Archive for the ‘swelling’ Category
Monday, October 13th, 2008
Allergies are triggered by various allergy-causing substances (allergens) such as pollens, molds, and animal dander. In the springtime, typical allergens are pollens that come from grasses and trees. During the rest of the year, other allergens such as pet dander, mites found within house dust, and molds are common.
Most people who have allergies have inherited them; however, allergies can develop on their own later in life. People with allergies have an antibody called IgE (immunoglobulin E). This substance causes an excessive reaction to allergens. Typical allergy symptoms include repetitive and prolonged sneezing, runny or plugged nose, itchy, watery, red or swollen eyes, and itchy throat. Other common allergic reactions include skin and intestinal problems, such as hives, itchiness, rashes, diarrhea and headache.
Are allergies life-threatening?
Allergies are rarely life-threatening, but serious allergic reactions can occur. These include swelling of the respiratory passages, shortness of breath, and anaphylactic reaction. People who suffer from allergies have an increased chance of developing respiratory infections and may be more susceptible to developing asthma. The majority of allergy sufferers are affected by reduced efficiency in daily activities, decreased energy levels, and a reduced quality of life.
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Friday, October 10th, 2008
AAAAI and FAAN educate about dangers of anaphylaxis
With the upcoming school year approaching, the American Academy of Allergy, Asthma and Immunology (AAAAI) and the Food Allergy & Anaphylaxis Network (FAAN) are asking every parent of a child with food allergies or a known insect sting allergy to alert their child’s school to the condition and have an action plan ready.
A potentially life-threatening allergic reaction, called anaphylaxis, can be triggered by exposure to one or more allergens, including foods, insect stings, drugs, and latex products. Anaphylaxis can affect multiple areas of the body (such as skin, respiratory tract, gastrointestinal tract and the cardiovascular system). Symptoms can include severe headache, nausea and vomiting, sneezing and coughing, hives, swelling of the lips, tongue and throat, itching all over the body, and anxiety. The most dangerous symptoms include difficulty breathing, a drop in blood pressure, and shock - all of which can be fatal.
“All school staff must be made aware of the potentially severe nature of an anaphylactic reaction,” said S. Allan Bock , MD , FAAAAI, and Chair of the AAAAI’s Anaphylaxis Committee. “Parents need to work together with teachers, coaches and school nurses to avoid triggers and act quickly if a reaction occurs.”
To protect your child, and prevent anaphylaxis, the AAAAI and FAAN encourage parents to take the following steps before the school year begins:
* Work with an allergist/immunologist to identify your child’s triggers and reinforce these to your child. If possible, provide your child with a medical bracelet or necklace that identifies his or her specific allergy.
* Tour your child’s school or childcare facility before school starts, and meet with the staff to inquire about policies regarding foods and other potential triggers brought into the classroom.
* Provide staff with information and resources to educate them about your child’s allergy. Have your child’s allergist/immunologist provide clear, written instructions on recognizing a reaction early and administering medication in case of a reaction. Inform staff to call 911 immediately if a reaction occurs.
* Teach staff when and how to properly administer medications such as injectable epinephrine, encouraging them to handle the medication and ask questions. Explain to them that they cannot delay in administering medication to your child, and that they are obligated to assist your child and to include him or her in normal school activities. Children with a history of anaphylaxis should carry epinephrine with them at all times.
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Wednesday, September 24th, 2008
Anaphylaxis is a “systemic reaction,” which means that various parts of the body are affected that are a distance from the allergen’s initial entry site (e.g., a sting site for insects or the stomach for foods). Symptoms of anaphylaxis can vary from mild to severe and are potentially deadly. Here is a list of possible symptoms that may occur alone or in any combination:
* Skin: hives, swelling, itch, warmth, redness, rash
* Breathing: wheezing, shortness of breath, throat tightness, cough, hoarse voice, chest pain/tightness, nasal congestion/hay fever-like symptoms, trouble swallowing
* Stomach: nausea, pain/cramps, vomiting, diarrhea, itchy mouth/throat
* Circulation: pale/blue color, poor pulse, passing-out, dizzy/lightheaded, low blood pressure, shock
* Other: anxiety, feeling of “impending doom,” red/itchy/watery eyes, headache, cramping of the uterus
Reactions usually begin within minutes of exposure, but may be delayed. Sometimes symptoms resolve, only to recur or progress a few hours later. The most dangerous symptoms are low blood pressure, breathing difficulties, shock and loss of consciousness, all of which can be fatal.
There are a variety of medical conditions that may mimic anaphylaxis. These include heart attacks, anxiety attacks, choking and seizures, among others. If you experience any unusual symptoms, it is vitally important to seek immediate medical attention (e.g., call 911) for prompt treatment and to determine the cause of the symptoms.
Substances that trigger reactions
* Foods: Essentially any food can trigger an allergic reaction, but some of the most common ones that cause severe anaphylaxis are: peanuts, nuts from trees (e.g., walnut, cashew, Brazil nut), shellfish, fish, milk and eggs.
* Stinging insects: The venom of stinging insects such as yellow jackets, honeybees, paper wasps, hornets and fire ants cause discomfort for most people who are stung. However, reactions can be severe and even deadly for people with allergies to these venoms.
* Medications: Virtually any medication can trigger an allergic reaction. Common categories of drugs that cause anaphylaxis are antibiotics and anti-seizure medicines. Medical therapies such as certain post-surgery fluids, vaccines, blood and blood products, radiocontrast dyes, pain medications and other drugs may cause anaphylaxis or anaphylactoid reactions.
* Latex: Some products made from natural latex (from the rubber tree) contain allergens that can trigger reactions in sensitive individuals. The greatest danger of severe reactions occurs when latex comes into contact with moist areas of the body or internal surfaces during surgery, because more of the allergen can rapidly be absorbed into the body.
* Exercise: Although rare, exercise can also trigger anaphylaxis. Oddly enough, it does not occur after every exercise session and in some cases, only occurs after eating certain foods before exercise.
* Other: Anaphylaxis has rarely been associated with exposure to seminal fluid, hormones and exposure to extreme temperatures. When no cause is found and the reaction is definitely anaphylaxis, it is termed idiopathic anaphylaxis.
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Tuesday, June 17th, 2008
More than 20% of the adults and children in the United States are affected by allergies. That means millions of people are affected yearly. These maladies can affect people at various times during their life and during different seasons as well, depending on the cause of the reaction.
Numerous sources can cause people to suffer with an allergic reaction. Some of the common sources of allergies include: pollen, mold, dust mites, and food. If you suspect that you may have an allergy, your doctor may be able to find out exactly what you are allergic to and the best treatment for you.
If you think you are suffering from an allergy related problem, consult your physician to be sure. He will be able to tell you what your allergy is and the best option for your treatment.
In general, allergies are inherited. If either parent or both had allergies, then we may have them too. However, just because dad had an allergy to mold, doesn’t mean your allergy will also be to mold. It does mean that you will stand a far greater chance of having some type of allergy, because dad had one.
Allergies may be the result of the way your body copes with certain substances. Being around elements such as mold or pollen may cause the body to react in an unusual way.
Visible results of an allergic reaction may be: watery eyes, hives, itching, or trouble breathing. If the body’s itching should change to swelling or pain and vomiting, immediate help is required. You may be suffering from anaphylaxis.
Antihistamines, nasal sprays, and decongestants prescribed by your doctor can treat most allergies. If you enforce some lifestyle changes, such as removal of pets or dusting your home more frequently, your exposure to allergens can be greatly diminished.
Sometimes, these methods you have tried don’t work; then, shots may become necessary to help with the allergies. This type of treatment is known as immunotherapy. The shots allow you to remain free of symptoms. For many, the shots present a “cure.” Check with your doctor, if you think that you may indeed have an allergy. You will discover many methods to living an allergy-free life.
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