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Sulfadiazine and Trimethoprim

Brands: Tribrissen, Bactrim

Sulfadiazine and Trimethoprim is an antibiotic used in pets to treat infections caused by bacteria.

Prescription requiredsulfonamide and trimethoprim combinationantibioticdogcat

How it is given

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

Sulfadiazine and Trimethoprim questions

Can this medication be used for all types of infections?

It is effective against bacterial infections but not viral or fungal infections.

What should I do if I miss a dose?

Administer the missed dose as soon as possible unless it is close to the time for the next dose.

Can my pet have allergic reactions?

Yes, monitor for signs of allergic reactions such as swelling or difficulty breathing.

Is this medication safe for pregnant pets?

Use with caution and consult your veterinarian.

How long should my pet be on this medication?

Follow your veterinarian''s guidance, usually 7 to 14 days.

Full drug detail

Overview

Sulfadiazine and Trimethoprim is a combination antibiotic used in veterinary medicine to treat a variety of bacterial infections in pets. This combination works synergistically to inhibit bacterial growth and is effective against a broad spectrum of bacteria.

How It Works

The combination of Sulfadiazine, a sulfonamide antibiotic, and Trimethoprim, a dihydrofolate reductase inhibitor, blocks two consecutive steps in the bacterial synthesis of folic acid, leading to a bactericidal effect.

Uses & Indications

Sulfadiazine and Trimethoprim is commonly used to treat:

  • Urinary tract infections
  • Respiratory infections
  • Skin infections

Dosage Guidelines

Dogs

  • Small Dogs: 12.5 mg per kg of body weight
  • Medium Dogs: 12.5 mg per kg of body weight
  • Large Dogs: 12.5 mg per kg of body weight

Cats

  • Standard: 15 mg per kg of body weight

Administration

This medication is administered orally and is typically given twice daily. It is important to follow the veterinarian's prescription closely.

Side Effects

Common

  • Loss of appetite
  • Vomiting

Rare

  • Allergic reactions

Severe

  • Blood disorders (require immediate veterinary attention)

Precautions & Warnings

  • Not suitable for pets with liver or kidney disease
  • Avoid in pets with a known sulfonamide allergy

Drug Interactions

  • Anticoagulants: May increase bleeding risk
  • Methotrexate: May increase toxicity
  • May interact with other antibiotics

Storage

Store at room temperature, away from moisture and sunlight.

FAQ

  1. Can this medication be used for all types of infections? It is effective against bacterial infections but not viral or fungal infections.

  2. What should I do if I miss a dose? Administer the missed dose as soon as possible unless it is close to the time for the next dose.

  3. Can my pet have allergic reactions? Yes, monitor for signs of allergic reactions such as swelling or difficulty breathing.

  4. Is this medication safe for pregnant pets? Use with caution and consult your veterinarian.

  5. How long should my pet be on this medication? Follow your veterinarian's guidance, usually 7 to 14 days.

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