Tartar Emetic, in these cases, is often highly serviceable. It should be continued so as to keep up nausea, without producing vomiting. The following formula is recommended by Dr. Cheyne: -252 Laryngitis 28 Ant. P. Tart. gr. ij., Potas. Nit. ij., Aq. fvj. M. Dose fj. several times daily.