Sudden changes in a cat’s behavior, such as increased water consumption and litter box issues, may indicate underlying medical problems and warrant veterinary attention, experts say.

Inquiries from pet owners highlight that noticeable shifts in companion animals’ habits, including that strong ammonia odor around litter areas or frequent urination outside the box, often signal health concerns, particularly in aging cats. Veterinarians advise that increased thirst and urination can be symptoms of conditions like kidney disease, diabetes, hyperthyroidism, urinary tract infections, or bladder stones.

Cat owners are encouraged to monitor their pets closely to determine which animal may be affected, especially in multi-cat households. Using a camera to observe water intake or litter box behavior can help identify the source of changes. Additionally, ensuring there are enough litter boxes—ideally one more than the number of cats—and maintaining a clean, accessible setup is important. Enzymatic cleaners formulated for cat urine are recommended for removing odors that conventional cleaning products cannot eliminate.

Signs of a urinary emergency that require immediate veterinary care include frequent attempts to urinate with little success, straining, excessive grooming, or vocalizing in the litter box. Aging cats may alter their urination posture, necessitating litter boxes with low entrances and high sides to accommodate their needs and minimize messes.

If medical issues are ruled out, behavioral factors such as stress or territorial marking may contribute to the problem. In such cases, the use of feline pheromone diffusers or collars can help ease tension in multi-cat environments.

Separately, pet experts note that dogs may exhibit anxiety related to car travel, even without prior traumatic experiences. Symptoms such as trembling, rigid posture, drooling, and distress during rides may be signs of motion sickness or fear. In these situations, veterinarians may suggest anti-nausea or anti-anxiety medications, ideally tested on short trips before long journeys.

Behavioral training to desensitize dogs to car rides involves gradual exposure, starting from approaching the stationary vehicle to short drives around the block, with rewards used to reinforce positive associations. Patience and careful progression can help reduce travel-related stress.

Owners observing sudden behavioral changes in their pets are urged to consult a veterinarian promptly to ensure proper diagnosis and treatment, as well as to avoid potential emergencies.