question: Hello Doctor,am based in Shillong right now,I have allergy issues and face regular sneezing, itchy eyes.But from last few days I am facing severe nose block plus chest congestion,am unable to sleep.Tried Otrivin it helps but for sometime then again nose gets blocked.Please help as the place am right now doesn t have any good ENT specialist.Also I am on low carb diet now can it be the reason