Counter-irritants: dry cupping most efficacious in acute cases; mustard leaves; mustard poultices.
Croton Oil: as liniment; vesication must not be produced.
Cubebs: when secretion is copious.
Demulcents: licorice, linseed.
Eucalyptol.
Eucalyptus: as liniment combined with belladonna in the early stage; internally in the late stage.
Garlic, Oil of: in the acute bronchitis of children.
Ipecacuanha: when expectoration is scanty, dryness in chest, ipecacuanha in large doses; also when expectoration has become more abundant but difficult to expel.
Iron.
Jalap: with bitartrate of potassium instead of bleeding in engorgement of the right side of the heart.