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

Cetirizine (Zyrtec, Reactine)

Dosage form:

Tablets 10 mg; injectable solution 5 mg/5 mL

Pharmacological group:

Antihistamine

Therapeutic use:

Allergic reactions

Dosage:

Dogs:
1 mg/kg orally once every 24 hours
Cats:
5 mg per cat orally once every 24 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

Cetirizine (Zyrtec, Reactine) 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.