Aug 07, 2012 · Human feces ingestion (those infected with Hepatitis A virus) Fatigue, nausea, loss of appetite, diarrhea, constipation vomiting fever, abdominal pain, dark urine, gray colored stool, yellow skin and eyes: Histoplasmosis: Bat feces inhalation; Histoplasma capsulatum fungus: Headache, muscle aches, chills dry cough fever, chest discomfort. Oct 27, 2012 · Yes, the affects on smelling human feces bacteria fumes specifically those mixed with urine in a confined area could result in mild hallucination, furthermore, when injested over a prolonged Period could result in bacterial infection. The use of untreated human feces in agriculture poses significant health risks and has contributed to widespread infection with parasitic worms—a disease called helminthiasis, affecting over 1.5 billion people in developing countries. Answer. The risk from exposure to human feces (your own and other's) is mainly infectious diseases, and I recommend you discuss your concern with your doctor. There are numerous infections of all different types that can be communicated through feces. Just to give you some examples, bacterial infections that can be transmitted include cholera... Jan 05, 2018 · See a doctor if you or a loved one experience these symptoms after ingesting feces: dehydration. bloody diarrhea or blood in stool. sudden difficulty breathing. acting disoriented or confused. Human feces can be home to very harmful strains of bacteria as well as residual traces of drugs and foods that may prove dangerous to dogs if eaten in sufficient quantities. If you suspect that your dog has become ill as a result of eating human feces, it may be wise to seek veterinary help if the symptoms persist.