How is the kanji 剤 read?

ザイ (Zai); スイ (Sui); セイ (Sei); かる (Karu); けず.る (Kezuru)

剤dose

剤

Karuかる

dose

Zaiざい

Suiすい

Examples

調剤ちょうざいmaking up a prescription

薬剤やくざいmedicine

剤 (Karu) is a JLPT N1 kanji meaning “dose, medicine, drug”. It is taught in secondary school and written in 10 strokes.