Head over to Coupons.com and grab this new coupon for $1.00 off of any 2 bags of Luden's Cough Drops! If you have any problems finding the coupon I used the zip code: 77477.
Here's a deal at the Dollar Tree:
Luden's Cough Drops $0.50 each
Final Price: 2 For Free
Let us know if it works for you.