Reviewing the Rapid-Care G.I. for Dogs & Cats. Demonstrates a do it yourself section, quick and easy usage with your pet. Rapid-Care G.I. is an anti-diarrhea paste, designed to provide immediate relief for gastrointestinal upset, diarrhea and loose stools associated with dietary indiscretions. Other applicable ailments include garbage gut, food sensitivities, weaning, stress, antibiotics, age and traveling.