I get a pulsating "vrmmmm, vrmmmm, vrmmmm" feeling off and on also on the bottom of my foot, as does my brother. If we are talking about the same thing, it could be coming from your back - at least that's where we think ours is coming from. It's always reassuring to get a doctor's opinion. Many symptoms can have different causes. No one here can tell you for sure what is causing your symptom. So make an appt. and see what they say. Hope this helps.
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