Antitussives; Expectorants; Anti-tussive expectorants; Cough expectorants; Inhalants for the treatment of respiratory conditions; Pharmaceutical preparations for the treatment of rare rare respiratory diseases; Inhaled pharmaceutical preparations for the treatment of respiratory diseases and disorders; Bronchodilators; Medicinal herbal extracts, other than essential oils, for medical purposes; Herbal preparations for the treatment of cough; Botanical-based expectorants and cough remedies