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When Do Olfactory Auras Occur?

Elena Rostova • • 7 min read
When Do Olfactory Auras Occur?

The smells typically occur before or during a migraine attack. Olfactory hallucinations

Olfactory hallucinations
Phantosmia is a condition that causes you to smell odors that aren't actually present. When this happens, it's sometimes called an olfactory hallucination. The types of odors people smell vary from person to person. Some might notice the odor in just one nostril, while others have it in both.
with migraine occur in approximately 0.1 percent of adults with migraine. In one study, most people with olfactory hallucinations associated with migraine had migraine without aura and less than 15 headache days monthly.

What is olfactory aura?

Olfactory auras, consisting of a sudden unexplained sensation of smell, are rare, particularly in compari- son to other auras. They are usually described as unpleasant. Their exact prevalence, etiology, and an- atomic origin are unclear because few studies have focused on olfactory auras alone.

Can a smell be an aura?

NEW YORK (Reuters Health) - Hallucinated scents can, rarely, be a part of the “aura” that some people perceive before a migraine attack, a new study finds. About 30 percent of people with recurrent migraines have sensory disturbances shortly before their headache hits.

Elena Rostova
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Elena Rostova

Elena Rostova holds a Master's degree in Public Health Journalism. She covers groundbreaking medical research, holistic wellness trends, mental health awareness, and nutritional science.