What is the difference between NKA and NKDA on medical patches?

Question by Riccardo: What is the difference between NKA and NKDA on medical patches?
NKA no known allergies / NKDA no known drugs allergies. But I would like to know if NKDA mean no known allergies & drugs or no known allergies to drugs?


Best answer:
Answer by JoshThe

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