Mixing medications can feel like a risky game of Tetris—especially for those on Carbidopa-Levodopa-Entacapone for Parkinson's disease. This in-depth guide looks closely at how this important medication interacts with other prescription drugs, over-the-counter remedies, and common supplements. You'll get clear facts, real-life scenarios, and practical advice on avoiding dangerous combos. Whether you're juggling pills for yourself or a loved one, here's what you really need to know.