Diagnosis of contact dermatitis is done by -
Ans. is 'a' i.e., PATCH test Diagnosis of Contact dermatitiso Diagnosis of contact dermatitis is made by patch test. Patch test is the only effective means of confirming contact dermatitis. In patch test reading is taken after 48-72 hours to see the signs of delayed hypersensitivity, i.e., induration.
Dermatitis Erythema
PATCH test
Woods lamp
Skin biopsy
Darrier's sign
PATCH test