More than 90 percent of medications contain inactive ingredients that can cause adverse reactions.
Over-the-counter cold medications: Do any of them really work?
Acetaminophen during surgery might reduce common complication, study says
Many cold, cough and headache remedies contain carbs, and as much alcohol as glass of beer or wine, pharmacist says
Consumer Reports says many may be doing more harm than good
Could be a dangerous combination, depending on the drug