Sinusitis often headache and dizziness, often due to sinus obstruction and nasal congestion caused by lack of oxygen, need to actively treat sinusitis, can use antibiotics such as amoxicillin anti-infective treatment, the use of saline nasal rinse, fumar nasal drops to smooth the nasal passages with the treatment. 1. Antibiotics: sinusitis is often caused by bacterial infection, if the sinuses such as frontal sinus, sieve sinus and other internal infection caused by pus, fluid, can lead to headache, dizziness symptoms, can use antibiotics such as amoxicillin, azithromycin and other anti-infective treatment. Allergic to the above drugs are prohibited. 2. Rinse the nasal cavity: Sinusitis purulent secretion is too much, you can use saline nasal spray to rinse the nasal cavity, reduce purulent secretion. 3. Smooth the nasal cavity: sinusitis may cause turbinate enlargement, blocking the nasal cavity, secretion drainage is not smooth, you can use fumar drops nasal drip to smooth the nasal cavity. The above drugs need to be used in accordance with medical advice, sinusitis headache, dizziness, should be standardized treatment under the guidance of a doctor.