anti-

DEFINITION of anti-

1. Against, opposed to
2. Preventing
3. Relieving

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ETYMOLOGY of anti-

greek

• ant- before “h” or {vowel}

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RELATED TERMS to anti-

anti-	against	opposed to	preventing	relieving	-	-
ana-	YES	-	-	-	up	back
contra-	YES	-	-	-	opposite	-
ob-	YES	-	-	-	toward	very, thoroughly

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DERIVATIONS of anti-

TABLE definition AS Definition 
WHERE length(filter(roots, (word) => econtains([[]].roots, word))) > 0 AND file.name != [[]].file.name
SORT file.name ASC

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Query

TABLE definition AS Definition
FROM #medroot
WHERE length(filter(definition, (word) => econtains([[]].definition, word))) > 0 AND file.name != [[]].file.name

Med terms dictionary

Prefix: anti-

Short Definition

Against or preventing.

Long Definition

The prefix anti- indicates opposition, prevention, or action against something. It appears in pharmacology, immunology, and infectious disease terminology.

Etymology

• Greek anti → “against, opposite”

Related Terms

Term	Meaning
contra-	against
prophylactic	preventive

Common Medical Terms

• Antibiotic - against bacteria
• Anticoagulant - prevents clotting
• Antiviral - against viruses

Documentation Clues

• “prophylaxis”
• “Preventive therapy”
• “Anti‑inflammatory treatment”

Coder’s Notes

Anti‑medications often require indication coding (e.g., anticoagulants →Z79.01).