What Type of Cortisone is Used for Acne and What Dosage is Correct?

Most dermatologists inject with Kennalog (Triamcinolone Acetonide). We  usually learn to use this as a resident and then become so familiar with it that we continue using this throughout our careers. I remember once switching to Aristospan for an injection into a patient's elbow. He came back with a small ulceration (which resolved). Ever since I have stuck with Kennalog. Dosages would vary. For a cyst on the face, I would use 2.5 mg/cc. I am sure the majority of my colleagues... more

Cortisone injections are a popular and effective way to get cystic acne lesions to resolve quickly and minimize the risk of scarring. Kenalog is a popular choice. The concentration used is generally anywhere from 2-4 mg/ml for injection of lesions on the face. The main risk is atrophy which may appear as a lighter or depressed spot.