Sulfadimethoxine-ormetoprim
Brands: Primor, Rofenaid
Sulfadimethoxine-ormetoprim is an antibiotic for dogs treating bacterial infections.
Used for
- respiratory infections
- urinary tract infections
- skin infections
How it is given
- Administration
- oral
- Frequency
- once daily
- Duration
- varies based on infection severity
- 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
- Not typically used in cats
dog
- Large dogs
- 25 mg/lb first day, then 12.5 mg/lb daily
- Small dogs
- 25 mg/lb first day, then 12.5 mg/lb daily
- Medium dogs
- 25 mg/lb first day, then 12.5 mg/lb daily
Ranges are reference only. Your vet sets the dose for your pet's weight and condition.
Active ingredients
- Sulfadimethoxine
- Ormetoprim
Side effects
Common
- vomiting
- diarrhea
Rare
- loss of appetite
Severe
- blood disorders
Do not use when
- liver disease
- kidney disease
Interacts with
- methotrexate
- warfarin
Warnings
- Ensure proper hydration
- Monitor for allergic reactions
Sulfadimethoxine-ormetoprim questions
What should I do if I miss a dose?
Administer as soon as possible, but skip if the next dose is near. Never double dose.
Can I use this for cats?
Consult a veterinarian as this medication is not typically used for cats.
What should I do if my pet shows side effects?
Contact your veterinarian immediately.
Is this safe for pregnant animals?
Use with caution and consult a vet.
How to recognize an allergic reaction?
Look for swelling, hives, or difficulty breathing and seek immediate veterinary care.
Full drug detail
Overview
Sulfadimethoxine-ormetoprim is a combination antibiotic used primarily in dogs to treat various bacterial infections. It is particularly effective against specific types of bacteria, making it a valuable tool in veterinary medicine.
How It Works
This combination drug includes sulfadimethoxine, a sulfonamide antibiotic, and ormetoprim, a potentiator, which together inhibit bacterial synthesis by blocking folic acid production.
Uses & Indications
Sulfadimethoxine-ormetoprim is indicated for the treatment of:
- Respiratory infections
- Urinary tract infections
- Skin infections Consult your veterinarian to confirm if this medication is suitable for your pet's specific condition.
Dosage Guidelines
Dogs
- Small Dogs: 25 mg/lb on the first day, followed by 12.5 mg/lb daily
- Medium Dogs: Follow the same dosage adjustment as small dogs
- Large Dogs: Follow the same dosage adjustment as small dogs
Cats
- Not typically used in cats. Consult a veterinarian for alternative treatments.
Administration
This medication is administered orally, typically in the form of tablets.
Frequency
The medication is usually given once daily.
Duration
Treatment duration can vary depending on the severity and type of infection. Do not exceed 21 consecutive days.
Side Effects
Common
- Vomiting
- Diarrhea
Rare
- Loss of appetite
Severe
- Blood disorders (seek immediate veterinary attention)
Precautions & Warnings
- Ensure your pet remains well hydrated
- Monitor for allergic reactions
- Not for use in animals with liver or kidney disease
- Avoid use in pregnant or lactating animals without veterinary advice Consult a veterinarian before use, especially if your pet has pre-existing health conditions.
Drug Interactions
- Methotrexate
- Warfarin
Storage
Store the medication in a cool, dry place away from direct sunlight.
FAQ
- What should I do if I miss a dose? Give the dose as soon as you remember, but if it is close to the next dose, skip the missed one. Never double dose.
- Can I use this in cats? It is not typically recommended for cats. Consult your veterinarian for alternatives.
- What if my dog shows side effects? Contact your veterinarian immediately if your dog exhibits severe side effects.
- Is this medication safe for pregnant dogs? Use with caution. Always consult your veterinarian.
- How do I know if my dog is allergic? Watch for signs like hives, swelling, or difficulty breathing. Seek veterinary help immediately.