 [ Symptoms ] my right nostril is stopped up had 2 treatments of antibiotics what to do  went to doctor in october for sinus left nostril cleared up but right remains stopped up went back in november received another treatment of antibiotics and mucinex left nostril is so clear its dry right nostril is still stopped up and gets worse at night making breathing through my nose impossible i can not take antihistmines for a long period of time because they eventually trigger my bronchotisexcuse the spelling and make me feel bad what do i do   [ Disease ] it may be time to see an ent    ear nose and throat    specialist someone who has the skill and equipment to peer up that clogged nostril of yours to see if you have a physical obstruction like a deviated septum or polyp if not a trial of nasal corticosteroid sprays by prescription only may be something for your doctor to try not all sinus infections as a matter of fact very few are due to bacterial infections so this could be another reason why the two course of antibiotics did not seem to help the ent can also check your sinuses