Veterinary Technician Practice Exam 2026 - Free Veterinary Technician Practice Questions and Study Guide

Feline Panleukopenia is known to cause lethargy and anorexia in felines. This highly contagious viral disease affects the gastrointestinal tract and the bone marrow of cats, leading to a significant decrease in the number of white blood cells, which compromises the immune response. As a result, affected cats often exhibit severe lethargy, decreased appetite, and other clinical signs such as vomiting and diarrhea. The virus can impact the overall health of the cat by making it vulnerable to secondary infections and thereby increasing the severity of signs like lethargy and anorexia.

Feline Calicivirus can also cause lethargy and anorexia, but it is primarily associated with respiratory symptoms and oral ulcers rather than the severe systemic effects seen in Panleukopenia.

Feline Infectious Peritonitis (FIP) can present with lethargy and appetite loss, but this disease typically has a more chronic nature and is linked to a specific strain of the feline coronavirus. The symptoms of FIP can be very diverse and depend on whether the cat exhibits the dry or wet form of the disease.

Feline Leptospirosis is caused by bacteria and while it can cause lethargy and anorexia, it is not as commonly