The milk mans wife shares her Amish recipe for homemade cough syrup. You can make a whole gallon and then you will have plenty for a long time.
Homemade Cough Syrup
http://themilkmanswife.blogspot.com/2009/02/homemade-couh-syrup.html
Ball 125th Anniversary Ball 125th Anniversary Collector’s Jar 1-gallon