YOU SAID:

My diarrhea tummy is all better

INTO JAPANESE

下痢のお腹はすっかり良くなりました

BACK INTO ENGLISH

My stomach has completely recovered from diarrhea.

INTO JAPANESE

下痢がすっかり治りました。

BACK INTO ENGLISH

The diarrhea has completely disappeared.

INTO JAPANESE

下痢は完全に治まりました。

BACK INTO ENGLISH

The diarrhea has completely subsided.

INTO JAPANESE

下痢は完全に治まりました。

BACK INTO ENGLISH

The diarrhea has completely subsided.