Immunotherapy
Immunotherapy is a specialized treatment for extensive forms of alopecia areata. The facility of this treatment may not be available in all hospitals and only accessible in some specialized medical centers. In this treatment, the medicine is applied to the affected areas one time in a week and may continue for several weeks until the desired outcomes. These medicines cause allergy to the skin, and skin looks like if there is mild eczema. There may be some adverse reactions to these drugs that include skin irritation and dermatitis.