YOU SAID:

my grandmother takes drugs for her back pain

INTO JAPANESE

私の祖母は、彼女の背中の痛みの薬

BACK INTO ENGLISH

My grandmother was on her back pain medication

INTO JAPANESE

私の祖母は背中の痛みの薬を飲んでいた

BACK INTO ENGLISH

My grandmother was drinking her back pain medicine

INTO JAPANESE

私の祖母は彼女の背中の痛みの薬を飲んでいた

BACK INTO ENGLISH

My grandmother was drinking the pain medicine on her back.

INTO JAPANESE

私の祖母は彼女の背中に痛みの薬を飲んでいた。

BACK INTO ENGLISH

My grandmother was drinking a pain medicine on her back.

INTO JAPANESE

私の祖母は彼女の背中に痛みのある薬を飲んでいた。

BACK INTO ENGLISH

My grandmother was drinking a painful medicine on her back.

INTO JAPANESE

私の祖母は彼女の背中に痛みを伴う薬を飲んでいました。

BACK INTO ENGLISH

My grandmother was drinking a painful medicine on her back.