Mesotherapy typically involves injection of a non-FDA approved
substanceDrug abuse (toxin) in an attempt to dissolve fat locally. I doubt if you know exactly what was injected into your body. I also wonder if the physician who treated you discussed in detail what the substance was and what the potential complications occur with its use. You clearly should have received this information before paying for and receiving this treatment.
There are many excellent and reputable plastic surgeons in San Diego. Check with the American Society of Aesthetic Plastic Surgeons (www.surgery.org) or you primary care physician for a referral.