Table 2.

Maximum concentration of prick, intradermal and patch test for beta-lactams (modified from 13)

Drug	Prick test	Intradermal test	Patch test
Ampicillin	20 mg/mL	20 mg/mL	5%
Amoxicillin	20 mg/mL	20 mg/mL	5%
Benzylpenicillin	10.000 UI	10.000 UI	5%
Cephalosporin	2 mg/mL	2 mg/mL	5%