Yes. From your symptoms you seem to be having Chronic Rhinosinusitis. You are on correct medication as present and should complete the course as suggested by your doctor.
Next Steps
If the symptoms persist after 2 months, even after taking the medicines, please get a Non Contrast CT Scan of your Nose and Paranasal Sinuses. The extent of disease and further line of management will be determined from it.
Health Tips
Nasal Douche with Saline drops or spray will help a lot. Do the nasal wash 3-4 times daily. You can try steam inhalation as well...it gives some relief.