Introduction. Among nonantibiotic cough remedies, herbal preparations containing extracts from leaves of ivy (Hedera helix) enjoy great popularity. Objective. A systematic review to assess the effectiveness and tolerability of ivy for acute upper respiratory tract infections (URTIs). Methods. We searched for randomized controlled trials (RCTs), nonrandomized controlled clinical trials and obser...

Prolonged, exhaustive exercise frequently leads to an increased incidence of upper respiratory tract illness (URTI) which is linked to transient immunodepression. We investigated potential biochemical markers of stress and fatigue, and URTI symptoms as a surrogate of immunodepression, in US Marines undergoing intensive winter training at altitude. Selected plasma amino acids and leptin (p[Lep])...

OBJECTIVE This phase 3, laboratory classroom study assessed the efficacy and safety of methylphenidate hydrochloride extended-release chewable tablets (MPH ERCT) compared with placebo in children with attention-deficit/hyperactivity disorder (ADHD). METHODS Following a 6-week, open-label, dose-optimization period, children 6-12 years of age (n = 90) with ADHD were randomly assigned to double-...

background upper respiratory tract infections (urti) in children are the most frequent reasons for visiting a family doctor, commonly resulting in inappropriate prescription of antibiotics. in underdeveloped countries, a viral respiratory tract infection may be followed by serious complications. more than 200 viral species are associated with respiratory tract diseases in humans and this number...

Objective: The aim of this study was to examine the relationship between allergic diseases and the time of Adenotonsillar Hypertrophy (ATH) onset. We also investigated whether there is any relationship between upper respiratory tract infection (URTI) or exposure to parental smoking and ATH. Methods: A cross sectional study was conducted in multiple tertiary care centers. We interviewed all pare...

BACKGROUND Studies have explored ozone's connection to asthma and total respiratory emergency department visits (EDVs) but have neglected other specific respiratory diagnoses despite hypotheses relating ozone to respiratory infections and allergic responses. OBJECTIVE We examined relationships between ozone and EDVs for respiratory visits, including specifically acute respiratory infections (...