administration of drugs parenteral route

https://doi.org/10.1351/goldbook.15146
Method of introducing substances into an organism, avoiding the gastrointestinal tract.
Notes:
  1. Parenteral routes may be employed whenever enteral routes are contraindicated or inadequate.
  2. Parenteral administration includes some conventional (intravenous, intramuscular, subcutaneous) and some special (intradermal, intraventricular, etc.) routes.
  3. Parenteral products can be solutions, suspensions, and emulsions. They are presented as sterile products. It is commonly used to imply administration by injection or infusion.
See also: administration
Source:
PAC, 2009, 81, 971. (Glossary of terms related to pharmaceutics (IUPAC Recommendations 2009)) on page 974 [Terms] [Paper]