Penicillin G
Brands: Crysticillin, Pfizerpen
Penicillin G is a narrow-spectrum antibiotic used to treat bacterial infections in pets.
Used for
- respiratory tract infections
- skin infections
- urinary tract infections
How it is given
- Administration
- injection
- Frequency
- every 6-8 hours
- Duration
- 5-10 days
- Storage
- Store refrigerated at 2-8°C (36-46°F). Protect from light.
- Pregnancy safety
- caution
Always confirm the exact dose with your veterinarian before giving any medicine.
Typical dose ranges
cat
- Standard
- 10,000-20,000 IU/kg every 6-8 hours
dog
- Large dogs
- 10,000-20,000 IU/kg every 6-8 hours
- Small dogs
- 10,000-20,000 IU/kg every 6-8 hours
- Medium dogs
- 10,000-20,000 IU/kg every 6-8 hours
Ranges are reference only. Your vet sets the dose for your pet's weight and condition.
Active ingredients
- Penicillin G
Side effects
Common
- mild diarrhea
- nausea
Rare
- allergic reactions
Severe
- anaphylaxis
Do not use when
- allergy to penicillin
- severe renal impairment
Interacts with
- tetracyclines
- bacteriostatic antibiotics
Warnings
- Do not use in animals with known allergies to penicillin
- Use with caution in pregnant animals
Penicillin G questions
What should I do if I miss a dose?
Administer the missed dose as soon as possible but skip it if it's close to the next scheduled dose.
Can Penicillin G be used in pregnant animals?
Use with caution and only under veterinary supervision.
What are signs of an allergic reaction?
Swelling, difficulty breathing, hives.
How long does a typical treatment last?
Usually 5-10 days, depending on the infection.
Is a prescription required?
Yes, always consult a veterinarian.
Full drug detail
Overview
Penicillin G is a widely used antibiotic in veterinary medicine. It is effective against a variety of bacterial infections in animals, including dogs, cats, horses, and cattle. Always consult a veterinarian before using this medication.
How It Works
Penicillin G works by inhibiting the synthesis of bacterial cell walls, leading to cell death and the subsequent elimination of the infection.
Uses & Indications
Penicillin G is indicated for the treatment of:
- Respiratory tract infections
- Skin infections
- Urinary tract infections
- Soft tissue infections
Dosage Guidelines
Dogs
- Small Dogs: 10,000-20,000 IU/kg every 6-8 hours
- Medium Dogs: 10,000-20,000 IU/kg every 6-8 hours
- Large Dogs: 10,000-20,000 IU/kg every 6-8 hours
Cats
- Standard: 10,000-20,000 IU/kg every 6-8 hours
Administration
Penicillin G is administered via injection. It is crucial to follow the veterinarian’s instructions for dosage and administration.
Side Effects
Common
- Mild diarrhea
- Nausea
Rare
- Allergic reactions
Severe
- Anaphylaxis (requires immediate veterinary attention)
Precautions & Warnings
- Do not use in animals with known allergies to penicillin.
- Use with caution in pregnant animals.
Drug Interactions
- May interact with other antibiotics such as tetracyclines.
- Avoid concurrent use with bacteriostatic antibiotics.
Storage
Store refrigerated at 2-8°C (36-46°F). Protect from light.
FAQ
- What should I do if I miss a dose? Administer the missed dose as soon as possible but skip it if it's close to the next scheduled dose.
- Can Penicillin G be used in pregnant animals? Use with caution and only under veterinary supervision.
- What are signs of an allergic reaction? Swelling, difficulty breathing, hives.
- How long does a typical treatment last? Usually 5-10 days, depending on the infection.
- Is a prescription required? Yes, always consult a veterinarian.