$2 Excedrin Coupon + Deal at Walmart (pay .98!) This post may contain affiliate links. Please see the full disclosure policy here. Posted on December 5, 2011 Written by Mary Leave a Comment There is a nice high value coupon for $2/1 Excedrin Extra Strength 20ct Product or Larger . Excedrin 20ct – $ 2.98 -$2.00/1 Excedrin Coupon Final Cost: $.98 Each! Remember that Walmart prices may slightly vary by region.