A Randomized Controlled Trial of a Phytotherapic Compound Containing Boswellia Serrata and Bromeline for Seasonal Allergic Rhinitis Complicated By Upper Airways Recurrent Respiratory Infections

Maurizio Marogna, MD, Carol Braidi, MD, Chiara Colombo, MD, Fausto Colombo, and Loredana Palumbo, MD. Azienda Ospedaliera Fondazione Macchi, Cuasso al Monte, Varese, 21050. Italy Rationale Phytotherapic compound containing boswellia serrata and bromeline (Bifloxen orosoluble) has natural antiflogistic properties with pronounced action on 5-lypoxigenase and thromboxane synthetase. Its clinical effect in seasonal allergic rhinitis (SAR) complicated by recurrent upper airways respiratory infections (RRI) was assessed.