- Increased thirst
- Increased urination
- Weight loss
- Vomiting
- Diarrhea
- Lethargy
- Weakness
- Anemia
- High blood pressure
- Poor appetite
- Bad breath
- Seizures
- Coma
CRF is a serious condition that can ultimately be fatal if left untreated. Early diagnosis and treatment can help to slow the progression of the disease and improve the cat's quality of life.