Sulfamethoxazole-Trimethoprim
Brands: Bactrim, Septra
Sulfamethoxazole-Trimethoprim is a combination antibiotic used to treat various infections in pets.
Used for
- urinary tract infections
- respiratory infections
- skin infections
How it is given
- Administration
- oral
- Frequency
- every 12 hours
- Duration
- 7-14 days
- Storage
- Store in a cool, dry place away from sunlight
- Pregnancy safety
- caution
Always confirm the exact dose with your veterinarian before giving any medicine.
Typical dose ranges
cat
- Standard
- 13 mg/lb every 12 hours
dog
- Large dogs
- 13 mg/lb every 12 hours
- Small dogs
- 13 mg/lb every 12 hours
- Medium dogs
- 13 mg/lb every 12 hours
Ranges are reference only. Your vet sets the dose for your pet's weight and condition.
Active ingredients
- Sulfamethoxazole
- Trimethoprim
Side effects
Common
- vomiting
- diarrhea
Rare
- loss of appetite
Severe
- allergic reactions
Do not use when
- liver disease
- kidney disease
Interacts with
- Warfarin
- ACE inhibitors
Warnings
- Not for use in pets with blood disorders
- Monitor for allergic reactions
Sulfamethoxazole-Trimethoprim questions
Can this medication be used for puppies and kittens?
Consult a veterinarian as young animals may require special dosing.
What should I do if a dose is missed?
Administer as soon as possible unless it's near the time for the next dose.
Are there any foods to avoid?
Generally, no specific food restrictions, but consult your vet.
What if my pet shows severe side effects?
Seek veterinary attention immediately.
How long is the typical treatment?
Treatment usually lasts 7-14 days, depending on infection severity.
Full drug detail
Overview
Sulfamethoxazole-Trimethoprim is a combination antibiotic used in veterinary medicine to treat a variety of bacterial infections in pets. It's effective against a wide range of infections due to its dual-action formula.
How It Works
Sulfamethoxazole works by inhibiting bacterial synthesis of dihydrofolic acid, while Trimethoprim inhibits the production of tetrahydrofolic acid. Together, they prevent bacteria from growing and multiplying.
Uses & Indications
This medication is commonly prescribed for:
- Urinary tract infections
- Respiratory infections
- Gastrointestinal infections
- Skin infections
Dosage Guidelines
Dosage varies based on the animal's weight and condition:
Dogs
- Small Dogs: 13 mg/lb every 12 hours
- Medium Dogs: 13 mg/lb every 12 hours
- Large Dogs: 13 mg/lb every 12 hours
Cats
- Standard: 13 mg/lb every 12 hours
Always follow your veterinarian's dosage instructions.
Administration
The medication is administered orally in tablet or liquid form. Ensure pets have access to water during treatment.
Side Effects
Common
- Vomiting
- Diarrhea
Rare
- Loss of appetite
Severe
- Allergic reactions (swelling, difficulty breathing)
Precautions & Warnings
- Not suitable for pets with liver or kidney disease.
- Avoid in pets with blood disorders.
Drug Interactions
- Warfarin
- ACE inhibitors
Storage
Store in a cool, dry place away from direct sunlight. Keep out of reach of children and pets.
FAQ
-
Can this medication be used for puppies and kittens? Consult a veterinarian as young animals may require special dosing.
-
What should I do if a dose is missed? Administer as soon as possible unless it's near the time for the next dose.
-
Are there any foods to avoid? Generally, no specific food restrictions, but consult your vet.
-
What if my pet shows severe side effects? Seek veterinary attention immediately.
-
How long is the typical treatment? Treatment usually lasts 7-14 days, depending on infection severity.