pain after 6 week of having a c section

Carolin
Plz I need help, I had my baby 5 weeks ago via c section and I'm still having pain and noticed a knot on my left upper side where I have the surgery... does any one experience that?? Sometimes I can't walk properly and my dr appt is in 2 weeks 😩😩.. I don't want to continue taking Advil for the pain.. plz help