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Sulfaprim S

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Trimethoprim/Sulfonamide · Fatro S.p.A.

1 form: suspension. In force in Georgia: 1 of 1 (veterinary register).

Forms and doses1 of 1 in force in Georgia

The dose from the product's label, by species and weight. Check the label of the pack you use.

Choose a species; its rows are highlighted.
Form Species Dose Frequency Georgia
400 mg/ml + 80 mg/ml, Suspension · Cat Cat Bacterial Infection: No dose for this species - Georgia Yes, veterinary
In force until 26 Jun 2028
Veterinary (National Food Agency)
In the register: სულფაპრიმი S
№ 000370; 181-11
Verified on: 29 Oct 2026
400 mg/ml + 80 mg/ml, Suspension · Dog Dog Bacterial Infection: No dose for this species - Georgia Yes, veterinary
In force until 26 Jun 2028
Veterinary (National Food Agency)
In the register: სულფაპრიმი S
№ 000370; 181-11
Verified on: 29 Oct 2026
Details: pack, label wording, sources, registration

Sulfaprim S 400 mg/ml + 80 mg/ml, Suspension

sulfadiazine + trimethoprim, suspension for injection
Composition / strength
Trimethoprim/Sulfonamide480 mg/ml
Formulation Type
Suspension
Manufacturer
Fatro S.p.A. · Italy
Registration
Georgia Yes, veterinary
In force until 26 Jun 2028
Veterinary (National Food Agency)
In the register: სულფაპრიმი S
№ 000370; 181-11
Verified on: 29 Oct 2026
Controlled in Georgia
No
Checked against the narcotics law, Annex 1, lists I-IV, and Order No. 22/n.
Verified on: 16 Oct 2026
Cat
WeightBacterial Infection
Any weight No dose for this species
  • Bacterial Infection: No dog or cat dose: the Georgian registration lists cattle, horse, calf, foal, pig, sheep and goat only; no label for this exact product was found, and no identical 400 + 80 mg/ml sulfadiazine/trimethoprim injectable with a dog or cat dose exists (UK VMD, EU UPD). The 200 + 40 mg/ml injections for dogs and cats are a different strength.
Source:
NFA register
Reference book
A veterinary reference written and reviewed by specialists, summarising accepted practice. The product label gives the authorised dose.
Georgian veterinary medicines register - Sulfaprim S (FATRO), certificate 000370, order 181-11
NFA veterinary medicines register, 2026
Dog
WeightBacterial Infection
Any weight No dose for this species
  • Bacterial Infection: No dog or cat dose: the Georgian registration lists cattle, horse, calf, foal, pig, sheep and goat only; no label for this exact product was found, and no identical 400 + 80 mg/ml sulfadiazine/trimethoprim injectable with a dog or cat dose exists (UK VMD, EU UPD). The 200 + 40 mg/ml injections for dogs and cats are a different strength.
Source:
NFA register
Reference book
A veterinary reference written and reviewed by specialists, summarising accepted practice. The product label gives the authorised dose.
Georgian veterinary medicines register - Sulfaprim S (FATRO), certificate 000370, order 181-11
NFA veterinary medicines register, 2026
Active substance doses, with sources
Active substance Trimethoprim/Sulfonamide
Dose calculatorCalculates the active-substance amount; it is not a prescription.
PatientSpecies and weight will be filled in automatically in other calculators.
Selected dose
Dose Species Indication Route Frequency Source
15 mg/kg Dog, Cat Bacterial Infection; Skin and Soft Tissue Infection; Respiratory Tract Infection By mouth 2 times daily
VMD SPC 2026
Official product label (SPC), VMD, UK
Approved by the UK Veterinary Medicines Directorate (VMD) as part of the product's authorisation. It applies to that product as authorised there.
Trisulfin vet. 25 mg/125 mg chewable tablets for dogs and cats - Summary of Product Characteristics
UK Veterinary Medicines Directorate, 2026
ISCAID 2025
Guideline or consensus statement
Recommendations agreed by a panel of veterinary specialists after reviewing the evidence. They guide practice and do not authorise a product.
Antimicrobial use guidelines for canine pyoderma by the International Society for Companion Animal Infectious Diseases (ISCAID)
Veterinary Dermatology, 2025
ISCAID 2017
Guideline or consensus statement
Recommendations agreed by a panel of veterinary specialists after reviewing the evidence. They guide practice and do not authorise a product.
Antimicrobial Use Guidelines for Treatment of Respiratory Tract Disease in Dogs and Cats
Journal of Veterinary Internal Medicine, 2017
30 mg/kg Dog Bacterial Infection By mouth once daily
MSD Vet Manual 2026
Reference book
A veterinary reference written and reviewed by specialists, summarising accepted practice. The product label gives the authorised dose.
Sulfonamides and Sulfonamide Combinations Use in Animals
MSD/Merck Veterinary Manual, 2026
30–45 mg/kg
off-label
 Dog Bacterial Infection By mouth 2 times daily
MSD Vet Manual 2026
Reference book
A veterinary reference written and reviewed by specialists, summarising accepted practice. The product label gives the authorised dose.
Sulfonamides and Sulfonamide Combinations Use in Animals
MSD/Merck Veterinary Manual, 2026
30 mg/kg Dog, Cat Bacterial Infection Subcutaneous once daily
VMD SPC 2024
Official product label (SPC), VMD, UK
Approved by the UK Veterinary Medicines Directorate (VMD) as part of the product's authorisation. It applies to that product as authorised there.
Diatrim 200 mg/ml + 40 mg/ml solution for injection for cattle, pigs, dogs and cats - Summary of Product Characteristics
UK Veterinary Medicines Directorate, 2024

Known Contraindications

  • Critical
    Do not use in cases of hypersensitivity to the active substances (or any other sulfonamide)
    Sources: VMD SPC · VMD
  • Critical
    Do not use in case of severe liver or kidney insufficiency or blood dyscrasia. Do not use in animals with severe liver or renal damage
    Sources: VMD SPC · VMD
  • Critical
    Do not use in case of severe liver or kidney insufficiency or blood dyscrasia.
    Sources: VMD SPC · VMD
  • Critical
    Do not use in case of... blood dyscrasia
    Sources: VMD SPC · VMD
  • Critical
    Do not use trimethoprim/sulfonamide combinations when water intake is reduced or body-fluid loss is present. Maintain adequate hydration during treatment to reduce crystalluria and renal injury.
  • Warning
    Safety during pregnancy and lactation has not been established. Long-term exposure produced fetotoxic effects in laboratory mice; use only after an individual benefit-risk assessment.
  • Warning
    Safety during lactation has not been established. Use only after an individual benefit-risk assessment.
  • Warning (Dog)
    Trimethoprim/sulfonamide treatment can cause keratoconjunctivitis sicca in dogs, particularly during courses longer than 7 days. Perform a baseline Schirmer tear test, repeat it periodically, and stop promptly if tear production falls or ocular discharge develops.
    Sources: ISCAID
  • Warning (Dog)
    Dogs are particularly susceptible to idiosyncratic sulfonamide reactions, including fever, blood dyscrasias, polyarthropathy, skin eruptions, acute hepatopathy, and proteinuria. A breed-associated risk has been proposed in Dobermans, but the evidence is uncertain.
    Sources: ISCAID
  • Caution
    During prolonged trimethoprim/sulfonamide treatment, perform periodic haematology and monitor thyroid function when clinically indicated. High doses can cause reversible hypothyroidism in dogs.
    Sources: ISCAID · MSD Vet Manual

Known Drug Interactions

  • Minor warning Trimethoprim/Sulfonamide + Ganciclovir
    Although systemic exposure after ophthalmic ganciclovir is low, an interaction with trimethoprim/sulfonamide combinations cannot be excluded; additive bone-marrow toxicity is possible.
    Recommendation: Systemic absorption from the eye gel is low; perform haematology monitoring during prolonged combination therapy.
    Sources: Virgan SmPC
  • Minor warning Trimethoprim/Sulfonamide + Procaine Benzylpenicillin
    Procaine (in procaine benzylpenicillin) is an ester of para-aminobenzoic acid (PABA). Like other PABA-ester local anaesthetics such as tetracaine, it can reduce the effect of potentiated sulfonamides, at least locally.
    Recommendation: Account for a reduced sulfonamide effect during concomitant administration.
    Sources: MSD Vet Manual
  • Minor warning Amoxicillin + Trimethoprim/Sulfonamide
    Concurrent use of bactericidal beta-lactam antibiotics and bacteriostatic antimicrobials such as sulfonamides is generally not recommended because their effects may be antagonistic.
    Recommendation: Avoid concomitant administration.

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This reference is still growing. Missing a product? Let us know. · Report an error or request an addition · Updated: 29 Oct 2026

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The dose for the patient's weight, registration in Georgia and controlled status, right on the prescription.

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