Severe Dehydration
Overview
Dehydration occurs when cats lose more fluids than they consume. Because cats naturally have low thirst drive, this can escalate quickly.
Severe dehydration leads to kidney failure and shock.
Symptoms
- Sunken eyes
- Dry gums
- Lethargy
- Skin “tenting”
- Rapid heart rate
- Weakness
Causes
- Vomiting or diarrhea
- Kidney disease
- Heat exposure
- Not drinking enough water
- Chronic illness
Treatment
- IV fluid therapy (preferred)
- Subcutaneous fluids (mild cases)
- Electrolyte correction
- Treat underlying cause
When to See a Vet
👉 Same day if moderate, immediately if severe.
Prevention
- Wet food diet
- Water fountains
- Monitor senior cats closely
References
- Merck Veterinary Manual
- Cornell Feline Health