Hi friend, I have the same problem bad allergies for me. Try a "Saline Rinse", it will wash out your sinuses. The coughing may be due to drainage, the rinse will help with that too. You can purchase the Saline Rinse at any drugstore or Walmart for under $5.00. Of course if your symptoms get worse, you should probably contact your doctor for an appointment. Hope you start feeling better soon!