Nasal irrigation is important. What wasn't mentioned is to heat 8 oz of distilled water in a small sauce pan with 1 tsp of sea salt until warm. Transfer to glass.
Standing over a sink pour water into cupped hand and sniff it into nostrils letting it come out of the mouth. continue until all water is used, Finish by using tissues to blow out any water that didn't run out.
Then with a dropper bottle of colloidal Silver put a dropper full of CS in each nostril. repeat as few times.
You can use a machine if you want to spend the money, and a saline solution, but it's not necessary.
Never take antibiotics because it will cause other problems like candida.etc.
Checking your teeth is an excellent idea, especially amalgam fillings and root canals.