What happens if a dog gets too much phenobarbital?

Yes, dogs can overdose on Phenobarbital. Phenobarbital toxicosis manifests with ataxia, heavy sedation, recumbency (inability to stand), hypothermia (decreased body temperature), coma, and even death. If case of accidental ingestion, call the vet or Animal Poison Control Helpline immediately.

How do I know if my dog is taking too much phenobarbital?

Symptoms of over dosage of Phenobarbital are ataxia (drunk acting), lethargy, sedation, recumbency (inability to stand), depression, hypothermia (decreased temperature), coma, and death. In addition, there is also a concern for damage to the liver.

What is the maximum amount of phenobarbital for dogs?

The initial dosage (dogs only) is 5–15 mg/kg/day in three divided doses, increased over time to a maximum of 35 mg/kg/day. Effective serum levels are determined by the serum level of phenobarbital (15–45 mcg/mL).

How much phenobarbital can I give my 70 pound dog?

Typically, phenobarbital is started at a dose of 2.5 mg per kilogram of body weight every 12 hours. Depending on how your dog responds, this dose may be raised or lowered. Timing of each dose is very important as missing even one dose can potentially trigger a seizure.

How do dogs act on phenobarbital?

Some dogs on phenobarbital become hyperactive and aggressive. Other adverse effects include diarrhea, vomiting, poor appetite, and itching. During prolonged use, phenobarbital in dogs can damage the liver. Your veterinarian will test liver function with blood tests at regular intervals to guard against this risk.

How much phenobarbital should a dog take?

Dosage Of Phenobarbital For Dogs Typically, the starting dosage for dogs is 1 to 2 mg per pound of body weight given twice daily. This can be increased up to 8 mg per pound of body weight per day based on the dog’s response.

Does phenobarbital have to be given exactly every 12 hours?

Absorption of phenobarbital varies greatly among breeds, therefore dosage should be determined by your veterinarian based on your dog’s weight, and the frequency and severity of seizures. Generally, this medication should be given every 12 hours, and it is important not to miss a dose.

Does phenobarbital make dogs hungry?

Because Phenobarbital may also decrease other neurotransmitters, common side effects may include lethargy and loss of coordination, as well as: Increased appetite, which may lead to weight gain.

How do I know if my dog has brain damage after a seizure?

Common symptoms include: Lethargy. Reduced consciousness. A dazed or disoriented appearance. Paralysis of one or more limbs.

Does phenobarbital change dog’s personality?

Common side effects in dogs include anxiety, agitation, lethargy, or sedation when therapy is started, and increased thirst, urination, and appetite or elevated liver enzymes on bloodwork are possible.

Why does my dog whine on phenobarbital?

If your dog was just started on Phenobarbital or their dosage was increased, they may whine some after taking their medications. This medication is supposed to cause your dog to become calm. Some dogs it will have the opposite effect after starting them medication and they may become more agitated and whine.

Do seizures damage a dog’s brain?

That said, seizures can be a serious health concern and even short seizures could cause brain damage. If your dog suffers a seizure that continues for more than 30 minutes serious permanent brain damage could result.

Can I give my dog phenobarbital 3 times a day?

The most commonly recommended dose in dogs is 2-3 mg phenobarbital per kilogram of body weight given every 12 hours. In some cases, it helps to divide the daily dose into three equal doses given every 8 hours. Each patient is different and only the attending veterinarian should make specific recommendations.

Should you euthanize a dog with seizures?

There is no cure for canine epilepsy. In some cases a dog’s lifespan can be shortened, but in others they can live a good life with effective medication. Euthanizing an epileptic dog is a personal choice and your vet is best placed to advise you.