Smell loss often relates to infection, allergy or polyps, but persistent unexplained change needs investigation. Immediate CT or MRI is not necessary for everyone.
Assessment covers onset, injury, blockage, medication and distorted smells. Examination and smell testing guide further investigation. Seek emergency care for clear one-sided discharge after head injury, new neurological symptoms or severe unusual headache. Treatment depends on the cause; the timing and completeness of recovery cannot be promised.
Assessment considers nasal blockage, infection history, medicines and smell testing when needed. Imaging is not required for everyone. Treatment depends on the cause; the degree and timing of improvement vary.
Check smoke and gas alarms and food expiry dates. Smell changes with head injury, new neurological symptoms or one-sided bloody discharge need urgent assessment.
This information does not replace an individual consultation. Diagnosis and treatment depend on a medical assessment.
Consultation and treatment