“…Upper respiratory diseases such as allergic rhinitis (hay fever, nasal allergies) and sinusitis are sometimes associated with lower respiratory symptoms and asthma, and can precede the diagnosis of asthma [Shaaban et al 2008; EAACI Task Force on Occupational Rhinitis et al 2008;Rondón et al 2012Rondón et al , 2017Sahay et al 2016]. Upper respiratory involvement (e.g., rhinitis, sinusitis) can result in suboptimal control of asthma.…”