What does -toxic mean in medical terms?

-toxic

Meaning: poisonous to

Type: Suffix

A suffix goes at the very end of a word, after the root. On this page: what -toxic means, and real medical words that use it, each broken down into its parts.

Example words using -toxic

cytotoxic
cyto (cell) + -toxic (poisonous) = poisonous to cells
hepatotoxic
hepato (liver) + -toxic (poisonous) = poisonous to the liver

Shortened forms

Charts and notes shorten long terms — see the Medical Abbreviations guide for the short forms you will meet in real records.

Please note: This section teaches the language of medicine — what word parts mean and how terms are built. It is an educational reference, not medical advice. For the meaning of a word in your own medical record, ask the clinician who wrote it.