Is expired Cheratussin cough medicine harmful?

Expired Cheratussin cough medicine may not be harmful, but its effectiveness can be reduced. Medications can degrade over time, leading to diminished potency, which means it may not provide the relief you need. It's generally recommended to avoid using expired medications and to consult a healthcare professional if you're unsure. Always check the expiration date before use and dispose of any expired products properly.