Antibiotics: Penicillin For Dogs

Learn about penicillin for dogs, its dosage, side effects and safety precautions for proper use of this antibiotic.

Penicillin is a well-known antibiotic medicine, and, since its discovery has practically changed the world. Every day we enjoy the benefits of this medicine which can cure numerous bacterial infections, but what about our dogs? Vets often prescribe penicillin for dogs for the treatment of bacterial infections including UTI, as well as kidney and lung infections. Some pets may be allergic to penicillin and will have to use an alternative antibiotic such as Simplicef (cefpodoxime).

Penicillin dosage for dogs

You should not give penicillin to your dog unless directed to do so by a vet. The vet will provide you with a dosage appropriate for the treatment of your pet’s symptoms, which may be altered depending on your dog’s medical history, weight and breed. A typical dosage for the injectable form is 0.1 ml of penicillin for every pound your dog weighs.

Is penicillin safe for dogs?

Penicillin is safe for use in some dogs, but because of the risk of allergy the owner must take care, particularly if the dog has never taken this medicine before. If no allergy is present, serious side effects are highly unlikely.

Safety precautions:

  • Do not administer penicillin to your dog without a prescription from your vet
  • Do not administer to dogs with a known allergy to penicillin-based medicine
  • Disclose any medical conditions your pet suffers with to your vet
  • Disclose the names of any other medication your pet is taking

The vet will administer the intramuscular injection to your dog at an appropriate dosage (around 0.1 ml/lb). Watch out for allergic reactions, side effects of which includes a difficulty breathing, swelling, rashes, and a rapid/irregular heartbeat. Allergic reactions to penicillin are to be considered emergency cases, and as such you should seek immediate attention from a vet.

Uses of penicillin for dogs

Penicillin is an antibiotic and is used to treat:

  • Bacterial infections
  • Skin infections

Particular urinary tract infections, and infections of vital organs such as the lungs or kidneys. The topical form of the medicine is often used for the treatment of skin infections.

Side effects when giving penicillin to your dog

Although unlikely, an allergy to the substance is possible and such reactions are to be considered an emergency. Seek immediate veterinary attention if your pet begins to struggle breathing, or develops signs such as rashes, swelling and a raised heart rate.

Other side effects which are less severe but still warrant telling the vet includes digestive issues (vomiting, diarrhea and flatulence). In extremely rare circumstances a fungal infection may develop.

Information about penicillin
Simplicef for dogs allergic to penicillin