What does cough variant asthma symptom have

summary

Cough is one of the most common diseases in people's life, and the symptoms of cough variant asthma should be relatively unfamiliar to people. Here we list the symptoms of cough variant asthma.

What does cough variant asthma symptom have

Symptom 1: in adults with cough asthma, the onset age is higher than that of typical asthma, about 13% of patients are older than 50 years old, and middle-aged women are more common. In childhood, cough may be the only symptom of asthma, or even a precursor to the development of bronchial asthma.

Symptom 2: more than a clear family history of allergy or allergic diseases in other parts of the history, such as allergic rhinitis. The main clinical manifestation is long-term stubborn dry cough, which is often induced by exercise, inhalation of cold air and upper respiratory tract infection, and aggravates at night or early in the morning. There is no wheezing during physical examination. The lung function damage is between normal people and typical asthma. Skin allergen test can be positive.

Symptom 3: bronchial provocation test positive, when there is a positive reaction, can appear similar to the onset of irritating cough, suggesting the existence of airway hyperresponsiveness. General antitussive and expectorant drugs and antibiotics are ineffective, but antihistamines, β 2-agonists, theophyllines or adrenocortical hormones can alleviate the symptoms.

matters needing attention

Cough variant asthma symptoms, there are different situations, if you are worried about the emergence of this disease, you can refer to, and have the above symptoms of friends, is the need for timely further physical examination.