Diarrhea can have a profound effect on the quality of life because fecal incontinence is one of the leading factors for placing older adults in long term care facilities (nursing homes). Causes
In the latter stages of human digestion, ingested materials are inundated with water and digestive fluids such as gastric acid, bile, and digestive enzymes in order to break them down into their nutrient components, which are then absorbed into the bloodstream via the intestinal tract in the small intestine. Prior to defecation, the large intestine reabsorbs the water and other digestive solvents in the waste product in order to maintain proper hydration and overall equilibrium. Diarrhea occurs when the large intestine is prevented, for any number of reasons, from sufficiently absorbing the water or other digestive fluids from fecal matter, resulting in a liquid, or "loose", bowel movement.Acute diarrhea is most commonly due to viral gastroenteritis with rotavirus, which accounts for 40% of cases in children under five. In travelers, however, bacterial infections predominate. Various toxins such as mushroom poisoning and drugs can also cause acute diarrhea. Chronic diarrhea can be the part of the presentations of a number of chronic medical conditions affecting the intestine. Common causes include ulcerative colitis, Crohns disease, microscopic colitis, celiac disease, irritable bowel syndrome, and bile acid malabsorption. Infections
There are many causes of infectious diarrhea, which include viruses, bacteria and parasites. Infectious diarrhea is frequently referred to as gastroenteritis.
Infantile acropustulosis  is an intensely itchy vesicopustular eruption of the hands and feet. : 205 Involvement of scabies has been suggested.infantile acropustulosis is characterized by itchy papules and vesicles that are similar to those found in scabies "mosquito like bites" but there is absence of the typical burrowing with S like burrows on the skin and can occur in small babies as opposed to scabies mostly found on children and young adults. See also
Acropustulosis
List of cutaneous conditions

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