BACKGROUND Various studies have reported a low prevalence of allergic rhinitis in farmers and farmers' children. We sought to investigate whether the protective effect of childhood farm environment is conserved throughout adulthood and how it corresponds to different degrees of urbanization. METHODS A questionnaire on respiratory health was mailed in 2008 to 30,000 randomly selected subjects ...

The aim of the study was to investigate the association between asthma, allergic rhinitis, and eczema in Qatari schoolchildren with allergic conditions in their parents. A cross-sectional study was conducted among 3500 Qatari schoolchildren aged 6-14 years in period: February, 2003-February, 2004. A questionnaire was used to collect the clinical history of asthma and allergic rhinitis in their ...

Seasonal allergic rhinitis (SAR) is one of the top reasons for patient visits to primary care physicians because of its bothersome symptoms. This highly prevalent disease also impairs quality of life, sleep, and work. Oral antihistamines are one of the most frequently prescribed medications for the management of SAR but they have their own side effects. Hence the effects of traditional Nigella ...

Results At eight years of age, 441 children (11.3%) had used medicines for allergic rhinitis the past twelve months. The mean onset age was 5.1 year and 61.9% were boys. In a multivariate analysis of factors associated with allergic rhinitis with p<0.1, we found that living on a farm at 41⁄2 years was inversely associated with allergic rhinitis treated with medicines at 8 years (adjusted odds r...

the purpose of the present study is to investigate the prevalence of th17 and regulatory t (treg) cells in children with allergic rhinitis (ar) accompanying with bronchial asthma (ba).24 children with ar, 22 children with ba, 18 children with ar accompanying with ba,and 20 healthy controls were recruited. the prevalence of peripheral blood th17 and treg cells were determined by flow cytometry. ...

The term rhinitis implies inflammation of the lining of the nose. Characteristic symptoms are a blocked nose, anterior and posterior rhinorrhea, sneezing and itching. Not all cases of chronic rhinitis have an allergic basis. Chronic non-allergic rhinitis is defined as a condition where ongoing rhinitic symptoms are present for many months (as for persistent allergic rhinitis) but there is no Ig...

The aim of this study was to assess whether the association with social class differed between allergic rhinitis and asthma and whether these associations have changed over time. The Swedish Military Service Conscription Register was linked to two other national registers for 1,247,038 male conscripts in successive cohorts born between 1952 and 1977. The percentage of asthma cases associated wi...

OBJECTIVES To report the incidence of allergic rhinitis in singers with nonspecific laryngeal examination findings and to correlate the incidence of allergic rhinitis with their vocal symptoms when present. DESIGN A retrospective review of all the medical records of singers with nonspecific laryngeal findings who presented to a specialty voice center for either vocal training or therapy betwe...

BACKGROUND Recently it has been suggested that, the worldwide increase in allergic diseases such as asthma, allergic rhinitis and food allergy is associated with low vitamin D intake. OBJECTIVE This study measured the vitamin D levels in patients with allergic rhinitis and compared the results with the general population. METHODS Vitamin D levels were assessed in 50 patients with allergic r...

OBJECTIVE To assess the prevalence of allergic rhinitis and the factors associated with the use of emergency care services by children and adolescents with acute asthma submitted to inhaled corticosteroid therapy. METHODS A cross-sectional study was conducted with 126 patients treated with beclomethasone dipropionate for 3 years. The factors associated with emergency care services in the thir...