How is psoriatic arthritis different from osteoarthritis?

Psoriatic arthritis and osteoarthritis are types of arthritis. Psoriatic arthritis is an autoimmune disorder that happens to some people who have psoriasis. Osteoarthritis is a degenerative condition that occurs when the cartilage at the end of the bone wears away.

Arthritis is a term used to describe over 100 conditions that cause joint pain or joint damage. Osteoarthritis (OA) is the most common type of arthritis, affecting over 30 million Americans.

Psoriatic arthritis (PsA) and OA share some common symptoms, but there are also some key differences between the conditions.

What are the symptoms?

Symptoms of each include:

Psoriatic arthritis symptoms

People with PsA may have:

·         painful, swollen joints

·         stiffness (especially after rest)

·         sausage-like fingers and toes

·         pain in the tendons and ligaments

·         fatigue

·         thick, red, and scaly patches of skin

·         nail changes

·         reduced range of motion

·         red, irritated eyes

·         vision problems

Symptoms of PsA typically affect the:

·         ankles

·         fingers

·         knees

·         lower back

·         toes

Osteoarthritis symptoms

Symptoms of OA vary and depend on the part of the body that is affected. OA symptoms generally include:

·         painful and stiff joints (especially after rest or overuse)

·         swollen joints

·         reduced range of motion (that improves with movement)

·         a clicking noise when a joint bends

·         noticeable bony lumps near the affected joints

·         changes in joint shape

OA can affect any joint but most commonly occurs in the:

·         fingers

·         hips

·         knees

·         lower back

·         neck

·         toes

Source: Medical News Today