Praziquantel Dosage Calculator for Dogs

The Praziquantel Dosage Calculator for Dogs estimates the Total Dosage Required based on your dog's weight, infection type, and medication formulation. This tool helps dog owners treat parasites safely by determining the precise amount of liquid or tablets needed. Whether you are treating tapeworms, managing liver flukes, or adjusting for infection severity, this tool provides accurate dosing to ensure effective treatment.

Enter your dog's weight
1 = Mild, 5 = Severe

How Total Dosage Required Is Calculated

Total Dosage Required represents the exact amount of medication needed to clear a parasitic infection from your dog's system. This calculation is critical because different parasites require different drug concentrations to be eliminated effectively.

Weight (kg) × Dosage Factor = Total Dose (mg)

Where:

  • Tapeworm Factor: 5–10 mg/kg
  • Liver Fluke Factor: 25–50 mg/kg
  1. First, the calculator converts your dog's weight into kilograms for standard measurement.
  2. Next, it applies a specific dosage factor based on the infection type, as liver flukes require a higher dose than tapeworms.
  3. The severity slider adjusts the dose within the safe range to account for heavy infestations.
  4. Finally, the total milligrams are divided by your medication's strength to determine the exact volume or number of tablets.

This method ensures the drug reaches therapeutic levels in the specific tissue where the parasite lives, whether in the intestine or the liver.

What Your Total Dosage Required Means

This result tells you the exact amount of medicine to give your dog to kill the parasites effectively. It translates the mathematical dosage into a practical measurement you can administer safely.

Tapeworm Treatment

For standard tapeworms, your result will typically fall between 5 and 10 mg per kg. A single dose at this lower range is usually sufficient to clear intestinal parasites. Always ensure you administer the full dose to prevent re-infestation.

Liver Fluke Treatment

If treating liver flukes, the required dosage is significantly higher, ranging from 25 to 50 mg per kg. This higher dose is necessary to penetrate deep into the liver tissue and bile ducts where these parasites hide.

High Severity Infections

If you selected a high severity rating, the calculator calculates the maximum effective dose. This ensures the treatment is strong enough to eliminate a large burden of parasites or resistant strains.

Important

Always verify the concentration of your liquid suspension or the milligram strength of your tablets before administering. Using a different strength than selected can lead to dangerous under-dosing or overdosing.

Disclaimer: This calculator is for informational purposes only and is not a substitute for professional veterinary advice, diagnosis, or treatment. Always seek the advice of your veterinarian with any questions you may have regarding a medical condition or medication.

After administering the dose, monitor your dog for 24 to 48 hours to ensure the medication is tolerated and to check for the passing of worms in the stool.