Suggest Treatment For Acute Sinus Infection

I have had this condition for 14 months now and it is getting much worse. I just recently saw a ENT and he said it was acute sinus infection. I have had these allergic Reactions , had an ambulance ride because I couldn t breathe, allergy tests, told I had major allergies then told I have no allergies at all, I have a sinus infection. I am currently on antibiotics 2 times a day and I m booked for a ct scan in 2 weeks. My question is, will I ever be able to breath normally again, will my nose ever unplugg and will my throat quit closing off making it very hard to breathe? Imagine your nose completely plugged then your throat goes into spasm and it usually last 2-3 hours making it almost impossible to breathe