Sudden weight loss can indicate serious medical issues. If your cat loses over 10% of their body weight in a short time without diet changes, it’s time to visit the vet.
Pro Tip: Cats that go without food for more than 24–48 hours risk hepatic lipidosis — a potentially fatal liver disease.
Treatment: Steroids, hypoallergenic diet
Not sure what to feed your cat during recovery?
Read our Ultimate Cat Food Guide for vet-approved picks and diet
Treatment: Steroids, hypoallergenic diet
Learn more about feline diagnostics on PetMD.
Tools like ultrasound and lab testing are often powered by Zoetis Pet Care.
| Condition | Treatment Plan |
|---|---|
| Hyperthyroidism | Methimazole, radioactive iodine |
| Diabetes | Insulin, prescription low-carb diet |
| CKD | Kidney support food, fluids |
| Parasites | Deworming meds |
| GI Disorders | Hypoallergenic diet, steroids |
| Dental Issues | Extraction, cleaning |
| Cancer | Chemo, surgery, pain relief |
| Stress/Anxiety | Feliway, calming routines |
Related: Best Wet Food for GI Issues
Take your cat to the vet if they:
Sudden weight loss in cats shouldn’t be ignored. It’s usually a symptom of an underlying health condition — many of which are treatable if caught early. Be proactive with diet, vet visits, and watch for signs.Also read: Ultimate Cat Food Guide
Why Is My Cat Losing Weight Suddenly? 10 Common Causes and What You Should Do table of content Is Sudden Weight Loss in Cats Serious? Sudden weight loss can indicate serious medical issues. If your cat loses over 10% of their body weight in a short time without diet changes,
