What is it?

Calcium Pyrophosphate Deposition Disease (CPDD), also known as pseudogout, refers to arthirtis which causes stifness, pain and inflammation in joints. The inflammation is caused by calcium crystals deposits. Typically, it affect one joint at a time, more commonly the knee or wrist. Other joints may be affected are the hips, shoulders, elbows, knuckles, toes and ankles. People who are at greater risk include those who suffer from kidney failure, thyoid or parathyroid conditions, low magnesium, disorders that affect calcium, phosphate or iron.

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Additional names

This group contains additional names:
- Pseudogout

Signs & symptoms

Symptoms include sudden and intense joint pain, swelling of the joint, warmth, redness and tenderness in the joint.


Diagnosis is based upon findings from medical history and physical examination. Further evaluation may include aspiration of synovial fluid from the inflamed joint and observation of the fluid under the microscope. Imaging tests may also be done.


Treatment include anti inflammatory medications, such as NSAIDs and colchicine, steroids, and medications such as anakirna and canakinumab.

☝️ This is not a substitute for professional medical advice. Please consult with your physician before making any medical decision.

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