YOU SAID:

My cow was very sick so I gave it medicine for the sickness

INTO JAPANESE

私の牛がとても病気だったので、病気の薬を与えました

BACK INTO ENGLISH

My cow was very sick so I gave her medicine for the disease

INTO JAPANESE

私の牛は非常に病気だったので、病気の薬を与えました

BACK INTO ENGLISH

My cow was very sick so I gave her sick medicine

INTO JAPANESE

私の牛は非常に病気だったので、病気の薬を与えました

BACK INTO ENGLISH

My cow was very sick so I gave her sick medicine