Can Dogs Take Too Much Heartgard?

by | Last updated on January 24, 2024

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At elevated doses, sensitive dogs showed adverse reactions which included mydriasis, depression, ataxia, tremors, drooling, paresis, recumbency, excitability, stupor, coma and death

. HEARTGARD demonstrated no signs of toxicity at 10 times the recommended dose (60 mcg/kg) in sensitive Collies.

What if I accidentally gave my dog two NexGard?

If you believe your dog has reacted unexpectedly following ingestion of NexGard or NexGard SPECTRA, please

speak to your veterinarian or contact Boehringer Ingelheim Animal Health Customer Care on 1800 808 691

.

Can you overdose on Heartgard?

A single dose of Heartgard Plus for a dog weighing less than 25 kg contains 68 micrograms. Thus,

the same 10-kg dog would need to eat around 147 tablets for an overdose to occur

.

What happens if you give a dog too much ivermectin?

Clinical signs of poisoning include

dilated pupils, tremors, drooling, seizures, coma, inability to breath, and death

. Without aggressive treatment, ivermectin poisoning can be deadly.

How long does ivermectin toxicity last?

Most patients with ivermectin toxicosis respond well to supportive care and return to normal within

48 to 72 hours

.

Can you cut Heartgard Plus in half?

While on the face of it, splitting the medication might seem like a great and economical idea,

this practice is not recommended

. When splitting oral heartworm medication (especially soft chews), it is possible that you will not divide it evenly thereby resulting in one dog getting a smaller or larger dose.

Can't remember if I gave my dog heartworm medicine?


If it has been less than two weeks since the missed dose, give your dog the dose immediately

. If it has been over two weeks since the missed dose, contact your vet, who will likely advise you to resume normal dosing next month and have the dog tested for heartworm in six months.

Will too much NexGard hurt my dog?

The good news is that Nexgard is a very safe drug.

No adverse reactions were observed in healthy Beagle puppies over 8 weeks of age when treated with 5 times the maximum dose repeated 6 times at intervals of 2-4 weeks

. She should be fine!

Can you give NexGard twice a month?

Can I administer NexGard more than once a month?

Don't re-administer NexGard before the month is through

. It keeps working for a full 30 days.

Can I split NexGard in half?

Unfortunately for any of the chewable tablets, the medication may not be evenly distributed throughout the tablet, so

the companies do not recommend dividing chewable tablets

.

How much ivermectin is toxic to dogs?

– For most dogs signs of toxicosis may be seen at doses

greater than 2 mg/kg (0.9 mg/lb)

. Dogs affected by genetic sensitivity can have toxicosis with as little as 0.1 mg/kg (0.04 mg/lb).

Can Heartgard make dogs sick?

There are rarely side effects, if given at the proper dosage, but

some dogs may experience vomiting, diarrhea, or incoordination

. In the case of an allergic response to the heartworm medication, a dog may experience itching, hives, swelling of the face, or even seizures or shock.

How much ivermectin do you give a 50lb dog?


15 ml (milliliters) of the 1% ivermectin for every 50 lbs

. 10 mg per lb every 6 hrs: 10 mg per lb every 6 hrs. Answered by a verified Dog Veterinarian.

How much Heartgard is toxic?

HEARTGARD demonstrated no signs of toxicity at 10 times the recommended dose (

60 mcg/kg

) in sensitive Collies. Results of these trials support the safety of HEARTGARD products in dogs, including Collies, when used as recommended.

How long does ivermectin stay in a dog's system?

The elimination half-life after oral administration of ivermectin to dogs is

3.3 days

,

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while after SC administration, the half-life is 3.2 days in dogs

43

and 3.4 days in cats.

Is ivermectin harmful to dogs?

Given at the proper doses and under the supervision of a veterinarian,

ivermectin is safe for most dogs

and is very effective in treating and preventing a number of parasites. However, a dog with the mutation who ingests the drug can have a severe, life-threatening reaction called .

Does your dog really need Heartgard?

One of the most common questions heard by our veterinarians during an annual wellness exam is, “Does my pet really need ?” To put it simply:

yes! Even if your pet is considered “indoors-only,” all cats and dogs should be on a heartworm prevention medication.

Can I give my dog half a heartworm pill?


Splitting these tablets may result in unequal concentrations of medication in each portion

. As a result, if you split a heartworm pill, one dog may receive protective amounts of the preventative while the other does not. And this could prove to be quite expensive if that dog comes down with heartworms.

Can Heartgard be taken on an empty stomach?


May be given with or without food

. If your animal vomits or acts sick after receiving the drug on an empty stomach, try giving the next dose with food or a small treat. If vomiting continues, contact your veterinarian.

Is it OK to skip a month of heartworm medicine?


Most of the monthly heartworm medicines have a safety factor of at least 15 days of protection if a dose is missed

. This means that if you're just a week or two late, your pet is likely still within that window of protection and would be unlikely to become infected during that time.

Can I give my dog heartworm medicine every other month?

However, due to the heartworm life-cycle, it is likely that

giving the medication every 45 to 60 days

, rather than every 30 days, will allow immature heartworms to develop into adult heartworms. In other words, heartworm prevention medication is not effective when given every 45 to 60 days.

Can you skip a month of heartworm medicine?

A: Give the dose you missed immediately, then continue giving the medication on the day you've always given it.

If the missed dose is more than 2 weeks late, your dog should be tested for heartworm again in six months

(click here to learn why).

Can a small dog overdose on NexGard?

While they're typically safe if administered according to instructions,

if your pet overdoses on medication or has an adverse reaction, they can suffer difficult breathing, seizures, and potentially life-threatening consequences

.

What happens if I give my dog too much flea medicine?

Common signs of toxicity from flea products containing organophosphates are

diarrhea, vomiting, difficulty breathing, small pupils, muscle tremor, weakness or falling over, and drooling

. Organophosphate toxicity can be rapidly fatal, depending on the ingredients and dose the pet is exposed to.

How long does flea medicine toxicity last?

Most mild to severe clinical signs resolve within

24 to 72 hours

.

James Park
Author
James Park
Dr. James Park is a medical doctor and health expert with a focus on disease prevention and wellness. He has written several publications on nutrition and fitness, and has been featured in various health magazines. Dr. Park's evidence-based approach to health will help you make informed decisions about your well-being.