Influenza or flu vaccination can help prevent infection by the influenza virus. Careful hand washing and disposal of tissues can help prevent the spread of sinusitis. Individuals should follow the healthcare provider's recommendation for good control of nasal allergies . Diagnosis of sinusitis begins with a medical history and physical exam. Most forms of sinusitis are contagious from person to person.
Treatment varies, depending on the cause and type of sinusitis.
Side effects depend on the medicines used. Brief use of topical decongestants has few side effects. Long-term use can cause progressive inflammation in the nose. Most cases of sinusitis go away on their own or with treatment. Some individuals may develop chronic sinusitis .