foods and drinks that help decrease phlegm in copd
Foods That Help Relieve Phlegm. 1  1. Drink lemon tea with honey. 2  2. Eat spicy foods. 3  3. Drink warm liquids.  4. Gargle salt 1  water. 5. Eat toast.  6. Drink plenty of 1  water. 7. Drink a teaspoon of cider vinegar.