Chin Implant - Possible infection 4 years post op? (Photo)

Hi there! I (26yr F) had a chin implant procedure 4 years ago. I had a great experience and have been very happy with my results. However, over the past 6-8 months I've been experiencing what i thought was acne breakouts on my chin (painful red bumps - they look like pimples but are NOT and inflammation). The bumps are frequently right around the corners of my chin implant. I saw a dermatologist and they said it is a bacterial infection and prescribed antibiotics and a topical to treat. The