Common ways of medication administration include:
Intravenous or IV (into a vein)
Oral (by mouth)
Intramuscular (IM) injection (into a muscle)
Subcutaneous (SC) injection (under the skin)
Intrathecal Therapy (within the spinal canal)
Rectal administration (through the anus)
Topical administration (applied to a particular place on or in the body)