How long do you lose your smell with COVID?

COVID-19 can temporarily disrupt the smell system, so scents may be weaker, absent or distorted. This can also make food seem bland because smell contributes to flavour. A gradual return can include unfamiliar or unpleasant odours. Persistent change may occur with Long COVID, while allergies, nasal inflammation, injury and some medicines are other possible explanations.

Test household safety measures rather than relying on your nose: check smoke alarms, gas appliances and food dates. Keep nasal passages comfortable with fluids and follow medical advice for congestion. Some clinicians may discuss smell training, which uses repeated, careful exposure to familiar scents. Do not place irritants inside the nose. Loss of Taste may occur at the same time.

Arrange a review if smell does not begin improving, remains distorted, affects eating, or follows a head injury. Seek urgent care for sudden neurological changes, severe headache, facial weakness, confusion or breathing difficulty. A clinician can examine the nose and review medicines or other symptoms.

Ask whether nasal inflammation, medicines or another condition could be contributing, whether smell training is suitable, and how to monitor nutrition and household safety.