With the RespoCough Protect ComboPack , you receive a twopart approach especially formulated by a clinical psychologist and our team of experts in natural medicine. This 100 natural combo features a twopack with one bottle of each popular remedy: KCDefense and RespoK . KCDefense is a safe, nonaddictive, 100 natural homeopathic remedy formulated especially for pets to temporarily relieve symptoms such as dry, hacking coughs and sneezing for respiratory support. RespoK is a safe, nonaddictive, natural remedy containing 100 homeopathic ingredients especially selected to temporarily relieve the symptoms of colds and respiratory irritation in pets. Get them in one convenient package together the RespoCough Protect ComboPack .