Baryta Carbonica 30X is a homeopathic medicine by Boiron which mainly indicates sore throat triggered by and worsened by wet weather. 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.