Covonia catarrh relief formula non drowsy is a herbal remedy that provides relief for symptoms of a bronchial chesty cough natural active ingredients it contains the active ingredients boneset extract blue flag extract burdock root extract and hyssop extract these herbs are used as traditional remedies for inflammation and congestion in the nose and throat non drowsy this product is non drowsy and can be used for treatment for adults and children over 12 years for treatment for adults