Welcome to heathcare Magic!
At times the asthma
gets exacerbated due to seasonal change or exposure to the factors that cause the bronchospasm
Different asthmatic persons have different triggers for precipiting an attack.
Please keep the child away from dust smoke and open environment where pollens are in plenty.
An intercurrent viral infection can also lead to increase in the problem.
The idea of takin her to hospital is a timely and wise decision, she will get relief with nebulisations of bronchodilators and if required antibiotics can be instituted.
Wish you a great health!