A new wave of concern has spread across the United States over multi-colored "rainbow fentanyl" pills, powders and blocks -- that look similar to candy or sidewalk chalk -- being sold and used in ...
Pharmaceutical companies, generic manufacturers, and pharmacists should be more careful about changing how pills look.
Color additives used in drug products must conform to FDA regulations and be properly listed and approved for the specific use. While a qualitative or quantitative change in inactive ingredients is ...