MRCP2-4346

A 26-year-old male employed in a plastic factory complained of experiencing difficulty in breathing. He had just come back from a two-week vacation in Spain where he was in good health. At 2:00 AM, he arrived at the Emergency department after using his salbutamol inhaler eight times. However, he recuperated fully after receiving treatment with a salbutamol nebulizer and steroids. What condition is he most likely suffering from?