Having trouble getting rest or with coughing? There is a current deal at Walgreens for Vicks Nyquil or Dayquil for only $4.99. This coupon is good for the 10 or 12 ct. or 6oz liquid bottle. There is a limit of 3 per customer unless you live in the states of Idaho or New Mexico. The offer is good up until the 12th of March 2011, and can be found in the current Walgreens flyer.