Ibuprofen is commonly known by its brand names Advil or Motrin. DayQuil is a combination medication containing acetaminophen, dextromethorphan, and phenylephrine. Both drugs are effective and used to ...

Over-the-counter (OTC) cough and cold medicines are safe and effective when they’re used as directed. But taking too much of them -- on purpose or by accident -- can make you feel high.

Viral infections, including rhinoviruses, influenza, and parainfluenza, are the most common causes of sinusitis. However, bacteria, fungi, respiratory illnesses, structural issues in the nose ...

3,8 As dextromethorphan is a substrate for CYP2D6 and quinidine is an inhibitor of CYP2D6 and p-glycoprotein, there is the potential for drug interactions. 44 Dose reductions of desipramine ...