Arthritis is a broad term that refers to the inflammation of joints resulting in joint pain, swelling, stiffness and limited range of motion.
There are more than 100 types of arthritis with different causes and treatments, most commonly being,
Ankylosing Spondylitis
Gout
Juvenile Idiopathic Arthritis
Osteoarthritis
Rheumatoid Arthritis
The most commonly affected joints are:
Hands (ends of the fingers and at the base and ends of the thumbs).
Knees.
Hips.
Neck.
Lower back.
In some types, other organs, such as your eyes, heart, or skin, can also be affected.