 [ Symptoms ] is it possible to be allergic to hormones [ Disease ] fever in a child not sure what age does not cause stunted growth so i am unclear as to the medical justification of the x ray unless the doctor wanted to get a chest x ray to rule out a subtle pneumonia tylenol can be given every 4 hours but ibuprofen is every six hours fevers are not harmful they are the body is normal response to fighting off infections usually viruses so if a child is over 3 months old medical provider rarely get excited about routine fevers