麻薬 まやく せい鎮痛 ちんつう やくだったら
mayaku seichin tsūyakudattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 麻薬性鎮痛薬

1. If it were a narcotic analgesic; If it was a narcotic painkiller

Tara Conditional