Acupuncture

There are other, less-pleasant side effects of acupuncture. None are life-threatening, and all typically are fleeting. Still, they are good to be aware of so that if you do experience them, you know they're normal and nothing to be too concerned about.
Frozen shoulder, also known as adhesive capsulitis, isn't as official as it sounds. Frozen shoulder just refers to shoulder pain that leads to restricted range of motion. It is a catch-all diagnosis for shoulder pain and immobility for which the underlying cause is unknown.