Hyperosmia is a heightened sense of smell. This increased ability to perceive odors usually occurs due to another condition, but may also happen on its own in some cases.
When someone has hyperosmia, they can experience smells more strongly than other people. This strong sense of smell may lead a person with hyperosmia to experience discomfort and illness from certain odors.
Hyperosmia tends to be a complication of another underlying condition. However, changes to the sense of smell may trigger an increase in headaches and nausea and vomiting.
Migraines are a type of headache that can cause recurrent attacks of moderate to severe pain. The reason why some people have migraines is currently unknown, but environmental changes, such as the weather, can trigger a migraine.
Environmental triggers can also include certain smells. As a result, people with hyperosmia may be more likely to experience migraines when they smell particular odors.
Credit : Medical News Today
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