Hekla Lava 30C is a homeopathic medicine by Boiron which mainly indicates toothache. 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., Adults and children 2 years of age and older: Dissolve 5 pellets under the tongue 3 times a day until relieved or as directed by a doctor.,Stop use and ask a doctor if symptoms persist for more than 3 days or worsen. If pregnant or breast-feeding, ask a health professional before use. Keep out of reach of children.