Today, the U.S. Food and Drug Administration (FDA) is warning consumers not to use ultrasound medical devices manufactured and distributed by RoyalVibe Health, CellQuicken, and Well-Being Reality. The devices have not been reviewed by the FDA. The safety and effectiveness of these devices have not been established to diagnose, treat, or cure medical conditions. Using these devices may result in adverse effects, including pain, bruising, burns, scarring, nerve damage, muscle weakness, or numbness.