I hear it all the time: "I got sinus, doc.
" They're wrong. That's a myth perpetrated back in the decades of "postnasal drip" i.e. the 50s & 60s by the advertisers of Dristan. 99% of all "sinus" headaches - aren't. They're mostly migraines. If you have radiological proof of sinusitis
and your pain goes away if it's treated, then you're entitled to the diagnosis of sinus headaches. Otherwise, not.