An episode of difficulty in breathing due to bronchial constriction

A sudden worsening of asthma symptoms

अस्थमा लक्षणों का अचानक बिगड़ना

English Usage: The cold weather triggered an asthma attack.

Hindi Usage: ठंडी मौसम ने अस्थमा अटैक को ट्रिगर किया।