Allergenic foods are basically foods that are known to cause allergies in certain individuals.
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| If you suspect that your child has a food allergy, you should keep a food diary. Be sure to list everything that you feed her, and keep the labels of any commercial products as well to show the doctor. Photos: Positive Parenting |
A food allergy is a result of an immune system response to the presence of specific food types. It is different from food intolerance, which is a digestive system response (e.g. what happens when your child’s body has difficulty digesting food).
There are eight major types of allergenic foods, namely milk, eggs, fish, crustacean shellfish, tree nuts, peanuts, wheat and soybean.
Recognising food allergy
In general, the symptoms associated with food allergies can be difficult to connect to specific foods. Typical allergy symptoms include hives; flushed skin or rash; mouth feels tingly or itchy; face, tongue or lip swelling; vomiting and/or diarrhoea; abdominal cramps; coughing or wheezing; dizziness and/or light-headedness; swelling of the throat and vocal cords; difficulty breathing; and loss of consciousness.
Since young children may not know how to adequately describe the symptoms, they may say things like “My mouth feels tingly” or “My tongue feels heavy/numb”. The key is to stay alert for any signs of distress which could indicate an allergic reaction.
Food allergies often cause symptoms within two hours of ingestion, with some reactions happening within minutes. However, there are very rare cases where the reaction is delayed by up to six hours or more.
There is another type of food allergy with delayed reaction known as Food Protein-Induced Enterocolitis Syndrome (FPIES). This is a severe gastrointestinal reaction which usually occurs two to six hours after consuming milk, soy, certain grains or certain solid foods.
It typically occurs in young infants exposed to these foods for the first time. FPIES can lead to episodes of repetitive vomiting, which in turn can lead to dehydration. Some babies will even develop bloody diarrhoea.
While food allergies can be serious, there are steps you can take to manage this condition. Once food allergy is suspected, a diagnostic test should be done to complement the clinical history. This is done via a skin prick test or a blood test.
Handling food allergy
There are eight major types of allergenic foods, namely milk, eggs, fish, crustacean shellfish, tree nuts, peanuts, wheat and soybean.
Recognising food allergy
In general, the symptoms associated with food allergies can be difficult to connect to specific foods. Typical allergy symptoms include hives; flushed skin or rash; mouth feels tingly or itchy; face, tongue or lip swelling; vomiting and/or diarrhoea; abdominal cramps; coughing or wheezing; dizziness and/or light-headedness; swelling of the throat and vocal cords; difficulty breathing; and loss of consciousness.
Since young children may not know how to adequately describe the symptoms, they may say things like “My mouth feels tingly” or “My tongue feels heavy/numb”. The key is to stay alert for any signs of distress which could indicate an allergic reaction.
Food allergies often cause symptoms within two hours of ingestion, with some reactions happening within minutes. However, there are very rare cases where the reaction is delayed by up to six hours or more.
There is another type of food allergy with delayed reaction known as Food Protein-Induced Enterocolitis Syndrome (FPIES). This is a severe gastrointestinal reaction which usually occurs two to six hours after consuming milk, soy, certain grains or certain solid foods.
It typically occurs in young infants exposed to these foods for the first time. FPIES can lead to episodes of repetitive vomiting, which in turn can lead to dehydration. Some babies will even develop bloody diarrhoea.
While food allergies can be serious, there are steps you can take to manage this condition. Once food allergy is suspected, a diagnostic test should be done to complement the clinical history. This is done via a skin prick test or a blood test.
Handling food allergy
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| These are the typical symptoms of a food allergy. |
Once you have ascertained that your child has a food allergy, the best thing that can be done is to avoid the food in question, especially if she exhibits a severe reaction. Do note that if she has an allergy to a specific food, she may also be allergic to other related foods, e.g. one who is allergic to shrimp may also be allergic to crab.
Pay more attention to the ingredients list when you go grocery shopping.
Major allergenic foods may be listed clearly, e.g. “lecithin” (soy), “flour” (wheat), and “whey” (milk).
Some manufacturers may use a statement on the packaging stating that their product contains certain ingredients, e.g. “contains wheat, milk, and soy”.
There are also some manufacturers who list allergenic foods as “binder” or “emulsifiers”, which could signal the presence of eggs or soy respectively.
If you suspect that your child has a food allergy, you should keep a food diary. Be sure to list everything that you feed her, and keep the labels of any commercial products as well.
This will be a great help in assisting your paediatrician/allergist in determining if she is indeed allergic to any foods. Your child’s paediatrician/allergist will take any family and medical history necessary and carry out any relevant tests to determine if a food allergy exists.
If you do discover that your child has a severe reaction to certain foods, be sure to inform her school and caregivers about her condition. It may be helpful to provide them with an emergency card detailing how to prevent, recognise and manage her food allergies.
Pay more attention to the ingredients list when you go grocery shopping.
Major allergenic foods may be listed clearly, e.g. “lecithin” (soy), “flour” (wheat), and “whey” (milk).
Some manufacturers may use a statement on the packaging stating that their product contains certain ingredients, e.g. “contains wheat, milk, and soy”.
There are also some manufacturers who list allergenic foods as “binder” or “emulsifiers”, which could signal the presence of eggs or soy respectively.
If you suspect that your child has a food allergy, you should keep a food diary. Be sure to list everything that you feed her, and keep the labels of any commercial products as well.
This will be a great help in assisting your paediatrician/allergist in determining if she is indeed allergic to any foods. Your child’s paediatrician/allergist will take any family and medical history necessary and carry out any relevant tests to determine if a food allergy exists.
If you do discover that your child has a severe reaction to certain foods, be sure to inform her school and caregivers about her condition. It may be helpful to provide them with an emergency card detailing how to prevent, recognise and manage her food allergies.
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