[header] How to get rid of mucus cough [title] Stay hydrated. [step] Staying hydrated is one of the best ways to thin out mucus and get rid of a mucus cough. You can keep yourself well-hydrated by drinking eight 8-ounce glasses of water (warm or cold) every day and you can drink other fluids as well. 
[substeps] You can add a squeeze of lemon juice to your water for flavor if you are not fond of the taste of plain water. Try adding a teaspoon of honey to warm water.