Cat FIP Types
Four Clinical Presentations at a GlanceWet FIP
Abdominal or Chest Fluid · Rapid Onset · Most Common Type
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Dry FIP
Granulomas · Slow Progression · Often Misdiagnosed
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Ocular FIP
Uveitis · Abnormal Pupils · Decreased Vision
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Neurologic FIP
Ataxia · Seizures · Abnormal Gait
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Information on FIP clinical types is based on guidance from:
Cornell University Veterinary Medicine · Merck Veterinary Manual · VCA Animal Hospitals · ISFM · AAFP
Cornell University Veterinary Medicine · Merck Veterinary Manual · VCA Animal Hospitals · ISFM · AAFP
Common FIP Symptoms in Cats
If you notice the following signs, seek veterinary evaluation as early as possible.Recurrent Fever
Fluctuating body temperature · Fever returns after temporary improvement
Sudden Weight Loss
Rapid weight decrease · Noticeable muscle wasting
Anemia or Jaundice
Pale gums · Yellowing of the skin or eyes
Abdominal Enlargement
Fluid accumulation in the abdomen or chest · Breathing difficulty
Loss of Appetite
Reduced food intake · Low energy or lethargy
Abnormal Walking or Coordination
Unsteady gait · Tremors or loss of coordination
Symptom information is referenced from:
Cornell Veterinary Medicine · Merck Veterinary Manual · VCA Animal Hospitals · ISFM · AAFP
Cornell Veterinary Medicine · Merck Veterinary Manual · VCA Animal Hospitals · ISFM · AAFP
FIP Diagnostic Workflow
From initial suspicion to clinical assessment — step-by-step evaluation for greater clarity.01
Baseline Monitoring
Body temperature · Body weight · Appetite and activity
02
Blood Tests
CBC · Total Protein (TP) · A/G Ratio · Liver and kidney markers
03
Imaging Studies
Ultrasound / X-ray: abdominal or chest fluid, lymph nodes, organ changes
04
Abdominal / Pleural Fluid Analysis
Appearance · Protein level · Cytology · Rivalta test and supportive indicators
05
Differential Diagnosis
Distinguishing from tumors, liver or kidney disease, and other infections
06
Integrated Clinical Assessment
Combining clinical signs and test results to reach a more reliable conclusion
Note: This content is for educational reference only and does not replace professional veterinary judgment.
FIP Medication Guide
