How do people in dysfunctional families escape them?

My family always calls on me when there is a serious problem that no one can solve. Impossible situations that include domestic violence, drug abuse, and some actual life threatening issues that demand immediate intervention.

Like a sister who lives out of town and is self destructive. A brother whose life is being threatened by his wife. A father that is abusive to a mother.
I am usually able, through drastic measures including notifiying law enforcement, paramedics, or administering emergency medical aid myself to resolve many crisis and chaos that occur.
But I am wiped out. One brother is constantly needing money.
I just want to escape.

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