Name the condition characterized by attacks of difficult breathing and wheezing caused by spasms of the bronchial tubes.

Asthma is a condition which is characterized by attacks of difficult breathing and wheezing.

It is a condition related to lung disease in which there is inflammation in bronchial tubes they become narrow, bronchial tubes are the passageway through which air enters and leave the lungs. So when it becomes narrow, it causes difficulty in breathing and sometimes it causes severe attacks.