Budecort 0.5 Mg Respules 2 ML (Generic Budesonide) Online USA Budecort 0.5mg respules 2ml (Generic Budesonide) is recommended to prevent the symptoms of asthma (wheezing and shortness of breath). It is a steroid and also called a (preventer). You need to have a fast-acting (reliever) as well because this Budecort 0.5mg repules will not stop an asthma attack that has already started.