Go through these in order and stop at the first one that applies. If you are reading this for someone else, answer for them.
Seek emergency help for difficulty breathing, chest pain, fainting, uncontrolled bleeding, sudden severe weakness, or inability to move an arm or leg.
Contact the surgical team promptly for a wound that becomes more red, swollen, warm, open, or begins draining.
Also call for fever at the threshold given by the hospital, worsening pain, repeated vomiting, inability to drink, new numbness, new weakness, or loss of bladder or bowel control.
Follow the hospital’s discharge instructions if they set out a different urgent-care plan.
And for anyone, someone who:
Questions about dressings, constipation, medication side effects, school, or activity restrictions are usually suitable for routine contact during office hours.
Every sign above is quoted from the sofidex article on Scoliosis surgery in children. If you are not sure, err upward — it is always reasonable to be checked.