This document discusses common minor respiratory problems like the common cold. The common cold is caused by viruses like coronaviruses and is influenced by weather changes and seasons. It can lead to complications like pharyngitis, laryngitis, sinusitis and otitis media. Diagnosis involves collecting a history and doing a physical exam. Treatment includes antibiotics, anti-pyretics like ibuprofen, analgesics, NSAIDs like acetaminophen and aspirin, encouraging a liquid diet and steam inhalation.