Allergies and asthma: They often occur together

Allergies and asthma: A Mayo Clinic specialist explains the connection, and what you can do to prevent attacks and manage symptoms.

By Mayo Clinic Staff
James T C Li, M.D., Ph.D. James T C Li, M.D., Ph.D.

You may wonder what allergies and asthma have in common besides making you miserable. A lot, as it turns out. Allergies and asthma often occur together.

The same substances that trigger your hay fever symptoms, such as pollen, dust mites and pet dander, may also cause asthma signs and symptoms. In some people, skin or food allergies can cause asthma symptoms. This is called allergic asthma or allergy-induced asthma.

James T C Li, M.D., Ph.D., a Mayo Clinic allergy specialist, answers questions about the link between allergies and asthma.

Feb. 13, 2016 See more In-depth