They have limited means of conserving body heat during cold weather. Some owners even dress them up in pet clothing to aid in warmth.
Because they have no coat, many think that they are hypoallergenic, but quite the opposite is actually the case. A person allergic to cat's may show reactions more severe. The allergen in cat's is actually not the hair, but a protein: Fel d1 found in a cat's saliva & sebaceous glands. Although, there are several different situations whch can make owning a Sphynx Cat more positive for a person allergic to cat's.
They have more ear wax build-up then the average cat due to having little or no hair in their ears to protect from things like dirt & skin oils. This causes the ear wax to build up quicker, requiring their ears to be cleaned more frequently, weekly is suggested, as is cleaning their nails & skin folds, for the same reason.
HEALTH
•Kittens are known to be more susceptible to respiratory infections in the first weeks of life then an average kitten. Because of this, most breeders will not allow a these kittens go to a new home until 12 weeks, this is to ensure the kitten is healthy & adapts well to the environment.
•The lack of fur puts them at a high risk for skin cancer if exposed to sunlight for long periods of time.
•Cases of Hypertrophic Cardiomyopathy have been reported.
PERSONALITY
•High level of energy & intelligence
•Extremely affectionate & lovable
•Their curious nature can put them in situations & places that are dangerous.
•They have a child-like personality.
•Very tolerant of other children, dogs, & other animals.
•Demand the company of a human, small dog, or another cat 24/7.
•Very vocal & involved.
•Very playful.