Casein sensitivity can cause negative symptoms such as abdominal pain, diarrhea, and body aches. There is no reliable diagnostic test, so elimination dieting is used. Symptoms may include headaches, shortness of breath, and chest pain. It can be diagnosed in infancy and may cause skin conditions or respiratory symptoms.
Casein is a type of protein found in milk and many commercially prepared foods. A casein sensitivity can cause any number of negative symptoms, although it’s not technically considered a true allergy. Some of the more commonly reported symptoms that may suggest casein sensitivity include abdominal pain, diarrhea, and aches and pains throughout the body. The exact cause of casein sensitivity is not fully understood, although there may be a genetic component in many cases. The only way to consistently manage this condition is to completely avoid all dairy products and any other food products that contain casein.
There is no reliable diagnostic test available for casein sensitivity, so the diagnosis is generally considered confirmed if symptoms stop after eliminating casein from the diet, a process often referred to as elimination dieting. Gastrointestinal problems are common after consuming foods containing this protein. This can include abdominal pain, intestinal spasms and bouts of urgent diarrhea. These symptoms usually occur within a span of 30 minutes to two hours after consuming casein, although this can vary. It is always advisable to report any bothersome symptoms to a doctor so that more serious medical conditions can be ruled out.
Additional symptoms that may be associated with casein sensitivity include headaches, body aches, or shortness of breath. Sometimes chest pain may also be present, especially when shortness of breath occurs. Some people may experience numbness and tingling, often described as a pins and needles sensation, especially in the hands or feet. If eliminating casein from your diet doesn’t resolve these symptoms, it’s important to see a doctor for further medical evaluation, as some of these symptoms may also indicate a more serious medical condition that may require further testing.
A casein sensitivity can often be diagnosed in infancy, although it can sometimes take longer. Symptoms to look for in children include skin conditions such as hives or eczema or gastrointestinal distress such as vomiting or diarrhea. Respiratory symptoms such as asthma can sometimes be the result of a casein sensitivity. Babies who show signs of any type of dairy allergy or intolerance are often switched to soy-based formula. In most cases, this solves the problem, although some children who have a dairy sensitivity will also react similarly to soy products.
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