Individual approaches to the diagnosis and management of penicillin allergy are practiced    by clinicians.   This cross-sectional survey of physicians was aimed at exploring their ways of dealing with diagnosis and management of penicillin G allergy.   Of the 235 respondents, 63% believed patients’ self-reported history of penicillin allergy and avoided using penic...

The Council acknowledges specific comments from: The American Academy of Allergy, Asthma and Immunology (AAAAI) (Amal H Assa'ad); The American College of Allergy, Asthma and Immunology (ACAAI) (Mark Dykewicz, D. Betty Lew, Bryan L. Martin); The Argentine Association of Allergy and Immunology (Ledit RF Ardusso); The Argentine Society of Allergy and Immunopathology (Estrella Asayag); The Australa...

Although food allergy is a major public health problem, currently there is no effective and safe treatment except to avoid the foods .But the need for new options is critical now as the number of children diagnosed with food allergies rises. Avoiding the offending allergen in the diet is the primary treatment of food allergy. Once a food to which the patient is sensitive has been identified, th...

nasal polyposis is an inflammatory condition of unknown etiology that involves nasal and sinus mucous membrane. these polyps can impair a person’s quality of life by nasal obstruction, recurrent sinusitis, persistent postnasal drainage, hyposmia, anosmia, changes in sense of taste and even bony destruction. it has been shown that chronic inflammation causes a reactive hyperplasia of the intrana...

introduction chronic diarrhea of infancy is a heterogeneous syndrome that includes several diseases with different etiologies. the aim of this study was investigating chronic diarrhea, its etiologies, clinical features and outcomes in infancy.materials and methods retrospective study investigating infants hospitalized in the gastroenterology department of tehran tertiary care center.the main de...

contact dermatitis is an inflammatory reaction of the skin and mucosa to either external or internal factors. it can be divided to two forms of irritant contact dermatitis and allergic contact dermatitis. nickel is one of the most common materials that causes allergic contact dermatitis and is widely used in orthodontic appliances. the inflammatory reaction to this metal in orthodontics is usua...

inhalation of fungal spores is shown to participate in the development of allergic rhinitis symptoms. in this study, relation between presence of alternaria in the human nasal cavity and allergic rhinitis is assessed. in a case-control study, 58 allergic rhinitis patients were compared with a well-matched control group of fifty healthy volunteers for sensitization to alternaria (by skin prick t...

food dependent exercise-induced allergy is a rare condition. however, the occurrence of anaphylaxis is increasing especially in young people. the diagnosis of anaphylaxis is based on clinical criteria and can be supported  by laboratory tests such as serum tryptase and positive skin test  results  for  specific ige  to  potential  triggering allergens. anaphylaxis prevention needs strict avoida...

the efficacy of allergen immunotherapy for the treatment of allergic rhinoconjunctivitis with or without seasonal bronchial asthma and anaphylaxis caused by the sting of the hymenoptera class of insects has been clearly demonstrated in numerous well-designed, placebo-controlled trials. immunotherapy whether by subcutaneous injection of allergen extract or by oral/sublingual routes modifies peri...