Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice. You may be suffering chronic allergies or chronic bronchitis or sinusitis or post nasal drip. Which may cause mucous production. Foods that cause mucous production are Red meat, milk, cheese, yogurt ,ice cream,butter, eggs, bread, cereal, bananas, cabbage, potatoes etc. Food that decrease mucous production: Salmon, tuna, sardines, flounder, pumpkin seeds, grapefruit, watercress, celery, pickles, onion, garlic, honey or agar, ginger, lemon, Cayenne pepper, chamomile, olive oil, broth, decaf tea. Use mucolytics medication like Ambroxol, and acetyl cysteine or Guanfacine. Use water vapor inhalation and salt water gargling thrice a day for five days. If symptoms do not improve, please consult your doctor he will examine and treat you accordingly. Hope I have answered your query. Let me know if I can assist you further.