<s>[INST] I have had terrible pain in my leg started a week ago with swellin in my knee but now I have awful pain from my knee to my hip its really painful I have pain in my groin also pins and needles in my foot im worried people telling me could be a blood clot . [/INST] hiYou must consult an orthopedic doctor soon.In meantime take advil tabs after meals and do fomentation.Take as much rest as possible.it may be joint pain and not clot.best wishes </s>