One week after botox for migraines I have experienced tingling. Is this botox related and should I be concerned?

This is the 6th tx I have had for migraines. This is the second time I have experienced the tingling sensation and both times the tingling begins one week after tx. The tingling occurs in my face, including lips & tongue, & both arms down to finger tips. I have noticed this current episode is a bit longer than the first one...lasting several days and all day long. The first time I noticed tingling it was only one day. I do receive all 31 injections on my head and neck and go every 3 months.

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