There are many forms of arthritis, and most of them are caused by a fault in the immune system, which makes the body to attack its own joints and tissues.

There are more than 100 types of arthritis. But, the most common types of arthritis are:

• Osteoarthritis

It is caused when joints are over-used. It mostly happens with age, but if a person is obese or has joint injuries, it puts extra stress on the joints. Osteoarthritis mostly affects the spine, feet, and hips.

• Rheumatoid Arthritis

Rheumatoid Arthritis is an auto-immune disease. Symptoms include more than one swollen joint, stiffness and pain in wrists, hands, elbows, knees, ankles, etc. RA causes morning stiffness that lasts for a couple of hours.

• Psoriatic Arthritis

People with Psoriatic Arthritis get inflammation of the skin as well as joints. Around 10 to 30 percent of people with psoriasis get Psoriatic Arthritis. Symptoms include swollen fingers and toes.

• Gout

People with gout have a build-up of uric acid crystals in a joint, mostly in the big toe or any other part of the foot. Symptoms include sharp joint pain in big toe, knees, elbows, wrists, and elbows. People also get inflammation as well as redness around the joint.

• Lupus

It is also called SLE and is an auto-immune disease. Symptoms include swollen and painful joints, headaches, fatigue, mouth sores, hair loss, rashes, and blue or white fingers when exposed to cold temperatures.