Mercurius Vivus 30C is a homeopathic medicine by Boiron which mainly indicates for sore throat with offensive breath and excessive salivation. This medicine uses highly diluted natural substances to relieve symptoms. This medicine comes in quick-dissolving pellet form. The multi dose is the common dosage for homeopathic remedies. The tube contains 80 pellets offering 3 to 5 pellets per dose, to be taken under the tongue at specified times.