We added the use of a toothpaste patch test to lower the rates of false-positive and false-negative reactions. The results showed a 45% rate of clinically relevant toothpaste allergy in the ...

An 11-year-old girl has died after an allergic reaction to a milk-based ... were blue and claims the new prescription toothpaste she was given for white spots on her teeth had cut off her oxygen.

Eleven patients (46%) in group 1 had a total of 20 positive reactions to allergens in other series (not the toothpaste or dental series), compared to 13 patients (65%) with a total of 26 positive ...