Complex sentence: The use of steroids is not effective in VCD unless needed to treat underlying asthma and should be discontinued to avoid the morbidity associated with their use and to prevent severe long-term consequences, including growth retardation in children.
Split into simpler sentences: The use of steroids is not effective in VCD unless needed to treat underlying asthma. The drugs should be discontinued to avoid the morbidity associated with their use and to prevent severe long-term consequences, including growth retardation in children.