What Could Cause Pain In Back And Hip?

i an a 22 year old female with hip pain which i believe i due to my feet. i have corns, calluss, and wart all mixed together ive been to fooy doctors but all they do is acid treatment after acid treament with no results i also have pain in my back but i have had that pain sence i was 16 i was a heavey child and although i have lost the weight i pain only worsens