An inflammation of joints caused by the deposition of calcium crystals. Often mistaken for gout, this is a debilitating and painful condition.

A condition in which the external genital organs appear to be those of one sex while internal organs are of the other

Muscular enlargement through deposition of fat rather than muscle fibre.

A species of rod-like bacteria that live in soil and decomposing matter.

Loss of muscle strength and control.

The name given to a group of rare connective tissue disorders that affect elastic tissues of the skin, blood vessels and eyes.

A chronic skin disease causing red, scaly patches that may be intensely itchy. It is sometimes associated with arthritis (psoriatic arthritis).

Inflammation in and around the joints, and which usually affects people who have psoriasis.

A type of inflammatory arthritis which accompanies psoriasis.

A type of inflammatory arthritis which accompanies psoriasis.

A specialist in the management of mental health conditions.

Caused by psychological or emotional problems.

A severe mental disorder in which the person affected loses contact with reality.

Relating to psychological and social factors.

Relating to psychosis.

parathyroid hormone

Drooping of the upper eyelid, possibly due to injury or disease.

Post-traumatic stress disorder.

peptic ulcer

Obstruction of the pulmonary artery by a blood clot.

Abnormal accumulation of fluid round the lungs.

A painless, non-invasive test involving a small gadget clipped to a finger tip that measures the amount of oxygen in the blood

pyrexia of unknown origin

The circular opening in the centre of the coloured part of the eye.