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Imodium for Dogs : Uses, Dosage, & Side Effects

Most people do not run to the doctor every time they have a mild case of diarrhea. Instead, they take some Imodium and treat themselves at home. So can we do the same with our dogs, treatment at home instead of visiting the vet every time our dog gets an upset stomach? Well, yes, Imodium is an ideal medicine for upset stomach but not before consulting the vet once. Before that what is Imodium and its dosage limits to feed your pet.

What is Imodium?

Imodium is an over-the-counter medication that treats diarrhea in humans. Imodium is the brand name for loperamide, which is a synthetic opioid. They are a group of drugs that relieve pain, but they are known for causing constipation. Loperamide, specifically, is known for causing constipation and not relieving much pain, which makes it a good medicine in the case of diarrhea. It acts on the opioid receptors in the gut to decrease bowel movements. Therefore, it can help with short bowel syndrome, irritable bowel syndrome (IBS), Crohn’s disease, etc. But it is essential to take it in prescribed doses only because higher than that can cause serious problems.

Can You Give a Dog Imodium?

As a pet parent you may think once for sure can i give Imodium to my dog? Generally, it is safe to give Imodium to a canine but not before doing that make sure to consult a vet. It is essential to follow the doctor’s instructions precisely while giving this medicine to your dog. Imodium will treat diarrhea well, but you should keep its side effects in mind.

When to Not Give Imodium to a Dog?

Treating diarrhea is a good idea, mostly. In some situations, infections cause diarrhea, and it is the body’s way of getting the bacteria out. Giving Imodium, in this case, wouldn’t be good, so always ask your vet and make sure it is safe for your dog. Other situations where Imodium is not good are –

  • Genes: The herding breeds such as collies, Australian Shepherds, etc., have a genetic mutation that prevents them from breaking down Imodium. So if given, it can cause severe side effects.
  • Age and size: This drug should not be given to small dogs under 9 kg, and the same goes for the very young or ancient ones.
  • Pregnant or nursing: You should never give drugs to pregnant or nursing dogs without proper medical supervision.
  • Medical conditions: If your dog has diseases like hypothyroidism, liver disease, kidney disease, or any other condition, then Imodium will only make it worse.
  • Allergies: Imodium can cause allergies in some dogs, so you should be careful before giving it to them.
  • Other medication: Imodium can sometimes react badly if the dog is on other medication, even over-the-counter drugs.

If none of the above conditions relates to your dog and your doctor gives you the positive, you should go ahead and give the medicine, only the dosage confirmed by the doctor.

What is an appropriate Imodium Dosage for Dogs?

Have any idea how much imodium can i give my dog? Of course, your vet will prescribe the exact dosage of Imodium for your dog, but the usual is 2mg of Imodium for every 40-50 lbs of weight, twice or thrice in a day. Liquid Imodium is better for smaller dogs. Your dog should not take this medicine for more than five days.

Imodium Side Effects on Canines

Almost all medications have side effects on some dogs, and Imodium is no different.

  • The most common side effect of Imodium is sedation. If you accidentally overdose the dog, it might get highly sedated.
  • Other symptoms include vomiting, soft stools, bloating, weight loss, gas, lethargy, etc.
  • If the side effects remain after two days, you should take your dog to the vet and get it checked.

Alternatives for Imodium for Pets

If you’re not sure if Imodium is the medicine for your dog, there are also some home remedies that you could try to treat your pets diarrhea. Then there are the medical alternatives. Here is what to give dogs for diarrhea rather than Imodium.


It is parenting 101 to make sure you only give your child (read-dog) the medicines that would not harm them after consulting the doctor. It is natural to treat your pet’s upset stomach at home itself, but you must keep in touch with the doctor as you need to follow all their instructions religiously for your little friend to get better. Confirm the reason for their diarrhea before taking any other action on your own. Imodium is suitable for treating a dog’s diarrhea, but only in a prescribed dosage.