What Should My Friend Do About Severe Upper Right Arm Pain For Two Days, Given Her Methamphetamine Use And Suboxone, Zoloft, And Lithium Intake?

my friend is afraid to go to the dr, and she is having bad pain in her upper right arm for two days. she injects methamphetamine and is on suboxone, zoloft, and lithium to treat bipolar and addiction to pain pills/meth. can you tell me what she can do please, she is really scared