RT Journal
A1 Kuehn BM
T1 BUrns from topical pain relievers
JF JAMA
JO JAMA
YR 2012
FD November 28
VO 308
IS 20
SP 2073
OP 2073
DO 10.1001/jama.2012.76605
UL http://dx.doi.org/10.1001/jama.2012.76605
AB 
The agency reviewed 43 cases of such burns in the medical literature and the agency's Adverse Events Reporting System and found that some patients using these products experienced first-, second-, and third-degree burns, even after a single application of the product. Some of these patients developed complications that required hospitalization.