What does "prophylaxis" mean?

Prevention of, or protective treatment for, disease.

How do you pronounce "prophylaxis"?

Pronounced //pɹɔfɪˈlæksɪs//.

Common synonyms include: active treatment, adjuvant treatment, antigen treatment, causal treatment, conservative treatment, cross-firing.

/pɹɔfɪˈlæksɪs/ noun

noun ·Uncommon ·Advanced level

Noun

1
Prevention of, or protective treatment for, disease. countable, uncountable
2
the prevention of disease wordnet
3
A move or strategy that frustrates an opponent's plan or tactic. countable, uncountable

"Can post-exposure prophylaxis (PEP) stop me getting HIV?"

From Latin, from Ancient Greek πρό (pró, “before”) + φύλαξις (phúlaxis, “a watching, guarding”).