Oral iron preparations come with a host of side effects that include nausea, vomiting, abdominal pain, heartburn, constipation, diarrhea, black stool and blackening of teeth[news-medical.net] Stools are black. So: Explain that iron makes stools black and is harmless. Pregnant women believe iron makes their babies bigger and so delivery will be more difficult.[southsudanmedicaljournal.com]

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