interaction
B1CEFR level
15/100Rarity: common
TechnicalRegister
An effect that occurs when one medicine alters the action of another.
There's a known interaction between your anticoagulant and this painkiller, so avoid it.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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