Primidone 250mg PER TABLET

Primidone 250mg PER TABLET
List Price: $0.50
Sale Price: $0.23
Code: prim250per
Enter pet & vet info at checkout
  • Let us contact your vet for you
  • Have your vet call or fax us
  • Mail us the original prescription

Primidone is used to for long-term control of convulsions, seizures, and epilepsy in dogs. It's rarely used in cats. Primidone requires a prescription from your veterinarian, and is sold per tablet.


Dogs, and rarely with Cats


  • Controls severity and frequency of seizures associated with epilepsy
  • Also provides an effective means of controlling convulsions associated with infectious neuropathies such as viral encephalitis and distemper

How it works

When Primidone is ingested, it's converted to phenobarbital which is an anticonvulsant. It works by decreasing nerve impulses in the nervous system, which helps to reduce seizures


Should be stored at room temperature, away from moisture and heat.

Weitht Dosage
All weights The usual dose in dogs is 2.3-6.8 mg per pound of pet's body weight per day in 2 or 3 divided doses. Primidone can be given with food. Allow plenty of water for your pet to drink


Primidone should not be used in pregnant or nursing animals. Other drugs, as well as vitamins and supplements, may have an adverse interaction with Primidone, so disclose to your veterinarian what other products you are giving to your pet. Primidone may cause drowsiness, dizziness, hives, swelling or other side effects. Contact your vet at the onset of any of abnormal physical or behavioral change in your pet. It is very important not to miss giving your pet a dose, as this can cause a seizure.

Side Effects

If your pet develops any of the following serious side effects, stop giving primidone and seek emergency veterinary medical attention; an allergic reaction (difficulty breathing, closing of the throat, swelling of the lips, tongue, face, or hives); a rash; worsening of seizures; fever. Other less serious side effects may occur. Continue to give primidone and talk to your veterinarian if your pet experiences dizziness, poor coordination, or drowsiness; blurred vision; irregular back and forth movements of the eyes; or nausea and vomiting. Side effects other than those listed in this guide may also occur. Talk to your veterinarian about any side effect that seems unusual or that is especially bothersome to your pet.