The antibiotics may help improve the issue. If redness and swelling continue, the surgeon may need to take out the suture if that is the issue. Make sure you tell him/her your concerns. Together you will guide your daughter through this.
The suture may need to come out, if the infection is not resolved. See your surgeon so that he can guide you to recovery.
If the redness does not resolve with the antibiotics, whatever is causing it is likely going to have to come out. Your surgeon will help guide you through this so follow advice.
Permanent sutures can get infected. if the diagnosis is confirmed as infection, then opening the incision and taking the stich out and continue antibiotics.
Samir Shureih MD. FACS