Doctors use several methods to diagnose allergies and asthma.

Spirometry is the most common test used to diagnose asthma.

An inhalation challenge test is rarely needed to diagnose asthma.

The growing incidence of obesity in children has made diagnosing asthma even trickier.

There are some key asthma tests your doctor will use in diagnosing asthma.

Spirometry is the most common test to diagnose asthma in older children.

To diagnose asthma, your doctor will perform tests such as a lung function test.

Since peak flow rates can change easily, they are not used alone to diagnose asthma.

Discover more about diagnosing asthma with the help of the information inside this article.

Although doctors do a better job of diagnosing asthma now than in years past, that does not entirely explain the upward trend.