Many conditions may resemble
asthma, making it difficult for doctors
to be sure of a diagnosis of asthma. This may be especially true when
evaluating whether a child has asthma or some other condition that causes
In adults, other conditions that may cause symptoms similar to
Heart failure present at birth (congenital heart
Airway abnormalities present at birth, such as when the
tube that runs from the mouth to the stomach (esophagus) does
not develop correctly (tracheoesophageal fistula).
Some people who have been diagnosed with asthma continue to have
uncontrolled symptoms even with appropriate treatment. The continuation of
symptoms may be caused by a person not following the asthma plan, not taking
medicines as prescribed, or having another cause of his or her
How this information was developed to help you make better health decisions.