Some substances such as acyclovir and carbamazepine can cause reactions even at low concentrations, and it is recommended to start with much lower concentrations such as 0.1% to 1% and, if the test is negative, increase it to 10%.15 DPTR can be applied on the dorsal region, like common patch tests
15 Radiographs may be helpful in confirming the diagnosis
Among other things, we offer Immunocal, discovered by Dr
Naunyn-Schmiedeberg's Arch Pharmacol 399 , 38193841 (2026)
(PubMed) Pellanda H
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