Pets Cough Cold Formula 4oz - An herbal supplement to help your pet overcome the common cold Pets Cough & Cold Contains: Feverfew, Flax seed, Angelica Root, Myrrh, Corn Silk, Blueberries, Bayberry, Thyme, Alcohol, Filtered Water. CAUTION: Pets Cough & Cold has a four year shelf life. Do not mix Pets Cough & Cold with Numo Care or Canine Distempaid. As with any food product, herbs can antagonize allergies in your pet. Stop giving Pets Cough & Cold if you see any of the following: Rashes, hives, edema (swelling), diarrhea, or blood in stools. If your pet has a reaction take to a veterinarian. (Have your vet treat for symptoms).