Select the incorrect statement regarding hypersensitivity treatment.

Select one:

a$.$

Severe allergic reactions are typically managed with antihistamines and corticosteroids alone.

b$.$

Milder allergic reactions are often treated with antihistamines and other anti$-$inflammatory drugs.

c$.$

Treatment of type III hypersensitivity involves avoiding further antigen exposure and using anti$-$inflammatory drugs.

d$.$

Desensitization therapy can help prevent allergic reactions by promoting the production of IgG antibodies.