Based on the substance and tenor trigger symptoms, food allergies are divided into three types, namely immunoglobulin E, non-immunoglobulin E, and a combination of both.
Immunoglobulin E is one of the antibodies in the immune system. Food allergies are triggered by the production of this substance is a type of food allergy is the most common and the usual symptoms will appear shortly after the patient ate.
As for the meal allergies are triggered by substances other than the antibody immunoglobulin E, a span of symptoms will require a longer time or the usual hours after the patient ate.
The latter type of food allergy is a combination of immunoglobulin E and non-immunoglobulin E. People who suffer from this condition will experience symptoms of both types of allergies such foods.
Symptoms of Food Allergy
People with food allergies are triggered by substances immunoglobulin E, will typically experience symptoms such as a red rash and itching skin, tingling or itchy sensation in the mouth, difficulty swallowing, and swelling of the mouth, face, and other body parts. Texture allergic rash usually appears arise on the surface of the skin.
In addition to these symptoms, food allergy sufferers this type there are also experiencing the symptoms of nausea and vomiting, itchy eyes, sneezing, nausea or dizziness, diarrhea, abdominal pain, and shortness of breath.
In the case of food allergies non-immunoglobulin E, the main symptom that arises is actually almost the same as the symptoms of food allergy mediated by immunogbulin E substance, namely the emergence of itching and skin rashes. But the difference, texture rash on the type of allergy does not seem to arise. In addition there are experiencing symptoms such as atopic eczema, which is when the skin looks dry and cracked, red, and itchy.
Sometimes food allergies non-immunoglobulin E can bring the same symptoms as caused by other conditions. This means it can be difficult to distinguish the causes and the symptoms can not be deemed as allergic reactions. These symptoms include:
- Genital area and the anus appear reddish.
- Indigestion.
- Constipation.
- Heartburn.
- Increased frequency of bowel movements.
- The presence of mucus or blood in the stool.
- Pale skin.
- Fussy baby.
Do not underestimate food allergies because in certain cases can lead to a condition called anaphylaxis or severe allergic reactions. The early symptoms of anaphylaxis does look like regular food allergy symptoms, but in a very quick time, symptoms can worsen and patients may experience an increase in heart rate is very fast, difficult breathing, blood pressure drops dramatically, and fainting. If not handled properly, anaphylaxis can even cause death.
Foods Cause Allergies
All food has the potential to cause allergies. However, there are some certain foods that are very common causes of these conditions, such as shrimp, lobster, crab, fish, and nuts.
Allergies result nuts commonly experienced by children. Besides nuts, children can also experience allergic reaction after consuming milk, eggs, wheat, and soybeans. Milk allergy in children often cause symptoms mixture is in the allergic immunoglobulin E and non-immunoglobulin E, which is swelling and constipation.
Factors Enhancing Food Allergy Risk
If you suffer from allergies other than food allergies, then your chances of developing allergies to foods is greater than those who have never had any allergies. Additionally, if you have a history of asthma, the risk of food allergies is also higher because both of these conditions tends to arise simultaneously.
Your chances of developing food allergies are also higher if there are family members who have a history of allergies, disease urticaria, eczema, or asthma.
The latter is a risk factor of age. Children and infants are more susceptible to food allergies than adults due to the absorption of the human digestive system against allergens foods tend to decline with age developments.
Although food allergies tend to disappear when someone gradually mature, but in some cases, this condition could re-emerge when they are adults. Moreover, if the children are allergic to shrimp, lobster, and crab, or often experience a severe allergic reaction, then the conditions they could be kept there for life.
Diagnosis of Food Allergy
In diagnosing a food allergy, a doctor may ask about the pattern of symptoms and the patient's medical history before deciding conduct laboratory tests.
In addition to the span of the appearance of symptoms after exposure to food, severity, and duration of the symptoms appear, the doctor will also ask about the level of frequency of appearance of symptoms and the food is what might be the cause.
Doctors also usually want to ascertain whether the patient has a family history of allergies or whether the patient themselves have a history of allergies, although it is not a food allergy.
After a description of the patient considered, the doctor will usually perform further tests to confirm the diagnosis. The first type of examination is a blood test to measure levels of allergy antibodies or immunoglobulins in the bloodstream.
In addition to antibody assays in the laboratory, other types of tests that can be done is the skin prick test. In this test, the doctor will put the substance of extract a food allergen is suspected of causing your allergies. Furthermore, doctors poking the skin with a small needle is sterile so the allergen into the skin cells. If after we have experienced an allergic reaction, such as redness, itching, or swelling of the skin, then we are positive with a food allergy tested.
The third type of examination is a food elimination test. In this test, the doctor will assign you to avoid some type of food allergy is suspected to be the cause for half to one and a half months, then after that taking them back.
If during this period you will no longer have an allergic reaction, but instead re-experienced after the food consumed again, then you are suffering from a food allergy positive.
Blood tests and skin prick test is usually performed on patients suspected of having a food allergy mediated immonoglobulin E substance, namely when the symptoms develop very quickly. While the food elimination test is usually performed in cases of non-food allergies immonoglobulin E, which is when symptoms develop slowly.
Please keep in mind that do not try to test food allergy alone without supervision or guidance of a specialist in order to avoid harmful side effects, one of which is a severe allergic reaction or anaphylaxis.
Food Allergy Treatment
Actually there is no cure for food allergies. The purpose of giving the drug here is to relieve allergic reactions appear. Because it would be nice for you to recognize foods and avoid your allergy triggers.
Based on the severity of symptoms, there are two types of allergy medications are commonly used. The first is an antihistamine drug. This drug is used to relieve allergic reactions or allergy symptoms are still relatively mild to medium.
It is important to consult a doctor before taking this drug, because there are several types of antihistamines are not suitable for use by children younger than 2 years, such as promethazine and alimemazine.
The second type of allergy medicines are drugs containing adrenaline. These drugs are usually given by doctors to cope with a severe allergy symptoms in case of anaphylaxis by injection. Adrenalin is able to relieve the symptoms difficult to breathe in a way to widen the airway, as well as tackling low blood pressure.
The Right Time To go to the doctor
If you or your child has an allergic reaction shortly after eating a food, it is recommended to immediately see a doctor. In addition to preventing the worsening of symptoms, it can also facilitate the physician in making a diagnosis.
If your child, or the people around you are experiencing symptoms of anaphylaxis or severe allergic reaction, immediately brought to the hospital. Handling is given as soon as possible would be beneficial to increase the chances of the patient to survive.
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