Medical conditions that may cause sinusitis;⠀ ⠀ • Upper respiratory tract infections⠀ • Structural nasal disorders; Like septum deviation…⠀ • Pressure changes during swimming or air travel ⠀ • Anatomical pathologies that narrow or block the sinus channels, such as nasal flesh growths⠀ • Exposure to frequent infections⠀ • A weak immune system⠀ • Tooth infections ⠀ • Large adenoid⠀ • Cystic fibrosis⠀ • Smoking⠀ • Allergy⠀