Has anyone dealt with sciatica?

I went to an orthopedic doctor yesterday because I have been having pain in my left hip for a few weeks now. I work out every day and thought I had pulled a muscle or pinched a nerve in my butt. But after talking to friends who were had hip replacement, I got paranoid since I'm an old lady now, and went to the doctor. He did X-rays and said I had sciatica. He looked very shocked when he said my joints looked amazing. 😂 Because I'm an old lady I guess. He mentioned steroids, but I can't take them at all, so he suggested physical therapy. Has anyone else had sciatica? If so, can you recommend some good exercises or stretches or maybe some good YouTube videos that were helpful? Or supplements or anything? I really don't have the money to spend for physical therapy, especially if there's something I can do at home.