Ayurveda texts and modern research back the following facts:
Honey (Madhu) is traditionally used to treat cough, due to its antitussive and anti-inflammatory properties, which soothe the respiratory tract.
Lavanga (Clove) is useful in cough due to its antitussive activity and other upper respiratory disorders due to its antimicrobial activity. It has been used in Ayurveda as a popular remedy for sore throat.
One lozenge three-four times a day, or as directed by the physician.