Metronidazole Dosage for Dogs Calculator
Enter your dog’s weight to estimate the recommended Metronidazole dosage.
What is Metronidazole Dosage for Dogs Calculator?
Metronidazole is a prescription antibiotic and antiprotozoal medication used to treat infections in dogs caused by bacteria or parasites. It’s commonly used for:
Diarrhea
Giardia
Inflammatory bowel disease (IBD)
Dental infections
Anaerobic bacterial infections
Marketed under brand names like Flagyl, this drug is widely used by veterinarians to combat gastrointestinal problems.
Standard Metronidazole Dosage for Dogs
Veterinary dosage guidelines typically recommend:
Dosage range: 5 to 25 mg per kilogram of body weight
Frequency: Usually every 12–24 hours
Form: Tablet or liquid suspension
Always consult your vet before giving any medication to your dog.
Metronidazole Dosage Chart
| Weight (kg) | Dosage Range (mg/day) |
|---|---|
| 5 kg | 25 – 125 mg |
| 10 kg | 50 – 250 mg |
| 20 kg | 100 – 500 mg |
| 30 kg | 150 – 750 mg |
For a precise estimate, use the calculator above.
Metronidazole Dosage Calculator for Dogs
To simplify your dosing decisions, we’ve created a reliable Metronidazole Dosage Calculator (above). Just enter your dog’s weight in kilograms, and the tool will instantly display a safe dosage range.
Related Calculator:
How to Convert Pounds to Kilograms
If you know your dog’s weight in pounds:
Example:
44 lbs ÷ 2.2046 = 20 kg
Side Effects to Watch Out For
Though effective, Metronidazole can cause side effects in some dogs, especially at higher doses or prolonged use.
Common Side Effects:
Nausea or vomiting
Diarrhea
Fatigue or lethargy
Drooling or loss of appetite
Serious Side Effects (rare):
Seizures
Tremors
Neurological issues
Contact your vet immediately if your dog exhibits any of the above.
Tips for Giving Metronidazole
Give with food to minimize stomach upset.
Don’t crush extended-release tablets unless advised by your vet.
Stick to the exact schedule and dosage prescribed.
Final Thoughts
Metronidazole can be a powerful tool to help your dog recover from infections and gut issues — but only if dosed properly. Our Metronidazole Dosage for Dogs Calculator gives you an accurate and safe dosage range based on your dog’s weight.
Always talk to your veterinarian before starting or adjusting any medication.