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When lactose intolerance is due to secondary lactase deficiency, treatment of the underlying disease may allow lactase activity to return to normal levels. [6] In people with celiac disease, lactose intolerance normally reverts or improves several months after starting a gluten-free diet, but temporary dietary restriction of lactose may be needed.
Signs and symptoms usually begin 12–72 hours after contracting the infectious agent. [15] If due to a virus, the condition usually resolves within one week. [18] Some viral infections also involve fever, fatigue, headache and muscle pain. [18] If the stool is bloody, the cause is less likely to be viral [18] and more likely to be bacterial. [19]
Symptoms normally present themselves after 1–3 days, and are usually no longer present after a week. The frequency of urges to defecate, the large volume of liquid feces ejected, and the presence of blood, mucus, or pus depends on the pathogen causing the disease. Temporary lactose intolerance can occur, as well.
The stomach flu brings on that dreadful combination of nausea, stomach pain, cramping, diarrhea and vomiting, and it can leave you stuck in bed for days. Officially known as viral gastroenteritis ...
The 24-hour flu is usually a type of gastroenteritis, which is an inflammation of the intestines and stomach, says William Schaffner, M.D., an infectious disease specialist and professor at the ...
According to CDC figures, more than 200 outbreaks of norovirus — which is sometimes referred to as the stomach flu or stomach bug, though it has no official ties to influenza — have occurred ...
This is an autosomal recessive disorder and infants that can’t break down lactose have trouble with breastmilk, and develop diarrhea starting from birth. Sometimes, even those with lactase-persistence can develop temporary lactose intolerance as a result of infection or inflammation in the small intestine.
Up to half of infected people develop a temporary lactose intolerance leading to symptoms that may mimic a chronic infection. [1] Some people experience post-infectious irritable bowel syndrome after the infection has cleared. [7] Giardiasis has also been implicated in the development of food allergies. [7]