6 months post breast augmentation - could the bump on my scar be a keloid and what can I do to correct it (photos)

You should schedule an appointment with your plastic surgeon to have them evaluate the bump on your vertical scar. Your surgeon may recommend non-surgical treatment options such as corticosteroid injections, silicone gel or sheets, pressure dressings, laser or cryotherapy (freezing the scar tissue).In some cases, surgical removal of the keloid may be necessary. However, it's important to note that keloids have a tendency to recur even after surgical removal. Therefore, additional treatments like corticosteroid injections or radiation therapy may be used in combination with surgery to reduce the risk of recurrence.

I hope this helps,
Best of luck !

From the photos submitted it does not appear that you are developing keloids. The bump that concerns you may be a suture coming to the surface, scar tissue, or something else. Schedule an evaluation with your plastic surgeon who will advise you how to proceed.

Your scar does not appear to be a keloid, but may be somewhat hyper trophic. I would suggest going back to your surgeon and discussing your options like micro-needling or even a revision if needed.