Mina had pooped in the bathtub, which was, by the way, not that surprising, because this dog, she has her moments. Though antibiotics can come with negative side effects (like cat or dog diarrhea), they can be a crucial tool for helping your cat or dog fight off infections. Here's information about the most common conditions, how they are treated, and when your dog should see a vet.Things that can make your dog lethargic and weak can range from infection and disease to pain and A few of the more common causes of weakness or lethargy in dogs include the following:If you think your dog has consumed human medication -- or anything that might be toxic -- call your vet at once or call the Animal Poison Control Center at (888) 426-4435.Any of the following can cause weakness and lethargy in dogs:Because so many things can cause weakness or lethargy in your dog, always give your vet a call if you notice these symptoms.National Institutes of Health, Veterinary Medicine Labels: "Clomicalm (clomipramine hydrochloride) Tablet, Clomipramine (clomipramine hydrochloride) Powder. My dog has been taking an antibiotic and will not eat or drink. Any kind of infection -- including serious ones such as parvovirus, distemper, kennel cough, leptospirosis, and heartworm disease -- can make your dog lethargic. She's a shi tzu poodle mix with a history of allergies. "Desert Labrador Retriever Rescue: "What's Valley Fever. "WebMD does not provide medical advice, diagnosis or treatment. My Online Vet Response for: Dog’s Recurring Diarrhea after Multiple antibiotics treatments by: Dr. Carol Jean Tillman . View Now let’s cover how to help your pet after antibiotic treatment.Antibiotics are not picky when deciding which bacteria to eliminate: they may wipe out bacterial pathogens, but along with it, your pet might lose lots of The same antibiotic can affect individual pets in very different ways. The main reasons dogs are prescribed antibiotics is for the treatment of infections, like bacterial infections, respiratory infections, gastrointestinal infections, and tissue and skin infections.Antibiotics for dogs work by either attacking the microorganism causing the … Lethargy and weakness -- these are vague but common symptoms of illness in dogs. June 4, 2013. We’ve gathered a few important tips that any pet parent can use to help support their furbaby.The bacteria and other microbes in your pet’s digestive tract (gut) are referred to as its Unfortunately, oral antibiotics cannot differentiate between the “bad” bacteria that may be causing a bacterial infection and the “good” bacteria that support your pet’s health, so it wipes out both beneficial and harmful bacteria. "Department of Agriculture and Food: "Health Care of the Farm Dog. But it is crucial that your pet continues to eat, because their body needs the energy to continue fighting infection and repairing damaged cells. Gastrointestinal discomfort is often seen with many antibiotic classes and should be monitored to prevent secondary issues such as dehydration, but long-term issues are uncommon. Antibiotics may successfully treat infections in dogs, but they often leave the dog’s body vulnerable. AnimalBiome offers Gut Health Test kits for We know that diet, medications, and environment can influence the microbiome. If your dog vomits while taking an antibiotic, consult with your vet for instructions on how to proceed. "Humane Society of Utah: "Year Round Heartworm Testing & Medication Provides the Protection Your Pet Needs. I mean, this was not one of her more delightful ones, but let's just say she's not a boring dog. Antibiotics indiscriminately kill bacteria in the dog’s GI tract, regardless if they’re good or bad. He is lethargic and seems uncomfortable. Yes, antibiotics can cause side effects such as vomiting, diarrhea, lack of appetite, and lethargy. A healthy dog will have small, firm, moist stools. However, that does not mean it is normal! But since In many pets, antibiotics can cause lethargy, nausea and/or a loss of appetite, which may make your pet less interested in eating their food. If they continue to refuse, consider adding something to the food to make it more palatable.