People and pets routinely died from infections before penicillin, the first antibiotic, was introduced in the first half of the 20th century. Today, veterinarians use antibiotics to treat many typ ...View Article
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A cat that urinates inappropriately could have a number of conditions associated with the behavior, including bladder stones or crystals, kidney disease, urinary tract infection, and diabetes mellitus. It can also be a sign of arthritis, which makes it uncomfortable for cats to position themselves in the litter box.
Cats are social animals, so changes in interactions with humans or pets can signal disease, fear, anxiety, or pain.
A decrease in activity is often a sign of arthritis or systemic illness while an increase in activity can be caused by hyperthyroidism.
If your cat is sleeping more than normal (keep in mind that average adult cats may sleep 16 to 18 hours a day―though much of that is "catnapping"), it could be a sign of an underlying disease.
Most cats are not finicky eaters. Decreased food intake can be a sign of several disorders, ranging from poor dental health to cancer. Increased food consumption can be caused by diabetes mellitus, hyperthyroidism, or other health problems.
Sudden weight loss can be a sign of hyperthyroidism, diabetes mellitus, or a host of other diseases. Obesity, on the other hand, can cause an increased risk of diabetes mellitus, joint disease, and other problems.
Patches of hair loss or a greasy or matted appearance can signal an underlying disease.
Cats who have difficulty grooming often may suffer from fear, anxiety, obesity, or other illnesses. An increase in grooming may signal a skin problem or parasites.
Stressed cats may exhibit signs of depression, hide more, or spend more time awake and scanning their environment. These signs may indicate a medical condition, so it's important to rule out physical ailments before addressing the stress behaviorally.
An increase in vocalization or howling is often seen with an underlying condition like hyperthyroidism or high blood pressure. Many cats also vocalize more if they're in pain or anxious.
Bad breath is an early indicator of an oral problem―studies have shown that 70 percent of cats have gum disease as early as age 3.