Can Fatigue, Sore Muscles and Fever Be Caused by Food Allergies?

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A food allergy can occur if your immune system has a strong reaction to the proteins in certain foods and consequently begins producing IgE antibodies.

When these antibodies are released, a whole string of events occurs in the body, leading to a variety of symptoms. Common symptoms of a food allergy include congestion, shortness of breath, skin irritation, hives, nausea and vomiting. The eight most common food allergies include milk, peanuts, tree nuts, fish, soy, wheat and eggs.

Fatigue

Fatigue can occur as a result of inflammation in the sinus cavities. When you have an allergic reaction, your sinuses may become congested, restricting your ability to breathe properly or discharge mucus. Consequently, you can experience sinus pressure in your face, behind your eyes, in your cheeks as well as in your forehead, ears and teeth. All the built up pressure can make you extremely fatigued. To learn more about sinus problems caused by food allergies, click here.

Sore Muscles

Tenderness of the muscles can occur due to the increase in production of histamines. When the body has an allergic reaction, histamine is created. Histamine is a substance that protects the body from infection. Excessive levels of histamine produced during an allergic reaction can result in swelling and inflammation of soft tissue. Consequently, muscles in your lungs, stomach and joints can become sore and tender if you consume an allergen.

Fever

A fever is typically not a symptom of an allergic reaction and is most likely the result of a secondary infection, such as sinitus. Food allergies can trigger sinus infections, which can cause a fever. If you have a fever, consult a doctor for a proper diagnosis.

Sources: MayoClinic, Livestrong

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