What is hyperosmia and what causes it?

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.

In this article, we examine the other symptoms that can occur alongside hyperosmia, as well as the range of conditions that can cause it. We also take a look at the treatment options for a heightened sense of smell.


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.

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