Winter Ease, formerly Flu-Ease is a safe, fast-acting homeopathic liquid for dogs with a mucus discharge, fever, cough or congestion. This remedy is specifically formulated for bacteria or viral conditions such as colds, flus or kennel cough.This product can also be used for natural prevention if you think your dog may be exposed. Combine with infection drops for maximum results! Beneficial for: Cold, Flu, Cough and Congestion.