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Milk allergy is an adverse immune reaction to one or more proteins in cow's milk.Symptoms may take hours to days to manifest, with symptoms including atopic dermatitis, inflammation of the esophagus, enteropathy involving the small intestine and proctocolitis involving the rectum and colon. [2]
When symptoms are present, treatment is typically provided with either tinidazole or metronidazole. [1] Infection may cause a person to become lactose intolerant, so it is recommended to temporarily avoid lactose following an infection. [1] Resistance to treatment may occur in some patients. [1] Giardiasis occurs worldwide. [5]
Lactose intolerance is distinct from milk allergy, an immune response to cow's milk proteins. They may be distinguished in diagnosis by giving lactose-free milk, producing no symptoms in the case of lactose intolerance, but the same reaction as to normal milk in the presence of a milk allergy. A person can have both conditions.
Not to be confused with lactose intolerance. [27] Allergy to cow's milk is the most common food allergy in infants and young children [11] but most outgrow the allergy in early childhood. Introducing baked cow's milk to allergic patients is associated with accelerated resolution of milk allergy. [28]
Roughly 10% of children with a milk allergy will have a reaction to beef. [47] Lactose intolerance, a common reaction to milk, is not a form of allergy at all, but due to the absence of an enzyme in the digestive tract. [48] Those with tree nut allergies may be allergic to one or many tree nuts, including pecans, pistachios, and walnuts. [44]
After tracking hundreds of children, researchers conclude that babies who eat peanut protein early and often in their first five years of life are 71% less likely to be allergic to peanuts at age 12.
Food allergies affect up to 10% of the worldwide population, and they are currently more prevalent in children (~8%) than adults (~5) in western nations. [34] In several industrialized countries, food allergies affect up to 10% of children. [95] Children are most commonly allergic to cow's milk, chicken eggs, peanuts, and tree nuts. [21]
According to the Mayo Clinic, “Allergy symptoms, which depend on the substance involved, can affect your airways, sinuses and nasal passages, skin, and digestive system.” [5] The severity of the following symptoms varies from child to child. [5] The symptoms of indoor and outdoor allergies in children may include: [18] [19] Runny nose