A B C D E F G I K L M N O P R S T U V X Z

Phenobarbital (Luminal, Phenobarb)

Dosage form:

Tablets 15 mg, 30 mg, 60 mg, 100 mg; injectable solution 30 mg/mL and 120 mg/mL

Pharmacological group:

Anticonvulsant

Therapeutic use:

Seizures and idiopathic epilepsy

Dosage:

Dogs:

1) Starting dose: 1–2.5 mg/kg orally every 12 hours, then adjusted based on blood phenobarbital levels.
2) Acute severe seizures in a non-phenobarbital-treated dog: loading dose 18–24 mg/kg intravenously (2 administrations 20 minutes apart), then 2–3 mg/kg every 12 hours. In a phenobarbital-treated dog: loading dose 4–6 mg/kg.

Cats:

Starting dose: 1.5–3 mg/kg orally every 12 hours. In severe/critical situations: doses as in dogs.

Calculate medication dosage for pets

Select the dosage form

Tablets Ready-to-use solution Powder for solution preparation

Weight of the animal:

Dose:

mg/kg

Amount of active ingredient:

mg/tablet

Dry substance amount:

Diluent volume:

Single dose:

tablet

Phenobarbital (Luminal, Phenobarb) dosage calculation

Accurate dosing is essential when treating pets. To calculate a single dose correctly, you need three key values: the animal’s weight, the required dose of the active ingredient, and the concentration of the medication.

Calculation formula:

Single dose = (Animal weight × Required dose) ÷ Medication concentration

Important notes:

Always consult a veterinarian before using any medication.
Follow the recommended dosage and instructions for use.

Accurate dosing helps protect your pet’s health and reduces the risk of side effects.