This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Child requiring repeated short-acting bronchodilators and what could be next line of management – 
Select and explain. 
A. Methylxanthines, B. Short acting budesonide, C. Oral prednisolone, D. Montelukast
B: Short acting budesonide
Answer: B: Short acting budesonide 
Explanation: Tolerance is a potential problem with β2 agonists.
So, β2 agonists should not be used on any regular schedule due to tolerance, bronchial hyperactivity not reduced on continuous use.
It is advised that patients requiring regular medication should be treated with inhaled steroids and use of (β2 agonist inhaler should be restricted to symptomatic relief of an acute attack.