Treat the cause
Recover from a cold, flu, COVID-19, or sinus infection
Manage allergies and nasal congestion
Stop smoking and avoid secondhand smoke
Review medications with a doctor
Improve oral hygiene
Stay hydrated
Eat a balanced diet
Address zinc or vitamin deficiencies if present
Use saline nasal rinses if recommended
Avoid very hot, very cold, or strongly flavored foods if taste is distorted
See a doctor if taste loss lasts more than a few weeks
Seek urgent care if taste loss comes with weakness, facial droop, trouble speaking, or severe headache