Duro-Tuss Lingering Cough Liquid Immune Support Blackberry & Vanilla works in 3 ways. Helps relieve a lingering, mild cough associated with the common cold. Helps support a healthy immune system. Marshmallow has been traditionally used in Western herbal medicine to help soothe an irritated throat and associated dry cough.
Use this medicine for:
Helps relieve a mild bronchial cough in association with the common cold and support a healthy immune system. Althaea Officinalis (Marshmallow) has been traditionally used in Western herbal medicine to help relieve throat irritation and an associated dry unproductive cough.
Product Claims: No added sugar.