Pain on the outside of the hip when lying on one side, a swollen knee after kneeling, or a sharp ache at the shoulder can make ordinary movement frustrating. Steroid injections for bursitis may reduce pain and inflammation when the condition is not settling with sensible activity changes and physiotherapy, but they are not automatically the best first step for every patient.
The right decision starts with an accurate assessment. Bursitis can resemble tendon pain, joint arthritis, referred pain from the spine and, less commonly, infection. Identifying what is actually driving your symptoms helps ensure treatment is both safe and useful.
What is bursitis?
A bursa is a small, fluid-filled sac that reduces friction between tissues such as tendons, muscles, skin and bone. There are bursae throughout the body, although they are most likely to cause symptoms around areas exposed to pressure or repeated movement.
Common examples include greater trochanteric bursitis around the outer hip, shoulder bursitis, prepatellar bursitis at the front of the knee and olecranon bursitis at the point of the elbow. In practice, pain labelled as bursitis may also involve irritation of nearby tendons. This is particularly common around the hip and shoulder, where treatment needs to address strength, movement control and loading as well as local inflammation.
Bursitis may develop after a change in activity, repeated kneeling or leaning, direct pressure, a fall, altered movement following an injury, or as part of an underlying joint condition. Sometimes there is no single obvious cause.
When can steroid injections for bursitis help?
A corticosteroid injection is intended to calm inflammation and reduce pain in a specific area. It is usually considered when symptoms are persistent, are limiting sleep, work or normal activity, and have not improved sufficiently with appropriate conservative treatment.
For some people, reduced pain creates a valuable window to restore movement and rebuild strength through rehabilitation. Someone with painful hip bursitis, for example, may be unable to sleep on the affected side or complete the exercises needed to improve hip control. If an injection reduces irritability, they may be better able to progress with physiotherapy.
That said, an injection is not a shortcut through the underlying cause. If repeated kneeling, poor shoulder mechanics, a sudden increase in running, weak supporting muscles or poor load management contributed to the problem, those factors still need attention. Without that rehabilitation plan, symptoms can return once the temporary benefit has worn off.
An injection may be less appropriate when pain is improving with exercise and activity modification, when the diagnosis is unclear, or where there are reasons it could be unsafe. The expected benefit also depends on the location and nature of the problem. Your clinician should explain what is realistic in your individual case rather than promise a guaranteed result.
Assessment comes before treatment
A thorough assessment should establish where your pain is coming from, how long it has been present, what aggravates it and whether it is affecting your function. Your clinician will assess movement, strength, tender areas and relevant joints, and review your medical history and medication.
It is particularly important to tell the clinician if you have diabetes, take blood-thinning medication, have an immune condition, are pregnant or breastfeeding, have had a recent infection, or have previously reacted to an injection. Steroid treatment can temporarily affect blood glucose levels, so people with diabetes may need to monitor their readings more closely after an injection.
A painful, hot, red or markedly swollen bursa needs prompt medical attention. Infection in a bursa, sometimes called septic bursitis, should not be treated as routine inflammatory bursitis. Fever, feeling unwell, rapidly increasing swelling, an open wound near the area, or unexplained severe pain are reasons for urgent assessment.
What happens during a bursitis injection?
After confirming that an injection is suitable, the clinician cleans the skin and uses a sterile technique. The injection commonly contains a corticosteroid and may include local anaesthetic. The local anaesthetic can provide short-term numbness, while the steroid works more gradually to reduce inflammation.
The procedure itself is usually quick. You may feel a brief scratch or pressure as the needle is inserted, followed by some temporary soreness. Injections can be guided by ultrasound in some circumstances, particularly where accuracy is important or the area is difficult to access. Whether this is needed depends on the body region, clinical findings and the practitioner’s judgement.
At Physio Experts, injection treatment should form part of a clinician-led plan, rather than being offered in isolation. The goal is to use pain relief appropriately and then help you return to normal movement, work, exercise or sport with a clearer route forward.
How quickly does it work and how long does it last?
Responses vary. If local anaesthetic is used, you may notice short-lived relief within hours. The steroid itself often takes several days to begin working and can take up to a couple of weeks for its full effect to become clear.
Some patients get substantial relief for weeks or months; others notice only a modest change, or none at all. Duration depends on the diagnosis, the severity of local irritation, ongoing activity demands and whether the contributing factors are being managed. A good response is useful information, but it should be followed by progressive rehabilitation rather than a rapid return to the same aggravating load.
Risks and side effects to understand
Corticosteroid injections are widely used and are generally well tolerated when appropriately selected and delivered. However, they do carry risks. The most common is a temporary increase in pain after the injection, sometimes called a post-injection flare. This usually settles within a few days.
Other potential effects include skin lightening or thinning at the injection site, bruising, temporary facial flushing and raised blood glucose levels. Infection is uncommon but serious. Tendons and soft tissues can also be weakened by repeated steroid exposure, which is one reason clinicians limit the frequency of injections into the same area and avoid injecting directly into certain tendons.
The balance of benefit and risk matters. A single carefully chosen injection can be useful for persistent, function-limiting bursitis. Repeated injections without addressing why the area remains irritated are less likely to provide a durable solution.
Recovery after the injection
Plan for a quieter day after treatment. Avoid strenuous exercise, heavy lifting or activities that put direct pressure on the treated area for the period advised by your clinician, often 24 to 48 hours. Gentle movement is usually encouraged unless you have been given different instructions.
If the area becomes increasingly hot, red, swollen or painful, if you develop fever or feel unwell, seek urgent medical advice. Otherwise, temporary soreness can often be managed with relative rest and simple pain relief if suitable for you.
Your rehabilitation should then restart or progress at the right pace. Depending on the affected area, this may include improving hip or shoulder strength, changing work or gym technique, gradually rebuilding tolerance to walking or running, and reducing prolonged pressure on the bursa. For knee bursitis, practical changes such as using knee pads can be as important as exercise.
Alternatives if an injection is not right for you
Many cases of bursitis improve without an injection. Targeted physiotherapy can address weak or overloaded muscles, restricted movement and habits that repeatedly aggravate the area. Activity modification does not necessarily mean stopping everything – it means temporarily reducing the specific movements or positions that keep provoking pain while maintaining what you can do comfortably.
Other options may include advice on sleep position, pacing, heat or ice where helpful, medication discussed with a pharmacist or prescriber, and treatment for any related tendon or joint problem. The best approach depends on whether the primary issue is inflammation, tissue overload, pressure, altered biomechanics or another diagnosis altogether.
Persistent bursitis deserves more than simply putting up with it or repeatedly masking symptoms. A focused assessment can clarify whether a steroid injection is likely to help and, just as importantly, what should happen next to give your recovery the best chance of lasting.