When you have nasal congestion, you may consider using products containing either phenylephrine or pseudoephedrine. These are two common ingredients in nonprescription cold and allergy medicines ...

Pseudoephedrine is one of the most commonly ... and insomnia can also occur with long-term use. Most drugs with anticholinergic properties are inappropriate for use by older adults.

That's where over-the-counter (OTC) cold medications like Dayquil, Mucinex, Sudafed, and more can come in super handy. But ...