YOU SAID:

today I need to go home and get medicine because I'm sick

INTO JAPANESE

今日は病気なので家に帰って薬をもらいます

BACK INTO ENGLISH

I am sick today, so I will go home and get some medicine.

INTO JAPANESE

今日は体調が悪いので家に帰って薬をもらいます。

BACK INTO ENGLISH

I'm not feeling well today, so I'll go home and get some medicine.

INTO JAPANESE

今日は体調が悪いので家に帰って薬をもらいます。

BACK INTO ENGLISH

I'm not feeling well today, so I'll go home and get some medicine.