Two main strategies have been developed to block the effects of cysteinyl leukotrienes in the airway. One method is to use drugs that prevent their synthesis (using a 5-lipoxygenase inhibitor) and the other involves interfering with the binding of cysteinyl leukotrienes to their cellular receptor using a leukotriene receptor antagonist (LTRA). (more…)
Leukotrienes can be found in the airway and urine following both spontaneous exacerbations of asthma and acute exposure to bron ...
Antihistamines have been shown to be effective in seasonal allergic rhinitis and chronic idiopathic urticaria. They improve qua ...
The cysteinyl leukotrienes (LTC 4 , LTD 4 and LTE 4 ) are lipid mediators produced from an arachidonic acid precursor following ...
A variety of proinflammatory cells, mediators, and cytokines orchestrate the development of airway hyperresponsiveness, which r ...
The prevalence of aspirin-sensitive asthma is uncertain although it may exist in up to 20% of all asthmatics patients. The char ...
Diagnosis of food hypersensitivity is a clinical challenge and the only current definitive test is the Double Blind Placebo-Controlled Food Challenges. Although the Double Blind Placebo-Controlled Food Challenges is the current gold standard, it is difficult to perform and is very time-consuming. Hence, researchers are continually evaluating new tests and assessing the value of the available serum tests. (more…)
The food eating challenges materials used at different centers vary considerably. Some centers use freeze-dried foods, some use con ...
Over the last 5 years some studies have suggested that the atopy patch test (APT) may be a useful test in atopic dermatitis childre ...
The diagnostic approach to allergic food reactions comprises three steps. The first step includes the medical allergy history, ...
This population-based cross-sectional study, funded by a UK government agency, aimed to establish the rate of sensitization to food ...
If you suspect that certain foods trigger wheezing or asthma symptoms in your child, your first action should be a consultation ...
Over the last 5 years some studies have suggested that the atopy patch test (APT) may be a useful test in atopic dermatitis children who have suspected food hypersensitivity and may even obviate the need for oral challenges. An alternative test to oral allergy challenges with high sensitivity and specificity would be helpful in the diagnosis of food hypersensitivity. (more…)
One of the popular allergy testing besides food allergy testing is skin allergy testing. Allergy patch test is the most commo ...
Diagnosis of food hypersensitivity is a clinical challenge and the only current definitive test is the Double Blind Placebo-Control ...
This population-based cross-sectional study, funded by a UK government agency, aimed to establish the rate of sensitization to food ...
The diagnostic approach to allergic food reactions comprises three steps. The first step includes the medical allergy history, ...
The food eating challenges materials used at different centers vary considerably. Some centers use freeze-dried foods, some use con ...
By definition, allergy is a condition where a person has hypersensitivity to an environmental, drug, or food antigen (allergen) caused by an altered or unusual immune system reaction to the antigen.
Allergenic foods can impact the lungs when an allergic reaction individual inhales food particles that may have been released when the food was cooked or that were dispersed in aerosol form. Allergy to the allergens in cooked food has been reported by highly allergic patients who were exposed to their allergenic foods (say, fish, shellfish, or eggs) in an enclosed area (for example, a restaurant dining room) or during meal preparation. Most cases of asthma triggered by aerosolized food allergens involve adults engaged in specific occupations that regularly expose them to the allergens. In contrast, most cases of asthma in children are triggered when the allergen is eaten, not inhaled.
Many experts believe that if a baby can be protected from becoming sensitized to the most highly allergenic foods when their healthy immune system and the digestive tract are in the most vulnerable stage for allergy to develop, the incidence of lifelong food allergy and potentially life-threatening anaphylactic reactions to foods will be reduced and hopefully entirely prevented. When a baby has been identified to be at risk for developing allergy, measures to reduce allergic sensitization might be implemented at birth and the problems associated with future food allergy may be significantly reduced. However, as we shall see in later discussions, experts disagree on the best way to avoid this early allergic sensitization.
The reaction of asthmatics to these chemical compounds is not an allergy, but is more correctly described as allergy intolerance because the initial response is not a triggering of the immune system. The process involves an increase in the level of the inflammatory mediators that are responsible for the bronchospasm of asthma. These mediators include histamine and leukotrienes. They are released during the reaction to an allergen, and cause the muscular contractions that result in the difficulty in breathing and wheezing that are typical of asthma. By inhibiting (or turning off) other types of mediators, the chemicals in the food additives cause an increase in the level of antihistamine and leukotrienes. This results in increased bronchospasm, and a definite worsening of the asthma symptoms.
Oral allergy syndrome is an allergic reaction to food that is confined to the oral cavity (i.e., to the lips, and around the lips, roof of the mouth, tongue, hard and soft palate, and uvula) and adjacent structures. It differs from other food allergy in that its symptoms do not appear in any other location in the body, and always accompany respiratory allergy to inhaled allergens of plants, particularly plant pollens. Of course, symptoms in the mouth, throat, and upper respiratory tract can be part of a generalized reaction to foods, but in this case they are more accurately described as oral allergy symptoms. The term oral allergy syndrome applies specifically to pollen allergy (pollinosis) accompanied by reactions to certain raw foods when they are in direct contact with oral tissues. Individuals with Oral allergy syndrome typically have hay fever symptoms caused by allergies to trees, grasses, and weeds. They experience irritation in the mouth (lips, tongue, roof of the mouth) and sometimes the throat after eating specific types of raw fruits, vegetables, and sometimes nuts.
The oral allergy syndrome is difficult to detect. Common allergy tests to examine allergy are using extracts only in skin scrat ...
Oral allergy syndrome is one form of allergy that body have allergic reaction to fruits and vegetables. Based on statistics fa ...
Many children are living with asthma. Asthma is a lung disease because the constriction of small airways (bronchioles). When th ...
Oral allergy syndrome has been most often reported in people who have respiratory allergy (such as hay fever) to specific plant ...
Childhood is the period of life when allergies to food are most prevalent. Food allergy is much more common in babies and young ...
The increasing prevalence of allergic disease in the Western world has led to the concept of the ‘allergic march’ to describe the evolving spectrum of disease that often begins in childhood. The use of allergen immunotherapy in children has the potential of altering the natural course of allergic disease. However, concerns regarding the safety of using this treatment in children are an obstacle to attenuating the allergic march. The study of Di Rienzo and colleagues reviews the safety of Sublingual Immunotherapy in children between the ages of 3 and 5 years. (more…)
Allergen-specific immunotherapy aims to correct the underlying immune imbalance associated with specific immunotherapy allergic rhi ...
The immunologic mechanisms of sublingual immunotherapy are less established. In Cochrane analysis, the authors concluded that t ...
The specific treatment of allergy has previously relied upon allergen avoidance and sublingual immunotherapy. These approaches have ...
The safety of immunotherapy has been a constraint on this form of treatment for allergic disease. Although retrospective survey ...
Allergic rhinitis is a high-prevalence disease. This high prevalence translates into a high cost to society in terms of overall ...
Cow’s milk allergy results when antibodies against milk allergens are produced by the immune system.
Milk allergens are proteins; more than 25 distinct milk proteins have been identified in the various fractions of milk. The fractions include casein, whey, serum, and certain additional ingredients. (more…)
Cow’s milk is the most frequently encountered food allergen in infancy, and milk allergy is often the earliest indicator that ...
Cow’s milk is the most frequently encountered food allergen in infancy, and milk allergy is often the earliest indicator that a ...
How frequently do you drink milk everyday or every week? Feel something strange after you drink your last milk? Perhaps you don ...
Terms Indicating the Presence of Cow’s Milk Components Butter, Butter fat, Butter-flavored oil, Butter solids, Whipped but ...
If the breast-fed baby is lactose intolerant (usually a temporary condition following intestinal infection at this age), moth ...
Asthma as disease affects approximately 15 million people in the United States alone. Asthma affected 70 percent more women than men. One way to help ease asthmatic symptoms is by eating healthy and variety of foods that give your body a few health benefits. If these foods are healthy, so your body is. The vitamins, minerals and nutrients strengthen your body, so that the body functions efficiently and effectively. (more…)
Asthma can be the result of many different things. A lot of the causes can be from genetics. If both parents have asthma, the c ...
At health food stores, customers are complaining about food allergies more often now with statements like, "I can't eat this", or " ...
Food is essential for sustaining human life. Many love to eat and find enjoyment in this activity. But there are literally thou ...
The most important aspect of managing food allergies in children and babies is to be sure that the developing child has each an ...
Many people affected with celiac disease have no idea what's going on until they have gone through years of painful diarrhea, b ...
Patients (and many doctors) frequently use the term ‘allergy’ when referring to any adverse drug reaction, even one that has no features of an IgE-mediated allergy response. However, IgE-mediated allergy explains only about 10% of all adverse reactions to antigen antibody reactions from antibiotics. Patients who have experienced unexplained symptoms during treatment with two or more antibiotics are often said to have ‘multiple antibiotic allergy’; using this definition, the description can be applied to one patient in every 22. (more…)
This study compared the diagnostic value of intradermal tests and patch tests in 20 patients with non-immediate reactions to pe ...
Suspected drug allergy is not easy to investigate. In the UK, few centers have the necessary facilities and expertise, the evid ...
Drug allergy reactions may be classified, at least theoretically, according to one of four implicated immunologic mechanisms, a ...
Allergy skin testing is probably the most susceptible and practical way to monitor for existing allergy sensitivity. Biological ...
One of the popular allergy testing besides food allergy testing is skin allergy testing. Allergy patch test is the most commo ...
First-generation, relatively sedating oral H1 antihistamines such as diphenhydramine and chlorpheniramine have no role in the out-of-hospital management of children with allergic rhinitis diseases. Most of the older H1 antihistamines, although available in palatable liquid formulations, have not been optimally studied in infants or allergy in children. (more…)
Avoidance of respiratory irritants such as environmental tobacco smoke, whether actively or passively inhaled, is universally recom ...
Expert GA ² LEN, the Global Network European Allergy and Asthma European Academy of Allergy and Clinical Immunology, EAACI, warn th ...
As a person who suffered form allergies and have a profession as family physician, I have much sympathy for those struggling with i ...
Indoor allergy is generally happens throughout the year and especially in children as they are the most victims of this type of ...
Antihistamines have been shown to be effective in seasonal allergic rhinitis and chronic idiopathic urticaria. They improve qua ...
Gastrointestinal allergy can be classified according to the triggering antigen, the mechanism of immune reaction, or the anatomic site of reaction.
Gastrointestinal allergy may be triggered by food components (e.g. food proteins or glycoproteins), and by other antigen antibody reaction to (e.g. bacterial disease, viral, fungal, and worm antigen), drugs and chemicals, (more…)
Do you have a food allergy? A recent study by the U.S. government has concluded that data from the past on food allergy was not ...
Having a food intolerance test is becoming increasingly popular nowadays. This is because the symptoms of indigestion, stomach ...
Food allergies are becoming popular topics in the news at the moment. Based on a recent report by the CDC, the number of people ...
Cow’s milk is the most frequently encountered food allergen in infancy, and milk allergy is often the earliest indicator that a ...
Childhood is the period of life when allergies to food are most prevalent. Food allergy is much more common in babies and young ...