A nurse is reviewing the use of interferon beta medications for a client diagnosed with multiple sclerosis. Which of the following statements best reflects the nurse's understanding of the appropriate use of interferon beta medications?

Interferon beta medications are indicated for the treatment of acute relapses of multiple sclerosis.

Interferon beta medication may help to reduce the frequency of relapses and slow disease progression in multiple sclerosis.

Interferon beta medications are contraindicated for clients who have multiple sclerosis.

interferon beta medications are only effective in managing symptoms but do not alter the disease course of multiple sclerosis.