Is it possible that by not adhering to your advice to not use the sinse rinse when one side is completely blocked that I caused my own viral meningist

The answer to your question is no.� There are exceptions and that is if you had a recent skull base surgery or recent non healed skull fracture due to an accident.� In this case, one has broken the natural barrier and there may be a potential risk.� In this case, there would be a risk to you with or without any nasal irrigation.� Fortunately this risk is low.� Viral meningitis is not an uncommon situation and there are many causes. Your doctor can explain more details to you.