Hi There, Over The Last 4 Months That Started With

hi there, over the last 4 months that started with cramping in my thighs and calves has now become in the past 2 weeks to pain walking. my ankles are swollen and appear slightly discoloured. my feet have now started to come up bruised without any injury. my knees hurt really bad. I can barely walk and when going up and down stairs I'm basically crawling. I'm 24 and female