By Sydney Murphy HealthDay ReporterHealthDay Reporter THURSDAY, Sept. 1, 2022 (HealthDay News) — The U.S. Drug Enforcement Administration (DEA) is warning the general public that colorfully dyed fentanyl — dubbed “rainbow fentanyl” — is available throughout the United States. “Rainbow fentanyl — fentanyl pills and powder that come in a variety of bright colors, shapes, […]