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

Ampicillin (Principen, Omnipen)

Dosage form:

Tablets, capsules 250 mg. Powder for injection 1000 mg per vial.

Pharmacological group:

Penicillin-class antibiotic

Therapeutic use:

Infectious diseases caused by susceptible bacteria. Ineffective against beta-lactamase-producing organisms.

Dosage:

Dogs:
Routine infections: 10–20 mg/kg intravenously, intramuscularly, subcutaneously, or orally every 6–8 hours. Severe bacterial infections or CNS involvement: up to 40 mg/kg intravenously every 6 hours.
Cats:
10–20 mg/kg intravenously, intramuscularly, subcutaneously, or orally every 6–8 hours.

Calculate medication dosage for pets

Select the dosage form
Weight of the animal: ?
kg
Dose: ?
mg/kg
Amount of active ingredient: ?
mg/tablet
Dry substance amount: ?
mg
Diluent volume: ?
ml
Single dose:
0
tablet

Ampicillin (Principen, Omnipen) 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.