Imodium is a common anti-diarrheal medication used in people and can be used for dogs in some cases. Learn more about the use of Imodium in dogs. Loperamide is the generic form of the brand-name drug Imodium, a medication used to treat diarrhea. Imodium works by slowing down the movement of the gut. It may just be an issue of adjusting to different foods. Not an uncommon problem when you bring a new dog into your home. Ask the people you bought her from what they were feeding and use the same food until she's back on track. How to use Imodium Capsule. See also Warning section. If you are using the over-the-counter product to self-treat, read all the directions on the product package before taking this medication. Imodium is an anti-diarrheal drug designed for the short-term treatment of mild to moderate diarrhea. It is not used often in veterinary medicine due to its side effects, and rarely in cats. Curious about Imodium for dogs? Does your dog have digestive problems? Is he or she having diarrhea all the time? Maybe you just opened your medicine cabinet to look for something that might help your furry friend, and now you’re wondering if you can give a dog Imodium. When faced with a case of upset tummy (read: diarrhea) in your dog, it’s natural to wonder if you really need to make a trip to the veterinary office or if you can treat your dog at home with something like Imodium. Let’s take a look at when it is okay to give your dog Imodium, and more importantly, when it is not. Multidrug Sensitivity in Dogs. Many herding breed dogs have a genetic predisposition to adverse drug reactions involving over a dozen different drugs. Imodium for Dogs — Is It Okay to Give Your Dog OTC Human Medicine for His Upset Stomach? Let's talk Imodium for dogs — can you give a dog Imodium for his upset stomach? Ivermectin for Dogs, Trifexis and a Host of Other Drugs Can Be Deadly for Dogs with the MDR1 Gene Mutation.