12 days after HIFU treatment on my upper arms, I still have severe numbness and pain from my wrist to elbow. Is this normal?

12 days ago I had a HIFU treatment on my upper arms for skin tightening. A number of times I felt something like a electric shock in my right arm from middle of my bicep to my wrist. My wrist to elbow on my inner arm has been numb since. Also having pins and needles severely. It is so numb I can't feel ice/sharp objects against the skin. I am concerned as the practitioner said it will resolve in a few days but hasn't. Should I consider seeing a neurologist or do I just need more time to recover?

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