Stills disease is more common in children although it can be present in adult. Adult Still’s disease is a rare inflammation condition that may lead to chronic arthritis and other medical complications. It is now more commonly termed as Adult-onset Still disease. Adult onset still disease is more common to women than in men.

1. Adult still’s disease symptoms
Fever - intermittent fever that last for a week or longer is experienced usually in the late afternoon or early evening. It usually occurs in two spike fever a day and the temperature in between are usually at normal range.
Rash - rash appears when provoke by rubbing and this rash described as salmon pink in color and is sometimes bumpy or flat usually appear during onset of fever and can be found on trunk, arms and legs.
Painful swollen joints - the joints such as the knees, ankles, wrists, shoulders and hands usually have stiffness. Accompanied by stiffness is pain and swelling in the joints.
Muscle pain - muscle pain exists with fever and also subsides together with the fever although the pain is severe that it can be uncomfortable and hinder daily activities.

2. Children still’s disease symptoms
Limping - a child experience limping usually in the morning due to stiffness in ankle joint
Extreme fatigue - it usually occur with onset of fever
Fever spike - occurs daily at 39C or even higher and return to normal temperature rapidly. The fevers usually happen approximately the same time every day.
Rash - salmon-pink colored rash appears although not itchy