Neurological conditions
Loss of smell is most common in these conditions. With the exception of MS, people with these conditions may experience hyperosmia instead. In rare cases, neoplastic growths like polyps or tumors can occur intranasally or intracrannially. These may affect the olfactory nerve.
Can cancer cause heightened sense of smell?
Certain types of cancer and its treatment can change your senses of taste and smell. Common causes include: Certain kinds of tumors in the head and neck area.
What medical conditions cause Hyperosmia?
The following neurological conditions can cause hyperosmia:
- Parkinson's disease.
- epilepsy.
- Alzheimer's.
- multiple sclerosis.
- polyps or tumors in the nose or skull.
