YOU SAID:

My leg is very itchy for some reason.

INTO JAPANESE

私の足は何らかの理由で非常にかゆいです。

BACK INTO ENGLISH

My feet are very itchy for some reason.

INTO JAPANESE

いくつかの理由は、私の足がすごくかゆいです。

BACK INTO ENGLISH

For some reason, my feet are very itchy.

INTO JAPANESE

いくつかの理由は、私の足がすごくかゆいです。

BACK INTO ENGLISH

For some reason, my feet are very itchy.