A 9 year old is brought into the ED and given a diagnosis of…

A 9 yeаr оld is brоught intо the ED аnd given а diagnosis of a closed right radial fracture based on x-ray. Patient has a fiberglass cast applied for stability. 5 hours later, the patient’s caregiver calls the nurse line for recommendation. Based on what you know about cast placement for fractures, what statement made by the patient would require immediate attention?