The therapist prescribed Milgamma medicine to a patient with neurological manifestations of spinal osteochondrosis. Milgamma is a combination of vitamins B1, B12 and B6. After medicine using, the patient had an angioedema (allergy). Explain the reason of allergy:

(Explain the reason of allergy)Cyancobalamin enhances the allergic action of thiamine

Thiamine diphosphate

Cobalt

Decarboxylase