I have had leg pain for years now. I couldn't pinpoint where it starts because it runs all along my left leg. However, there has been a sudden change the past two/three weeks. I have started noticing what I could describe as little spasms in different places of the leg, along with low-left abdominal pain. I kind of feel a slight numbness but it's not so much a tingling sensation but as if my arm were tired. Sometimes I do feel like a slight shivering sensation just down this leg. Last September, I went to the ER because of this (along with some chest pain), and an electrocardiogram was performed with normal results. Then, today I felt like a heartbeat sound in my left ear as well, for about two hours I am concerned that it might be a blood clot as I am supposed to start taking birth control pills (Yasminelle) in a few days and I have read that they might cause greater risk.
My question is, is it possible to have a blood clot for months and not having felt symptoms? I have a doctors appointment for Thursday. If I had to start taking the pills before that, could 5/6 days of Yasminelle trigger a rupture/embolism/whatever it is I have?
Thank you in advance for your help.