I have a history of thyroid disease and Factor V Leiden. Thankfully, I have a very healthy lifestyle and am pverall pretty active and healthy with 4 little ones. I have had flu like symptoms for about 2 days and noticed a hard painful lump in my arm just around my elbow. I am worried about a blood clot, given my history of Facto V Leiden. FVL runs in my family and my sister frequenly gets blood clots, I have never had one so I am nost sure what I am looking for. I do not have much of a fever, but am feeling really crappy..,the most prominient thing is my entire body is sore. Any help?