Odontogenic maxillary sinusitis, which cannot be cured by medication can relieve the symptoms. Odontogenic maxillary sinusitis requires treatment of the diseased teeth and removal of the cause in order to cure the inflammation of the maxillary sinuses. Most cases of odontogenic maxillary sinusitis are due to inflammation of the tooth roots leading to chronic inflammation of the maxillary sinuses. Early detection and early treatment, timely medical treatment of the affected teeth. For example, root canal treatment coupled with anti-inflammatory drugs for treatment. 1. Antibiotics: you can take amoxicillin and metronidazole as prescribed by the doctor. The medication should be prescribed by the doctor. 2. Glucocorticosteroid drugs: you can choose mometasone furoate nasal spray, tretinoin nasal spray, etc., can play a role in anti-inflammatory and anti-allergy, relieve nasal mucosal edema, relieve symptoms. 3. Root canal treatment: odontogenic maxillary sinusitis requires thorough treatment of the affected tooth to eliminate the inflammation of the tooth so that the inflammation will not recur. Odontogenic maxillary sinusitis, you should actively seek medical advice, follow the doctor’s instructions for treatment, remember not to blindly use their own medicine, to avoid the spread of inflammation caused by serious consequences.