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bursitis.jpg
07/Dec/2022

If you’ve ever had bursitis, you know how painful it can be. I had the displeasure of experiencing it several years ago when I slipped in the bathroom and fell heavily. Unfortunately, my shoulder took the full brunt of the fall 😫. I honestly thought I’d broken a bone; it was so painful! But after seeing my doctor, it turns out I had bursitis. And so began several weeks of ice packs, rest and gentle exercise. The good news is that my shoulder recovered completely. But I realised that although I’d heard of bursitis, I didn’t know what this common, painful condition was.

So let’s look at bursitis – what it is, what causes it (apart from falls 😉) and what are the treatment options.

What is bursitis?

Simply put, bursitis is the inflammation of a bursa. A bursa (plural bursae) is a small fluid-filled sac that cushions your bones and soft tissues (muscles, tendons and skin) in and around your joint.

They reduce friction between moving parts (e.g. between a bone and a tendon), enabling them to move smoothly over each other.

When a bursa becomes irritated or inflamed, it fills up with excess fluid. This causes pain and restricts movement.

What causes bursitis?

Bursitis can develop quickly (acute bursitis) or more slowly (chronic bursitis). Common causes include:

  • injury, e.g. having a fall and landing hard on your shoulder or hip
  • overusing a joint, especially if the movements are repetitive, e.g. typing, playing tennis
  • prolonged pressure, e.g. kneeling for long periods while laying carpet or scrubbing floors
  • joint stress, e.g. from being overweight or having an uneven walk (gait)
  • other health conditions, e.g. rheumatoid arthritis, gout, diabetes
  • infection, e.g. if a joint is injured and bacteria enter the bursa.

What are the symptoms of bursitis?

The signs and symptoms of bursitis include:

  • pain, especially when moving the joint
  • joint stiffness and swelling
  • restricted movement of the joint
  • warmth and reddening of the skin in the affected area.

The joints most commonly affected are the shoulder, elbow, hip, knee and heel.

How is it diagnosed?

If you have a painful, swollen joint or you’re finding it difficult to move a joint, it’s important that you discuss your symptoms with your doctor. Getting a diagnosis as soon as possible means that treatment can begin immediately.

To diagnose your condition, your doctor will:

  • Take your medical history and ask about your symptoms, recent injuries, the work you do, and other health issues.
  • Do a physical examination and look for redness and swelling in and around the joint, and test your joint’s range of movement.

If your doctor thinks your bursa is infected, they may remove a sample of fluid from your bursa. This will be examined under a microscope for signs of infection.

Scans such as x-rays and ultrasounds are usually unnecessary; however, your doctor may send you for a scan to rule out the possibility of another condition.

How is bursitis treated?

Some people can manage the pain, inflammation and stiffness of bursitis with self-care, such as cold packs, rest and gentle exercise. However, other people will require medical treatment to manage.

In this case, your doctor may recommend using over-the-counter non-steroidal anti-inflammatories (NSAIDs). They can be taken as a tablet (orally) or applied directly to the skin (topically) as a cream or gel. In cases of severe pain, your doctor may prescribe stronger anti-inflammatory medicines or inject a corticosteroid into the bursa.

You may also see a physiotherapist or exercise physiologist who can recommend exercises to help your joints move more easily and prevent bursitis from occurring again.

If your bursitis is caused by an infection, your doctor will prescribe antibiotics to treat the infection. In some cases, a needle is inserted into the bursa to remove the infected fluid. This may happen several times until the infection has cleared.

If the bursitis was triggered by a particular form of overuse, it‘s important to avoid that activity or modify how you perform it. An occupational therapist or physiotherapist can help you find solutions to this problem.

What can I do to control my symptoms?

You can do many things to relieve your pain and inflammation.

  • Protect and rest the joint to help the bursa recover. Your doctor or physiotherapist will advise you on how to rest the joint and for how long. This could include using cushions or pads when sitting or kneeling for long periods, using a sling or walking stick, modifying your activities etc.
  • Ice packs can help soothe red, inflamed joints, and heat packs and rubs can relax tense, painful muscles.
  • Maintain a healthy weight to reduce the pressure and stress on weight-bearing joints such as hips and knees.
  • Continue to stay active as much as you can while following any instructions provided by your healthcare team to protect your bursa.
  • Your doctor, physiotherapist and/or occupational therapist can offer other suggestions and strategies to reduce your risk of developing bursitis again.

Contact our free national Help Line

Call our nurses if you have questions about managing your painmusculoskeletal condition, treatment options, mental health issuestelehealth, or accessing services. They’re available weekdays between 9am-5pm on 1800 263 265; email (helpline@msk.org.au) or via Messenger.

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cortisone-foot.jpg
22/Jan/2020

Written by Steve Edwards, MSc(Oxon), MSc(Edinb), BSc(Pod)

“A cortisone injection? You want to stick a needle in my sore foot?”

Your health care clinician has suggested you have a cortisone injection into your foot. As with any medical procedure, both of you are best advised to discuss the benefits and risks before proceeding. It helps to know what cortisone is, what it does, and why it’s been offered to you.

Cortisone is an anti-inflammatory medication that’s often used to treat musculoskeletal conditions. It’s a synthetic version of cortisol, a hormone that naturally occurs in your body. Injected into the affected area, cortisone can lower inflammation and pain, remove fluid, and thin scar tissue or adhesions. So if your clinician diagnoses a musculoskeletal condition affecting your foot or ankle – such as arthritis, bursitis, neuroma, or tendinitis – a cortisone injection is commonly raised as an effective treatment option.

Cortisone injections also contain a local anaesthetic. For certain conditions an injection can be painful, so the anaesthetic may be injected separately before the cortisone to block this pain.

The clinician may or may not use ultrasound technology to guide the injection. For pain relief in the foot or ankle, research finds no statistically-significant difference between procedures conducted with or without ultrasound. Interestingly, trials on cadavers injected with dyed cortisone show how it rapidly spreads from the injection-point to adjacent tissue, indicating that pinpoint accuracy is not key to effectiveness.

There are several types of cortisone. In most cases the clinician will administer a long-duration cortisone, taking effect within 1-3 weeks, with benefits lasting between 1-9 months, depending on the condition and its severity. There’s a clinical consensus that no more than 3 injections should be administered to the same body-part within a 12-month period, though there’s no research literature to clearly support this belief.

After the injection, you can quickly return to most activities. The clinician may recommend you avoid strenuous physical exertion such as gym workouts or running for a few days, so the cortisone isn’t displaced from the target tissue.

As for risk-factors, there’s been research into whether the injection may risk tearing tendons in the target area. There’s no recorded case of this in human trials, though it has occurred in trials on dogs and horses. There were cases of more general tissue damage recorded in early trials on American gridiron players, but various factors could have produced this result – the needle used, the amount of fluid injected, and the subjects receiving multiple injections within a short period.

No medical procedure has a 100-percent success rate, but a single cortisone injection administered by a trained clinician is both safe and effective in providing medium-term pain relief. Side effects are minimal, and the benefit to your musculoskeletal condition is potentially vast. And for some foot-specific conditions – such as a neuroma (pinched nerve), or plantar fasciitis (heel pain due to scar tissue) – a cortisone injection can often be a cure.

Our guest blogger

Steven Edwards is a trainee foot and ankle surgeon with the Australasian College of Podiatric Surgeons. He also teaches pharmacology and foot surgery to undergraduate podiatry students at La Trobe University.


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