You notice your large cat has been hiding more than usual and seems less interested in its favorite perch. While subtle, these changes can be early signs of illness that require attention. Our editorial team has gathered key indicators to help you recognize when your large cat may be unwell.
Large cats, such as Maine Coons, Norwegian Forest Cats, and Savannahs, have unique health considerations due to their size and genetics. Being alert to specific symptoms can make a significant difference in their wellbeing.
Behavioral Changes as Early Warning Signs
Large cats are often stoic, but changes in behavior are among the first indicators of illness. If your normally sociable cat becomes withdrawn or aggressive, it may be in pain. Hiding in unusual places, reduced grooming, or reluctance to jump onto high surfaces (a common behavior in large breeds) can signal joint pain or other issues.
Increased vocalization, especially if it sounds distressed, may indicate discomfort. Conversely, a normally vocal cat that goes quiet could be lethargic or depressed. Pay attention to shifts in sleeping patterns; excessive sleep or restlessness can both be red flags.
Appetite and Weight Fluctuations
Large cats have hearty appetites, so a sudden loss of interest in food is concerning. Conversely, increased thirst and urination can signal diabetes or kidney disease, which are more common in certain large breeds like the Maine Coon. Weight loss despite a normal appetite may indicate hyperthyroidism or digestive issues.
Monitor your cat’s eating habits closely. Vomiting undigested food or hairballs more than once a week can indicate gastrointestinal problems. Large cats are prone to certain digestive sensitivities, so any change in stool consistency or frequency warrants a vet visit.
Physical Symptoms Specific to Large Breeds
Hip dysplasia and arthritis are common in large cats, causing stiffness, limping, or difficulty using the litter box. Watch for a bunny-hopping gait or reluctance to squat. Also, large cats are more prone to hypertrophic cardiomyopathy, a heart condition that can cause rapid breathing, lethargy, or sudden collapse.
Check for nasal discharge, sneezing, or eye discharge, which could indicate respiratory infections. Large cats with flat faces, like some Exotic Shorthairs, may have breathing difficulties. Skin issues, such as hair loss or dandruff, can be signs of allergies or parasites.
Litter Box and Urinary Changes
Urinary tract issues are serious in large cats. Straining to urinate, blood in urine, or urinating outside the box can indicate a blockage or infection, especially in male cats. Large breeds may have difficulty entering boxes with high sides, so note any accidents near the box.
Diarrhea or constipation lasting more than 24 hours requires attention. Large cats can become dehydrated quickly if they have diarrhea. Also, an increase in urine volume could signal kidney disease or diabetes. Always consult a veterinarian for any persistent changes.