Treat the cause
Recover from a cold, flu, or COVID-19
Stop smoking or vaping
Avoid exposure to strong odors, chemicals, and pollutants
Use saline nasal rinses
Use nasal steroid sprays if prescribed
Manage allergies and sinus inflammation
Stay hydrated
Maintain good oral hygiene
Check and review medications with a doctor
Eat a varied, flavorful diet
Try smell training
Seek medical evaluation if symptoms persist
Get urgent care for sudden loss with neurologic symptoms