The deltoid may work well for a person with developed muscles in the upper body
When adverse effects occurred, they were typically mild and transient, with the most common being mild to moderate headaches (similar frequency to placebo groups), minor injection site reactions (redness, slight swelling), and gastrointestinal effects at higher oral doses (nausea, diarrhea)
Sean Daneshmand looks at the overall picture, fully envisioning the likely outcome of each treatment in order to choose the one with the highest possibility of achieving the desired goal
In summary, monitor the injection site (if pain increases or the area gets very red, hot, and swollen, inform your doctor as that could indicate injection-site infection, which is exceedingly rare with proper technique)