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Cat Scratch Fever in Dogs
What is Cat Scratch Fever?
When a dog is bitten by fleas, sand flies, or lice, bacteria enters the blood and results in cat scratch fever. Bartonella will invade and damage cells, causing your companion to become ill. If your dog appears to be suffering from malaise and is lethargic or depressed, you may want to take him to the veterinarian as soon as possible. Weight loss and appetite reduction may be apparent as well, though some dogs may not reveal the clinical signs associated with this condition. Because of this, any small sign of your pet being unwell means a veterinarian visit is necessary. An illness, even though it may seem mild, can escalate and lead to serious complications for your pet.
Dogs who spend a lot of time outdoors, who live in rural areas, or who like to roam in fields or along the water’s edge can be exposed to sand flies, ticks, fleas and lice on a regular basis.
Dogs are infected by the Bartonella spp bacteria through fleas, ticks, lice and sand flies. This zoonotic disease can be transmitted from dog to pet owner.
Symptoms of Cat Scratch Fever in Dogs
Some canines may not exhibit clinical signs of catch scratch fever. Some of the subtle signs may be fever, weakness and enlarged lymph nodes. Symptoms that can be more obvious are:
- Loss of appetite
- Lethargic behavior
- Bloody nose
- Diarrhea
- Coughing and vomiting
- Lameness
- Nasal discharge
Types
Dogs can be adversely affected by five species of the Bartonella disease, which includes:
- B. henselae
- B. elizabethae
- B. vinsonii subspecies berkhoffi
- B. washoensis
- B. clarridgeiae
Causes of Cat Scratch Fever in Dogs
Bartonellosis or cat scratch fever is a condition resulting from Bartonella, the bacteria associated with the disease. Bartonella has various subspecies and with each of them there are different symptoms. The endothelial and red blood cells are affected in most dogs.
Some of the causes include:
- Tick and flea infestation in the past
- Exposure to lice, flea, sand flies and lice
- Infection of Bacterium Bartonella
- Rural or stray living environment
Diagnosis of Cat Scratch Fever in Dogs
For a diagnosis, the veterinarian will conduct a series of tests and complete examination. Clinical signs such as bleeding from the nose and coughing accompanied by vomiting will indicate a serious illness. Further diagnostic testing may be suggested and will include:
- Blood count
- Urinalysis
- Blood culture
- Serology
- Biochemistry profile
The veterinary team will be looking for markers specific to catch scratch fever such as liver enzyme levels, protein concentration, and white blood cell count.
Treatment of Cat Scratch Fever in Dogs
The symptoms will determine the level of treatment or whether your dog needs antibiotics or not. If your dog shows the clinical symptoms of this condition, then antibiotics may be necessary, in addition to supportive care. The veterinary specialist will often administer antibiotics for four to six weeks. If the dog’s internal organs or blood have been seriously affected, hospitalization might be the recourse for long-term supportive care with lower doses of antibiotics to avoid relapse. Effective antibiotics include:
- Doxycycline
- Erythromycin
- Ciprofloxacin
- Azithromycin
- Clarithromycin
- Rifampin
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Recovery of Cat Scratch Fever in Dogs
Bartonellosis requires professional in-office care. Once your pet is on the mend, you can administer preventative care at home by making sure to maintain good hygiene. If you see your dog with scratches or bites, make sure you wash the area. Under the direction of your veterinary caregiver, maintain thorough flea control and use veterinary prescribed products that target ticks, lice and fleas.
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