Patients who were suspected of having posterior nasal drip, allergic rhinitis, chronic sinusitis, bronchial asthma, cough variant asthma
, atopic cough, chronic obstructive pulmonary disease, gastroesophageal reflux disease, and coughing by using angiotensin-converting enzyme (ACE) inhibitors were excluded.
Asked about her health, as she was diagnosed with a high probability of having a cough variant asthma
in September, Empress Michiko said she has been ''blessed with relatively good health'' but feels she has become ''a lot slower at doing things'' in the last few years.
Cough variant asthma
is rare and presents with cough and no wheeze.
Also new to the guidelines is information on vocal cord dysfunction and cough variant asthma
as an alternative diagnosis.
Although the main symptom of asthma is usually gasping for breath because the bronchial tubes get constricted, in 1986 a type of asthma called cough preponderant or cough variant asthma