To date, no cause of Kawasaki Disease has been identified. At the present time there is no evidence that the disease is contagious. Fever and irritability often occur first. Lymph nodes in the neck may become swollen. Often vivid red in appearance, the rash is composed of either poorly defined spots of various sizes or larger masses of merging spots.
Fever continues to rise and fall, possibly for up to three weeks.
The lips become dry and cracked and often take on a bright red color. Mucous membranes of the mouth turn a darker red than usual. The palms of the hands and soles of the feet often turn bright red. Hands and feet can swell. Occasionally, a child may develop a stiff neck.