Immediate Response is a paste supplement for symptoms of colic, scours, gut ache, diarrhea, stress, heat exhaustion, dehydration, and exposure to moldy hay or conditions associated with digestive upset. First aid for colic episodes prior to professional diagnosis and treatment. Directions: Equine During crisis - administer entire syringe; For other episodes - administer 10 ml per 1,000 lbs body weight.