Cat Feline Infectious Anemia: Mycoplasma Treatment

Feline infectious anemia caused by Mycoplasma haemofelis is a treatable tick-associated hemolytic condition requiring prompt diagnosis.

Key Facts

Mycoplasma haemofelis parasitizes red blood cells causing immune-mediated hemolytic anemia in cats
Transmission occurs through cat bites, fleas, and possibly ticks - flea control reduces infection risk
Clinical signs include lethargy, pale gums, fever, and anemia varying from mild to life-threatening
PCR testing detects organism DNA in blood with greater sensitivity than blood smear examination
Doxycycline for 28 days is the treatment of choice with most cats responding well
Blood transfusion and supportive care may be needed during the acute phase for severely anemic cats
Many cats become chronic carriers without ongoing illness after treatment

Welfare Considerations

Acute mycoplasma hemolytic anemia causes weakness, breathlessness, and cardiovascular compromise from severe anemia. The condition requires rapid diagnosis and treatment - delay significantly worsens outcomes. Many cats respond dramatically to doxycycline within days, showing rapid clinical improvement. Welfare requires prompt veterinary attention for any cat showing acute lethargy and pallor, with appropriate supportive care during recovery from severe anemia.

What You Can Do

Implement strict flea control for cats as fleas are a primary transmission vector for Mycoplasma haemofelis
Seek emergency veterinary evaluation for cats showing sudden lethargy and pale or white gums
Request PCR testing for Mycoplasma when hemolytic anemia is suspected in cats
Follow the complete doxycycline treatment course even after clinical improvement
Monitor for relapse signs after treatment - chronic carriers may experience subsequent clinical episodes
Manage multi-cat households carefully as cat bites between cats can transmit infection