Walgreens scenarios via the Coupon Geek, if you happen to need a ton of pain relievers:

Children’s Tylenol: $4.99. Buy 3, Get $5 RRs. Here’s the breakdown:
Buy 3 Children’s Tylenol for $14.97
Use 3 $1.50 off coupons in the October Easy Saver = $4.50
Use 1 $3/3 Manufacturer’s Tear-Off hanging in the baby dept. = $3.00
You’ll Spend $7.47 oop and get $5 RRs = $2.47 for THREE or $.82 Each!

Children’s Motrin: $4.99. Buy 3, Get $5 RRs. Here’s the breakdown:
Buy 3 Children’s Motrin for $14.97
Use 3 $1/1 Wags coupons from the children’s activity book by the pharmacy.= $3.00
Use 1 $3/3 Manufacturer’s Tear-Offs hanging in the baby dept. = $3.00
You’ll Spend $8.97 oop and get $5 RRs = $3.97 for THREE or $1.32 Each!

There’s also a $1 off any Tylenol product printable here and a $1 off any Motrin product printable here.