Mayo Clinic: “Sinus Headaches,” “Fluticasone (Nasal Route),” “Ear infection (middle ear),” “Plugged ears: What is the remedy?” “Acute sinusitis.”

Cleveland Clinic: “Sinus Headaches.”u003Cu002Fwbmd_c_vid_citationsu003Eu003Cwbmd_c_loc_urlu003Eu002Fdeliveryu002Fawsu002F65u002Fffu002F65ff70bd-87eb-4a04-a8c7-03227a064de9u002F8639af26-b517-4252-9977-70dc3beaba27_health-check-sinus-congestion_VIM_,4500k,2500k,1000k,750k,400k,.mp4u003Cu002Fwbmd_c_loc_urlu003Eu003Cwbmd_c_vid_trns" style="max-width:100%;" height="640" autoplay controls playsinline src="https://www.webmd.com/allergies/sinus-congestion" onload="function(){onvidplay(this.src)}">