For me if it lasts more than 10 days I head to the doctors, for medicine. Otherwise I take hot showers to loosen all the gunk up and blow it out. I also use the Breathe-rite nose strips with Vicks Vapo-rub in them when I sleep. My cousin's wife uses a Neti Pot and flushed her sinuses out. If they keep happening you need to find out why. Allergies can bring them on, or my case I had a deviated septum and had to have surgery to fix it.