Dextromethorphan. A big word for the cough suppressant in many over-the-counter cough medicines.
The FDA recently put out an alert about this drug. When used at higher than the recommended dosage, it can cause dizzyness, nausea, seizures, coma and even death.
As cold and flu season approaches, be careful and follow the package’s directions. More is not necessarily better, and can even be fatal.