Catarrhal inflammation is a medical term used to describe an inflammation of the mucous membranes caused by excessive mucus production. It is a common symptom of various respiratory tract infections. However, there are several synonyms that can be used for catarrhal inflammation, including mucositis, mucus membrane inflammation, and rhinitis. Mucositis is characterized by inflammation and ulceration of the mucous membranes, while mucus membrane inflammation involves inflammation of any mucous membrane. Rhinitis, on the other hand, refers specifically to inflammation of the nasal cavity. Regardless of the synonym used, catarrhal inflammation is a condition that requires prompt medical attention to prevent complications and ensure a speedy recovery.