<a href="https://support.doctorpodcasting.com/media/k2/items/cache/0dda1b2763ba72333d825a481aa1e222_Generic.jpg"><img align="right" border="0" src="https://support.doctorpodcasting.com/media/k2/items/cache/0dda1b2763ba72333d825a481aa1e222_S.jpg" alt="how-does-someone-know-if-they-have-allergies-or-a-sinus-issue" /></a>Allergies can increase sinus symptoms and make it hard to tell what's causing the problem. Here we'll dive into some common symptoms of sinus irregularity and what to do about it.