Skip to content
All medicines

Metronidazole

Brands: Flagyl, Metrogel

Metronidazole is an antibiotic and antiparasitic used in pets to treat infections and inflammation.

Prescription requiredNitroimidazoleantibiotic|antiparasiticdogcat

Used for

  • bacterial infections
  • protozoal infections
  • inflammatory bowel disease

How it is given

Administration
oral
Frequency
twice daily
Duration
typically 5-7 days, or as prescribed
Storage
Store at room temperature, away from moisture and sunlight
Pregnancy safety
caution

Always confirm the exact dose with your veterinarian before giving any medicine.

Typical dose ranges

cat

Standard
5-10 mg/kg, twice daily

dog

Large dogs
500 mg, twice daily
Small dogs
5-10 mg/kg, twice daily
Medium dogs
250 mg, twice daily

Ranges are reference only. Your vet sets the dose for your pet's weight and condition.

Active ingredients

  • Metronidazole

Side effects

Common

  • nausea
  • vomiting
  • diarrhea

Rare

  • lethargy
  • weakness

Severe

  • neurological signs such as seizures

Do not use when

  • severe liver disease
  • hypersensitivity to Metronidazole

Interacts with

  • Warfarin
  • Cimetidine

Warnings

  • Monitor liver function in animals with liver disease
  • Use with caution in pregnant pets

Metronidazole questions

What is Metronidazole used for in pets?

Metronidazole treats bacterial and protozoal infections in pets.

Can Metronidazole cause side effects?

Yes, common side effects include nausea and diarrhea.

Is Metronidazole safe for pregnant pets?

Use with caution and always under veterinary guidance.

What should I do if a dose is missed?

Administer the missed dose as soon as possible unless it's almost time for the next dose.

Does Metronidazole require a prescription?

Yes, a prescription from a veterinarian is necessary.

Full drug detail

Overview

Metronidazole is a versatile medication used in veterinary medicine primarily for its antibiotic and antiparasitic properties. It is effective against a range of bacterial and protozoal infections, making it a valuable tool in treating gastrointestinal and systemic infections in pets.

How It Works

Metronidazole works by inhibiting nucleic acid synthesis in microorganisms, leading to the death of sensitive bacteria and protozoa. Its effectiveness against anaerobic bacteria and certain parasites makes it a go-to medication for specific infections.

Uses & Indications

Metronidazole is commonly used to treat:

  • Bacterial infections such as periodontal disease
  • Protozoal infections like giardiasis
  • Inflammatory bowel disease
  • Other gastrointestinal infections Consult a veterinarian for accurate diagnosis and treatment recommendations.

Dosage Guidelines

Proper dosing of Metronidazole is crucial for safety and efficacy.

Dogs

  • Small Dogs: 5-10 mg/kg, twice daily
  • Medium Dogs: 250 mg, twice daily
  • Large Dogs: 500 mg, twice daily

Cats

  • Standard: 5-10 mg/kg, twice daily Always follow the veterinarian's prescribed dosage.

Administration

Metronidazole is administered orally in tablet or liquid form. Ensure that the full course is completed even if symptoms improve.

Side Effects

Common

  • Nausea
  • Vomiting
  • Diarrhea

Rare

  • Lethargy
  • Weakness

Severe

  • Neurological signs such as seizures (seek immediate veterinary attention)

Precautions & Warnings

Metronidazole should not be used in pregnant animals unless absolutely necessary. Pets with liver disease require careful monitoring.

Drug Interactions

Metronidazole may interact with:

  • Warfarin
  • Cimetidine Inform your veterinarian of any medications your pet is taking.

Storage

Store Metronidazole at room temperature, away from direct sunlight and moisture.

FAQ

  1. What is Metronidazole used for in pets? Metronidazole treats bacterial and protozoal infections in pets.
  2. Can Metronidazole cause side effects? Yes, common side effects include nausea and diarrhea.
  3. Is Metronidazole safe for pregnant pets? Use with caution and always under veterinary guidance.
  4. What should I do if a dose is missed? Administer the missed dose as soon as possible unless it's almost time for the next dose.
  5. Does Metronidazole require a prescription? Yes, a prescription from a veterinarian is necessary.

Storage

Store Metronidazole in a cool, dry place, away from children and pets.

Conclusion

Metronidazole is an effective treatment for certain infections in pets when used appropriately. Always consult with a veterinarian for tailored advice and treatment plans.

Back