My sister is 12 years old and she always hiccups, what should I do?

Hello

My sister is 12 years old and she has long and loud hiccups every day

Her hiccups take a long time to stop, and she does not stop by drinking water and holding her breath

What should i do? I'm tired of her hiccups

My sister is 12 years old and she always hiccups, what should I do?
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