Weight loss in dogs and cats

Weight loss in pets is a common concern and can be caused by a wide range of underlying
health issues. While weight loss can sometimes be intentional (e.g., in overweight pets),
unintentional weight loss warrants veterinary evaluation.
Possible Causes of Weight Loss in Pets
1. Dietary issues:
– Inadequate nutrition or poor appetite
– Food allergies or intolerances
– Malabsorption or digestive disorders
2. Systemic diseases:
– Chronic infections (e.g., parasitic, bacterial, viral)
– Kidney or liver disease
– Diabetes mellitus
– Hyperthyroidism (more common in cats)
– Cancer (neoplasia)
– Heart disease
3. Gastrointestinal problems:
– Inflammatory bowel disease (IBD)
– Gastrointestinal tumors
– Foreign bodies or obstructions
4. Endocrine disorders:
– Addison’s disease
– Hyperthyroidism (cats)
5. Dental disease:
– Painful teeth or gums can reduce food intake
6. Parasitic infestations:
– Internal parasites (worms, protozoa)
– External parasites (fleas, mites)
7. Age-related decline:
– Older pets may have decreased appetite or metabolic changes
Signs to Watch For Alongside Weight Loss
– Changes in appetite (loss or increase)
– Vomiting or diarrhea
– Lethargy or weakness

– Decreased activity or grooming
– Abdominal swelling or pain
– Changes in urination or drinking habits

What to Do if Your Pet Is Losing Weight
– Schedule a veterinary exam promptly
– Provide a detailed history: diet, appetite, behavior, other symptoms
– Diagnostic workup may include blood tests, fecal exams, imaging, and possibly biopsies
– Address underlying health issues with appropriate treatment
– Adjust diet to meet your pet’s needs, possibly with high-quality, easily digestible food or special
therapeutic diets

Prevention & Management
– Feed a balanced, vet-approved diet suitable for your pet’s age and health status
– Regular veterinary check-ups for early disease detection
– Maintain parasite control programs
– Monitor weight and body condition regularly at home

Early diagnosis and intervention are crucial.Unexplained weight loss can be a sign of serious
health problems, so consult your veterinarian promptly for proper evaluation and treatment.