Background: Chronic rhinitis in children is a common problem. Investigation to diagnose allergic (AR) using skin prick test for aeroallergens requires specialist doctor, which not simply performed primary health care facilities. Therefore, diagnosing patients with AR and non-allergic (NAR) based on clinical symptoms essential treatment planning. This study compared between NAR, comorbidities, d...

Asthma and allergic diseases cases have risen in recent decades. Plant pollen is considered as the main aeroallergen causing allergic reactions. According to available data, urban residents experience more respiratory allergies than rural residents mainly due to the interaction between chemical air pollutants and pollen grains. This interaction can occur through several mechanisms; chemical pol...