 [ 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 ] hi if you have irregular periods how would you really know your late all you can do for now is give it 7 more days then go see your doctor for a test there your doctor will know best but if you have been stressing over this then that could stop your period and also how far through you cycle was you if this was in the later part then you could be ok hope this helps you good luck