how much penicillin to give a 5 pound cat

In dogs and cats, the typical dose of penicillin G ranges from 10,000 to 25,000 units per pound (20,000 to 50,000 units/kg) two to six times a day. The duration of administration depends on the condition being treated, response to the medication and the development of any adverse effects.

Procaine Penicillin GThis treatment applies to the following species:

how much penicillin to give a 5 pound cat

Aqueous Suspension


Penicillin G Procaine in a sterile aqueous suspension for the treatment of illnesses in cattle and poultry brought on by penicillin-sensitive organisms

Penicillin Possible Side Effects

Like all other antibiotics, penicillin can cause gastrointestinal side effects:

  • Vomiting
  • Diarrhea
  • Loss of appetite

Penicillin allergies in animals are rare but can happen. Symptoms may include:

  • Skin rashes
  • Fever
  • Collapse
  • Difficulty breathing

Horses, rabbits, guinea pigs, gerbils, hamsters, and chinchillas should not be given Penicillin V orally since these animals can develop potentially fatal diarrhea.

Human Side Effects

Penicillin is also a prescription drug for humans, often with different dosages and side effects than what a veterinarian would prescribe for your pet. In the event that a pet medication is inadvertently consumed, contact your doctor or the 800-222-1222 national Poison Control Center hotline.

If you have a penicillin allergy, discuss using a different medication with your veterinarian or make sure you wear gloves whenever handling this medication.

Call Your Vet If:

  • Severe side effects are seen (see above)
  • Your pet’s condition worsens or does not improve with treatment
  • You see or suspect an overdose
  • You have more queries or worries regarding taking penicillin.

An overdose of penicillin is unlikely to cause toxicity. Penicillin may cause vomiting, diarrhea, and decreased appetite. Excessive dosages and extended usage of penicillin may result in seizures, dyspnea, dyspnea breathing, retention of fluid, and an accelerated heartbeat.

Penicillin allergies in pets are rare but can happen. Skin reactions, watery eyes, hives (urticaria), facial swelling, vomiting, diarrhea, and anaphylaxis are symptoms of an allergic reaction.

Call an animal poison control center, seek emergency veterinary care, or get in touch with your veterinarian right away if you think there may have been an overdose. Consultation fees often apply.

The recommended storage temperature range for penicillin tablets and powders is 68–77 F. After 14 days, the reconstituted penicillin suspension needs to be thrown out and kept in the refrigerator. Always confirm storage requirements by reading the label.

To keep the penicillin safe from light and moisture, keep the container tightly closed.

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How many mL of penicillin per pound?

What is the FDA approved label dose for penicillin G procaine? The FDA approved label for penicillin specifies a dose of 1ml/100 pounds of bodyweight, administered once a day, in the muscle (IM) with no more than 10ml per injection site.

Can you give too much penicillin to a cat?

If you accidentally give your cat more antibiotics than your vet has told you to, it can make your cat unwell. While it’s rare for a second dose of antibiotics to cause any serious harm, it’s better to be safe than sorry, so talk to your vet.

Can I give my cat human penicillin?

Only give your cat antibiotics which have been prescribed for them by a vet. Don’t give human antibiotics to your cat. Medicine that helps humans can be poisonous to cats. Sometimes vets will treat cats with a human antibiotic or one that’s usually used for other species.

How much amoxicillin do I give my 5 lb cat?

Cats: The recommended dosage is 50 mg (5–10 mg/lb) once a day. Dosage should be continued for 5–7 days or 48 hours after all symptoms have subsided.