It's no longer recommended by most medical associations or the WHO. https://www.cmh.edu/siteassets/media-documents-for-depts-section/documents-for-health-care-

It's no longer recommended by most medical associations or the WHO. https://www.cmh.edu/siteassets/media-documents-for-depts-section/documents-for-health-care-providers/evidence-based-practice/critically-appraised-topics/administering-intramuscular-injections.pdf https://www.cmh.edu/siteassets/media-documents-for-depts-sec... SubQ has an even lesser risk of hitting a blood vessel.