There are two Claritin coupons that you can print off of Coupons.com. I would print these for now (you can print two of each) and hold for a sale for a drugstore deal.
$4/1 Claritin product, 24 ct + printable
$3/1 Claritin-D product, 15 ct + printable
Find more Printable Coupons on Faithful Provisions.