Treatment of the mucous in the mouth after flu

During the flu can be, as a symptom, noticed the appearance of mucus (mucus, membrane) in the mouth. What advice can be given regarding this matter?

First: regularly, before sleeping, drink one teaspoon of sesame juice (extract).
sesame oil
Second: grind the fenugreek (goat’s rue), black seed and licorice (sweet root, licorice) and mix it in equal proportions, and then cook it in honey. Take one tablespoon three times a day. It should be paid attention to people who have problems with high blood pressure to remove the licorice from the recipe.