Zilretta HCP Website Oct 24, 2017 Brand: Zilretta (triamcinolone acetonide), Injectable Suspension Parent Company: Flexion Therapeutics Drug Type: Prescription Drug Category: Musculoskeletal Campaign: Launch Targeting: HCPs Patient Website: https://zilretta.com/ HCP Website: https://hcp.zilretta.com/ Homepage How It Works Efficacy Dose Preparation Access Program HCP Sign Up Homepage (Mobile) Efficacy (Mobile) Mobile Menu