After a returing home from a long day at work, you reazlize you can't seem to shake that excruciating headache of yours, so you decide to pop an aspirin, after all it relieves mild-to-moderate pain right? WRONG! Aspirin may not always be the right choice for your daily aches and pains. According to Mary Lynn McPherson, PharmD, a professor at the University of Maryland School of Pharmacy, here is a list of pills matched to its correct pain.