Amazon has the 100-Count Benadryl Ultratabs Antihistamine Allergy Relief Tablets (Diphenhydramine HCl 25mg) for $8.86 - 25% off coupon (check "Save an extra" box, eligible on first S&S order for this product) - 5% off with Subscribe & Save (can cancel anytime) = $6.20 with free shipping on $35+ or with Prime.