In a parental manner, like a parent.

What parentally mean?

: situated or occurring outside the intestine parenteral drug administration by intravenous, intramuscular, or subcutaneous injection especially : introduced otherwise than by way of the intestines enteric versus parenteral feeding. Other Words from parenteral.

What does administered parenterally mean?

Parenteral delivery is defined by the US Food and Drug Administration (FDA) as drug administration by injection, infusion, and implantation or by some other route other than the alimentary canal.