Conium: the vapor to relieve cough.
Copaiba: like Balsam Peru.
Creosote: inhaled to allay cough.
Crude Petroleum: in capsules or pills in chronic bronchitis.
Cubebs: like copaiba.
Digitalis: where heart is feeble, especially in the aged.
Emetics.
Ethyl Iodide.
Eucalyptus: stimulant expectorant.
Euphorbia Pilulifera.