What Is Cat Scratch Fever?

Cat scratch fever, additionally known as cat scratch illness (CSD), is a bacterial an infection. The illness will get its identify as a result of folks contract it from cats contaminated with Bartonella henselae micro organism, one of the vital widespread micro organism on this planet.

What Causes Cat Scratch Fever?

Cat Scratch Fever: Causes, Signs & Prognosis - Healthline

You will get cat scratch fever from a chunk or scratch from an contaminated cat. You too can get the illness if saliva from an contaminated cat will get into an open wound in your physique or touches the whites of your eyes.

Who Is at Threat for Cat Scratch Fever?

Who Is at Risk for Cat Scratch Fever?

Anybody who owns a cat or interacts with a cat is in danger for contracting cat scratch fever. You could have an elevated threat of turning into critically ailing from cat scratch fever when you have a weakened immune system.

What Are the Signs of Cat Scratch Fever?

What Are the Signs of Cat Scratch Fever?

Feline Signs

Cats can carry Bartonella however they don’t typically get sick from the micro organism, so you’ll be able to’t all the time inform if they’re carriers. It’s believed that cats contract Bartonella henselae from contaminated fleas, however there’s no proof that people can contract the micro organism instantly from fleas. Based on the Facilities for Illness Management and Prevention, as much as 40 p.c of cats carry the micro organism at a while of their lives, mostly when they’re kittens. Your veterinarian can take a look at your cat to see if it’s carrying the micro organism, however cats have a tendency to hold the micro organism just for a short while. Therapy isn’t normally advisable.

Human Signs

Widespread signs of cat scratch fever embody:

  • a bump or blister on the chunk or scratch web site
  • swollen lymph nodes close to the chunk or scratch web site
  • fatigue
  • complications
  • a low-grade fever

Much less widespread signs of cat scratch fever embody:

  • lack of urge for food
  • weight reduction
  • sore throat

How Is Cat Scratch Fever Recognized?

How Is Cat Scratch Fever Recognized?

In case your physician believes you’ll have cat scratch fever, they’ll carry out a bodily examination to see when you have an enlarged spleen (an organ above your abdomen). Cat scratch fever is tough to diagnose from the signs alone. Docs could make an correct prognosis by performing an oblique fluorescent antibody (IFA) blood take a look at to see if the Bartonella henselae micro organism are current in your physique. On this take a look at, antibodies which might be labeled with dye will connect to current antibodies of Bartonella (typically known as anti-antibodies) and “mild up” through the take a look at.

What Are the Problems from Cat Scratch Fever?

What Are the Problems from Cat Scratch Fever?

There are a selection of potential problems from cat scratch fever.


Encephalopathy is a mind illness that may happen when the micro organism answerable for cat scratch fever unfold to the mind. In some instances, encephalopathy leads to everlasting mind harm or loss of life.


Neuroretinitis is an irritation of the optic nerve and retina within the eye that causes blurred imaginative and prescient. The irritation can happen when the micro organism answerable for cat scratch fever travels to the attention, inflicting impaired imaginative and prescient. Imaginative and prescient normally returns to regular after the an infection is gone.


Osteomyelitis is a bacterial an infection within the bones, which may end up in bone harm. In some instances, the bone harm is so extreme that amputation is important.

Parinaud Oculoglandular Syndrome

Parinaud oculoglandular syndrome is an eye fixed an infection that produces signs just like pink eye. Cat scratch fever is likely one of the most typical causes of the syndrome. Parinaud oculoglandular syndrome may be as a consequence of Bartonella henselae coming into the attention instantly, or by the micro organism touring by the bloodstream to the attention. The syndrome normally responds properly to antibiotic therapy. In uncommon instances, surgical procedure is important to take away contaminated tissues from the attention.

How Is Cat Scratch Fever Handled?

How Is Cat Scratch Fever Handled?

Cat scratch fever normally isn’t severe and usually doesn’t require therapy. Antibiotics deal with severe instances of cat scratch fever and individuals who have weakened immune techniques from circumstances reminiscent of HIV or AIDS.

How Can Cat Scratch Fever Be Prevented?

How Can Cat Scratch Fever Be Prevented?

You may forestall cat scratch fever by avoiding contact with cats. In case you have a cat, you’ll be able to scale back your threat of getting cat scratch fever by avoiding tough play that would result in you being scratched or bitten. Washing your arms after taking part in together with your cat may additionally assist forestall the illness. Preserve your cat indoors and administer anti-flea remedy to scale back the chance of your cat contracting Bartonella henselae.

What Can I Anticipate within the Lengthy Time period?

What Can I Anticipate within the Lengthy Time period?

Most individuals get higher with out therapy, and people who do want therapy typically get higher with antibiotics. In some instances, folks develop severe problems from the micro organism. These problems usually tend to happen in individuals who have compromised immune techniques.