Do not use Omnisoothe 10mg Lozenges if you are allergic to any of its components. Inform your doctor if you have a hereditary metabolic disorder affecting red blood cells (eg, glucose-6-phosphate-dehydrogenase deficiency, hemoglobin-M disease, NADH-methemoglobin reductase deficiency, pyruvate-kinase deficiency), heart disease, lung or breathing problems, diabetes, or mouth infections. Avoid contact of Omnisoothe 10mg Lozenges with eyes or nose; rinse with water immediately if contact occurs. Consult your doctor if your condition does not improve despite using Omnisoothe 10mg Lozenges for a week, or if it worsens with a rash, fever, headache, vomiting, swelling, or stomach upset. Let your doctor know if you are taking other medicines or herbal supplements.