Puppy got too much dewormer. What are the overdose symptoms?

Wormers are generally considered very safe medications and although some vomiting or diarrhea may develop this should resolve uneventfully. Some types can cause tremors and neurological signs and you should contact an emergency vet and inform them of the brand, timing and dosage if you notice any unusual symptoms

It is quite possible that he is nauseous from the medicine or he had a lot of worms which are now dying and that is causing him a tummy ache. Don;t feed him for 12 to 24 hours and then offer him some bland food such as boiled white rice and boiled white boneless chicken. Feed him small portions often. When he has regained his appetite he should be fine. There is a possibility that he will get diarrhea as well for a day or two as the body is going to try to get rid of the worms as quickly as possible.

Hi, thanks for using Petco Pet Education Center, formerly Petcoach! In the US we do not use Albendazole in dogs or cats. If Oscar only weighs 5.5 lbs and if he was given 5mls that is 200mg of albendazole and at that dose it has been reported to cause mental dullness and decreased appetite in cats. It can also affect white and red blood cells. I don't have much information about overdoses in dogs. Stop giving him the medication. The dose of ivermectin should be ok. If he gets worse or doesn't improve he should be taken to an emergency hospital. Good luck!

Yes. Any deworming medication has the potential to cause side effects in your puppy or dog. Common side effects from tablets or liquids given to treat gastrointestinal worms include loss of appetite, vomiting, and diarrhea. Some medications, like Ivermectin, should not be administered to particular breeds of dogs. For instance collie breeds experience seizures, muscle twitching, and hypersalivation when treated with Ivermectin. Other deworming medications should not be given to pregnant or lactating dogs or puppies under certain ages. The safest and most effective deworming medications, or wormers, come from your vet or can be obtained with a prescription for your pooch.

Poor Gus, Bugzy, and Charlie! You can see some vomiting as a side effect of a deworming treatment. Give them a bland diet of boiled white meat chicken (no bones) and white rice to see if that helps them. Feed it for a couple of days, and then slowly add back in their normal diet. If the vomiting continues on the bland diet, they stop eating, and/or become very lethargic, I would take them into a vet immediately. Best of luck.

Hi,t hanks for using Petco Pet Education Center, formerly Petcoach! Dewowmers have the potential to cause an upset stomach such as vomit, diarrhea and decreased appetite. Though I am worried something else is going on since you lost a puppy recently. I worry most about parvo virus in puppies this age, especially if they are yet to be vaccinated. I would have this puppy seen today by your Vet and tested for parvo virus as it is VERY contagious and if it is the cause it will likely affect the entire litter. If it isn't parvo the Vet can at least get this puppy feeling better and prevent dehydration. Good luck!

It is normal to see some diarrhea and little lethargy after giving a [deworming treatment](https://www.petcoach.co/article/deworming-your-dog-what-to-expect). You may or may not see worms in his diarrhea. The side effects of the diarrhea and lethargy should only last 24-48 hours after giving the worming treatment. If they continue longer than that, or if Kiba becomes lethargic or refuses to eat or drink, you should take him into your vet for an exam.