Steroids are  very efficient anti-inflammatory medicines. The steroid is often injected into your bursa beneath the acromion. This may be done within the medical doctor's office, with or with no usage of ultrasound or other sort of graphic guidance. Bursitis inside the shoulder refers to the inflammation in the bursa, https://www.theorthopaedicandpainpractice.com/what-are-some-shoulder-pain-treatments/