Medically reviewed by Femi Aremu, PharmD Key Takeaways Supplements can interact with common cold medications. They can worsen side effects like drowsiness, high blood pressure, or bleeding, or reduce ...

A runny nose, scratchy throat, and deep cough can make even simple daily tasks feel miserable. While there’s no instant cure ...

Some medications for cold and flu can react with caffeine, causing side effects for some people, like jitters and high blood pressure. Caffeine usually leaves your system after a few hours, so space ...