What Causes Numbness And Swelling In The Toes?

Hello, I am a 49 yo female, slightly overweight that has severe swelling in my feet and ankles. Can you tell me what is causing this? i do have a family history of heart problems, I do not consume a large quantity of salt, feels like numbness and pain in my bottom part of my toes and swelling where the ankle bone is. I do drink water , quite a bit no known allergies and not on any medications no known history of daibetes, have all classic symptoms of fibromyalgia though,..please help, im very concerned!