It you are still lifting, stop for now.

Do walking or swimming perhaps instead -- check with MD.


Are you on any medications with this as a side effect?
I get tingling due to a side effect of one of my medications.
Does your MD call the tingling Paresthesia like mine does?


Medline Plus has a list of possibilities including tick bites, lack of vitamin 12, seafood toxins, . . . .

Get a blood test for lack of vitamin 12
Get tested for mercury poisoning.

M