Treat the underlying cause, such as a cold, sinus infection, allergies, COVID-19, nasal polyps, or medication side effects
Use saline nasal rinses or sprays to clear mucus and reduce congestion
Stay hydrated
Use a humidifier if the air is dry
Avoid smoking, vaping, and secondhand smoke
Limit exposure to strong chemicals, fumes, and irritants
Practice smell training with familiar scents daily
Keep good oral hygiene
Eat balanced, flavorful foods and try different temperatures and textures
Review medications with a healthcare professional if symptoms started after a new drug
Manage allergies with appropriate treatment
Seek medical care if symptoms last more than a few weeks, worsen, or occur with severe congestion, pain, fever, or neurological symptoms