What's worse is that these false penicillin allergies have precluded the use of similar drugs such as cephalosporins, despite a very low cross reactivity, and w

What's worse is that these false penicillin allergies have precluded the use of similar drugs such as cephalosporins, despite a very low cross reactivity, and worse drugs such as vancomycin were used as substitutes. Thankfully, increased attention will help to decrease overuse.