What can I take for the flu while pregnant?

So i have a question. Im about 8 months pregnant with my 2nd child. I ended up catching the flu and since then I have been super sluggish and just feeling like poo in general. I went for a follow up and they told me Im good but this feeling isnt going away… anyone know a way to get my energy back or how to make me feel better?

This never happened with the first one and I was fine until I got sick. Please help.