The Free Dictionary gave the following rules that will help us learn how to use “confused about” and “confused with”
Both are grammatically correct but they don’t mean the same.
(a) Confused about-(like to confuse someone about something) means to cause someone to be puzzled or bewildered about something.
Ex: I wish you wouldn’t confuse me about those things.
(b) confused with – (like to confuse someone with someone else) means to mix someone up with someone else; to mistake someone or something with something else.
Ex: I’m afraid you have confused me with my brother.
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