1-10 drops under the tongue, 3 times a day or as directed by a health professional. Consult a physician for use in children under 12 years of age. Warning: Severe or persistent sore throat or sore throat accompanied by high fever, headache, nausea, and vomiting may be serious. Consult a physician promptly. Do not use more than two days or administer to children under 3 years of age unless directed by a physician.