Saturday, April 8, 2017

Food allergies - Symptoms, Causes, Diagnosis And Treatment

Food allergy is an allergic reaction caused by our immune system mistakenly responds proteins derived from food and take it as a threat. One allergic reaction that can appear in the form of itching and rashes on the skin .
 Food allergies - Symptoms, Causes, Diagnosis And Treatment
 Food allergies -

Based on the trigger substances and tenor symptoms, food allergies are divided into three types, namely immunoglobulin E, a 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 these substances is a type of food allergy is most common and usual symptoms will appear shortly after the patient ate.
As for the meal allergies triggered by substances other than the antibody immunoglobulin E, a span of symptoms will require more time or usually hours after the patient ate.
Last type of food allergy is a combination of immunoglobulin E and non-immunoglobulin E. People suffering from this condition will experience symptoms of both types of the food allergy.

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 on the 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 skin surface. In addition to these symptoms, patients with this type of food allergy 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 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 is not visible signage. In addition there are experiencing symptoms such as atopic eczema, which is when the skin looks dry and chapped, red, and itchy.
Sometimes a food allergy non - immunoglobulin E may raise the same symptoms as caused by other conditions. This means it can be difficult to distinguish the cause of the symptoms and can be regarded not as an allergic reaction. 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 initial symptoms of anaphylaxis does look like regular food allergy symptoms, but in a very quick time, symptoms can worsen and patients may have increased very fast heartbeat, difficulty 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 certain types of food which is a very common cause of the condition, such as shrimp, lobster, crab, fish, and nuts. Allergies due to the nuts commonly experienced by children. Besides nuts, children can also experience allergic reaction after consuming milk, eggs, wheat, and soy. 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 getting more food allergies than people who have never had any allergies. Additionally, if you have a history of asthma, food allergy risk is also higher for 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 babies are more prone 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 can reappear as they mature. 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 the patient's symptoms and 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 symptoms, the doctor will also ask about the level of frequency of occurrence of symptoms and the food is what might be the cause.
Doctors also usually like 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 are considered, a doctor may 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 levels in a laboratory test, the type of other tests that can be done is the skin prick test. In this test, the doctor will put the substance of extract a food allergen that is thought to cause your allergies. Furthermore, the doctor poked the patient's skin with a small needle is sterile so the allergen into the skin cells. If after we have an allergic reaction, such as redness, itching, or swelling of the skin, we are positive with a food allergy tested.
The third type of examination is food elimination test. In this test, the doctor will assign you to avoid some types of foods suspected to cause allergies for a half to one and a half months, then after taking them back.
If during this period you will no longer have an allergic reaction, but instead re-experienced after the food is consumed again, then you are positive with food allergies.
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, that is when the symptoms develop slowly.
Please keep in mind that do not try to test food allergy alone without supervision or guidance of a physician 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 aim here is the administration of drugs 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 that are commonly used. The first is an antihistamine drug. This drug is used to relieve the symptoms of allergic reaction or allergy is still relatively mild to medium.
It is important to consult with a doctor before taking this drug, as there are several types of antihistamines are not suitable for use by children under the age of 2 years, such as promethazine and alimemazine.
The second type of allergy medicines are medicines 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 of difficulty breathing 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 meal, 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 patient survival.

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