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Justin Bieber confirms Lyme disease diagnosis - what is it?

Justin Bieber has Lyme disease. Credit: PA

Singer Justin Bieber has revealed he is suffering from Lyme disease.

The Canadian posted on Instagram to confirm the medical issue following social media speculation he had a drug problem.

"It's been a rough couple years," Bieber said in the post and added he was receiving the right treatment for the issue.

Bieber also stated in the post he is battling a chronic viral infection.

Lyme disease is spread to humans by infected ticks and symptoms can include headaches, muscle and joint pain, tiredness and loss of energy.

  • What causes Lyme disease?

The infection is spread to humans if they are bitten by an infected tick. The tiny spider-like creatures are found in woodland and heath areas throughout the UK and in other parts of Europe and North America.

Not everyone who gets bitten by a tick will be infected with Lyme disease as only a small proportion carry the bacteria which causes the condition. A tick bite can only cause Lyme disease in humans if the tick has already bitten an infected animal.

  • What are the symptoms?

Many people with early symptoms of Lyme disease develop a circular red skin rash around a tick bite, often described as looking like a bullseye on a dart board. The rash can appear up to three months after being bitten and usually lasts for several weeks. Most rashes appear within the first four weeks after being bitten.

Not everyone will get a rash, and some will experience flu-like symptoms in the early stages, such as a high temperature, or feeling hot and shivery, as well as headaches, muscle and joint pain, tiredness and loss of energy.

Lyme disease may be difficult to diagnose as people can have common and unspecific symptoms, like a headache or fever, and they may not notice or remember a tick bite. But if left untreated it can lead to conditions such as meningitis or heart failure.

  • How is it diagnosed and treated?

Anyone who thinks they may have Lyme disease should visit their GP, who can carry out two types of blood test to help confirm or rule it out.

If confirmed, patients will be prescribed a three-week course of antibiotics. Most people will get better, although this can take several months. A small proportion will continue to have symptoms, such as tiredness, aches and loss of energy, which can last for several years.

Bieber wanted to put an end to rumours about a drug problem. Credit: PA
  • What precautions can be taken to prevent it?

The South of England and the Scottish Highlands have been earmarked as high risk areas for Lyme disease. Exmoor, the New Forest and other rural areas of Hampshire, the South Downs, parts of Wiltshire and Berkshire, parts of Surrey and West Sussex, Thetford Forest in Norfolk, the Lake District, the North York Moors and the Scottish Highlands are all known to have a particularly high population of ticks.

Covering up bare skin while walking outdoors, using insect repellent, staying on paths whenever possible, and wearing light-coloured clothing so ticks are easier to spot and brush off are all ways to reduce the risk of being bitten.

  • How common is it?

It is estimated there are 2,000 to 3,000 new cases of Lyme disease in England and Wales each year.

Are there any other celebrities who suffer from it?

Bieber is just one of many famous faces to have gone public with a Lyme disease diagnosis.

His fellow Canadian singer Avril Lavigne revealed in 2015 she had been battling the condition for a year and said she was bedridden for five months.

Avril Lavigne was bedridden with the condition for a year. Credit: PA

Shania Twain has told how the disease left her unable to sing after she was bitten by a tick in 2003 while in the US.

Hollywood star Alec Baldwin said he feared he would die when he was diagnosed with the illness.

Perhaps the most vocal campaigner trying to raise awareness of Lyme disease is the Dutch former model Yolanda Hadid, who said the illness has left her "often wishing to die of utter hopelessness and exhaustion".

Hadid's children, the models Bella and Anwar, are also said to suffer from the condition.