Amazon has the 100-count Motrin IB Ibuprofen 200mg Tablets for Fever, Muscle Aches, Headache & Back Pain Relief on sale for $5.05 - 5% off with Subscribe & Save (can cancel anytime) - 20% off coupon (check “Save an extra” box, eligible on first S&S order for this product)= $3.79 with free shipping on $35+ or with Prime. 3.79 cents per pill.