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Why does King Charles III have swollen fingers?

Photos of His Majesty's 'swollen' digits have sparked concerned comments - find out more

King Charles III's and a close up of his hands
Georgia Brown
Senior Lifestyle & Fashion Writer
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Fingers may not immediately spring to mind when you think of King Charles III, but surprisingly, Queen Elizabeth II's son's digits have always caused quite a stir among royal fans.

Speculation about the monarch's fingers was ignited in 2021 when a photograph of him pulling a pint of beer during an engagement in South London gave fans a glimpse at his swollen hands. Taking to Twitter, one fan wrote: "I've never noticed the hands of Prince Charles until this photo! Is he ok? They are so swollen."

WATCH: King Charles III's swollen fingers spark concern as he pulls pint

The King - who announced his cancer diagnosis in February 2023 - has taken a lighthearted approach to his hands' condition in the past, having jokingly referred to himself as having "sausage fingers" in a letter to a friend after his son, William, the Prince of Wales, was born.

He wrote: "I can't tell you how excited and proud I am. He really does look surprisingly appetising and has sausage fingers just like mine," as quoted in the biography Charles, The Man Who Will Be King by Howard Hodgson.

In fact, King Charles III's fingers and hands have since become some of the most Googled terms for the royal in the UK - but what is the cause for the apparent inflammation?

Why are His Royal Highness' fingers so big?

His Majesty's swollen fingers could be for a number of reasons, from temporary fluid retention due to a sudden change in temperature to arthritis. Other causes of a "sausage" like finger can be high blood pressure, or even having a diet that is high in salt.

prince charles swollen
The royal has made light of his swollen fingers in the past

Arthritis is a disease that affects the tissues of your joints. The chronic inflammatory disease causes the joint lining to swell, causing pain, stiffness and loss of function.

According to the NHS, other symptoms can include warm red skin over the affected joint as well as weakness and muscle wasting. There is no cure for arthritis, though medication and physiotherapy can help alleviate the symptoms.

Though it's not confirmed that the King suffers from a form of arthritis, other royal fans have noticed his hands appear particularly swollen when he travels abroad to warmer climates.

prince charles wembley
The royal may suffer from an inflammatory joint condition

According to Cornwall Live, King Charles III himself is reported to have also referred to his enlarged digits during a trip to Australia in 2012, dubbing them his "sausage fingers" after hours of flying to the tropical climate.

The symptom of "sausage fingers" is actually linked to Dactylitis, a secondary disease that can be caused by a number of conditions and infections, most commonly psoriatic arthritis.

Many royal fans may be questioning whether his fingers are any indication of his recent cancer diagnosis, which Charles announced in February 2023. Buckingham Palace confirmed that doctors noted a "separate issue of concern" when the King had gone into hospital for treatment for an enlarged prostate in January. Although the specific kind of cancer has not been revealed, Buckingham Palace confirmed that it wasn't prostate cancer.

Finger clubbing can be a symptom of lung cancer, while cancer treatment can cause lymphedema which is swelling in the arms, hands or legs. Charles has started "a schedule of regular treatments" but it's unlikely his fingers are a result of his recent cancer diagnosis or treatment since they predate the health matter by several years. 

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