Deltoid bursitis and other shoulder conditions that may develop after vaccination injections into the deltoid muscle are painful, but they're also rare and preventable, according to a new study.

Aristada comes as a liquid solution. It’s given as an injection into a shoulder or buttock muscle by a healthcare professional in an outpatient facility. You will not inject this medication yourself.

Please provide your email address to receive an email when new articles are posted on . Ruptures of the deltoid muscle tendon are rare injuries that are infrequently reported in the literature.

Your deltoid muscles make up a main muscle group in your upper body. They’re connected with many other muscles and bones in your upper back, neck, and shoulder region and are extremely mobile. They ...