Pepto Bismol InstaCOOL Liquid. When you have stomach troubles, Pepto with InstaCOOL formula cools and coats to provide fast relief from nausea, heartburn, indigestion, upset stomach, and diarrhea. Relief you can feel!Pepto Bismol provides fast and effective relief from nausea, heartburn, indigestion, upset stomach, and diarrhea. Pepto Bismol has been a trusted brand for the treatment of upset stomachs for over 100 years.If you often find yourself around food occasions, exploring specialties from around the world, celebrating holidays feasting with friends or family , or simply enjoying food, make sure you savor every bit by having Pepto on hand for those unpredictable stomach troubles.If you like to travel, be active playing your sports or out in the stands cheering for your favorite teams, you probably want to make sure you enjoy every single second of it and not think about those occasional digestive symptoms that can occur. Pepto is there for you when you need it most! With fast 5 symptom relief, Pepto provides fast and effective relief from nausea, heartburn, indigestion, upset stomach, and diarrhea.Pepto Bismol - fast relief when you need it most.