Suggest Remedy For Pain In The Lower Back

I drove for an hour then sat through a nine hour class, then drove home an hour. When I woke up the next day my lower back ached, but I had to do the same thing the next day. This was Tuesday and Wednesday. And now it s Friday and it still aches, but as I walking I sneezed, pretty hard, and my legs almost have out. I had to sit for a whole and couldn t walk.. I laid down for a little bit and when I got up it still hurt but not as bad, however I stand crooked now, and it hurts my lower back to put pressure on my right leg. Walking hurts as well and I walk crooked.. If I m standing in the mirror it s noticeable that something is wrong and my back is crooked. Will a chiropractor be able to fix this?