Metallic Taste in My Mouth After Food

If you a certain type of food leaves a metallic taste in your mouth, you may be allergic to that food. states that common symptoms of a food allergy include a metallic taste in the mouth, respiratory complications, digestive symptoms and skin reactions. Food allergies can cause severe reactions and need to be evaluated by your doctor. Stop eating foods that cause a metallic taste to form in your mouth until you can be seen by your physician. Allergy tests can confirm if you’re allergic to a specific food or not.


Food Allergy Symptoms

Food allergy symptoms can develop in a few minutes after you eat certain foods that trigger a chain of symptoms. The most common symptoms from a food allergy include hives, itchy skin, tingling in the mouth, metallic taste in the mouth, trouble breathing, wheezing, diarrhea, throat tightness and vomiting, according to You may also develop nasal complications, such as a runny nose, sneezing and sinus pressure pain. Severe allergic reaction symptoms may cause your throat to swell, dizziness and facial swelling.


After eating a food that you’re allergic to, your immune system overreacts, triggering the production of various chemicals that cause food allergy symptoms, such as a metallic taste in your mouth. The American Academy of Allergy, Asthma and Immunology states that your immune system attacks the proteins in the food by creating immunoglobulin E, or IgE, antibodies. The presence of these antibodies causes mast cells located in soft tissue to produce histamine. Histamine is the primary chemical in the body that causes inflammation and irritation, leading to most food allergy symptoms.


Your doctor may recommend performing an elimination diet to determine which foods are triggering your symptoms. states that this type of diet requires that you remove certain suspected food allergens from your diet. After two weeks, you introduce each food back into your diet, one at a time, to determine if any of them cause allergy symptoms. Allergy tests may be performed to identify the production of IgE antibodies using your skin and blood.


The most effective way to treat a metallic taste in your mouth from a food allergy is to eliminate and avoid the consumption of foods you’re allergic to. Once you’ve ingested a food to which you have an allergy, you will have to wait for the food proteins to be expelled from your body for your symptoms to subside.


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