I have the same thing; Inflamed burning sinuses with no mucus.
I am agreeing with the thought that it's fungal.
Ayurveda has worked the best for me for other things and I recently read that fungus and candida is an excess of pitta (heat) dosha. I got thrush after an allergic reaction to ginger and did all pitta reducing things. It healed to almost gone in 5 to 7 days. The thrush is all healed now with no medicine.
For the past few days I have had burning sinuses with no mucus. Makes kind of a headache. I tried organic ghee butter (clarified butter) inside my nostrils to cool. I got immediate relief form the headache. I then sniffed organic peppermint oil. Even more cooling and relieving.
I ate some sour cream with my meal for lunch and got nervous shakes and felt a headache coming back. Dairy...
I have organic powdered neem. I ate a pinch of it and all my symptoms healed, including my fibromyalgia. Neem is a powerful pitta reducer and an antifungal.
Any thoughts from people about Ayurveda and what just happened to my body? I am a beginner with Ayurveda and am thankful for its benefits.
It's 30 minutes after then neem and the other treatments, and i have no sinus pain, no fibromyalgia pain, I can rest and relax, no gitters.