What is a bursa injection?

If a doctor has mentioned a bursa injection, the name can sound bigger than it is. Here is a plain answer for a first-timer.
A shot for bursitis pain
According to Cleveland Clinic, bursa injections treat bursitis pain. The shot typically contains a steroid like triamcinolone. Cleveland Clinic adds that these anti-inflammatory medicines reduce swelling and pain.
Who a bursa injection is meant for
A bursa injection is aimed at bursitis pain, so it makes the most sense when bursitis is the reason you hurt. To learn more about the condition itself, the NHS page on bursitis is a short read. For the hip in particular, see OrthoInfo on hip bursitis or the Cleveland Clinic page on trochanteric bursitis.
Reading up before your visit
Write down where it hurts and what makes it worse before your visit, and bring those notes with you. The Cleveland Clinic guide to cortisone shots explains the steroid side of an injection like this, and it is worth reading before you decide.
If you are in Woodland Park and your joint pain keeps coming back, book a visit and ask whether an injection fits your case.
Questions to bring along
An injection is one tool, not the whole plan. Ask what it is meant to treat and what you should do afterward.