text: Yo, local anaesthetics, they widely used drugs,
  Rarely cause reactions, but yo, here's the buzz:
  Delayed-type hypersensitivity, and maybe instant too,
  Hard to tell 'em apart, what's a doc to do?
  
  Allergy skin testing, gotta consider that,
  Numerous protocols, yo, they been spat,
  But how we evaluate patients, that's the question, see,
  This review gonna update, let's break it down, G.
  
  PubMed-Medline, EMBASE, Biosis, Science Citation Index,
  We hit the books, let's get the facts straight, no lies.
  With the literature in hand, we got a plan,
  To distinguish immediate and delayed, we can.
  
  So here's the algorithm, listen up, take notes,
  It's gonna help us diagnose, keep 'em afloat.
  Separating allergies, immune reactions too,
  Safe and fast, we know what to do.
  
  That's the lowdown on allergic reactions to LA,
  Got the info, now you know, have a great day!