Onions are great for the relief of cold, cough, catarrh and asthma.
www.ghanaweb.com Both the berries and the flowers are effective in preventing and treating ear infections, coughs, colds, allergies, catarrh, and hayfever.
www.irishexaminer.com After three or four days, he who is wrong shows it by suffering some illness - ulcers, or catarrh, or malignant fever - while the other remains in perfect health.
en.wikipedia.org If this is the case you might also have nasal discharge and a sensation of catarrh dripping into the back of the throat.
www.dailymail.co.uk It has proved useful in irritative cough, chronic bronchial coughs, whooping-cough, laryngitis, acute and chronic, acute catarrh, asthma, tubercular laryngitis, and in the cough of phthisis pulmonalis.
en.wikipedia.org