How to tell if a bone is broken? And what is the initial treatment?

I work as a nurse in a rural area without a doctor. Since we're about 15 mountain km away from the hospital, I need to evaluate if I it's a sprain or a fracture, because a hospital trip is quite expensive. Should I wait and see? Plus, what should I give them? I was thinking Ibuprofen, muscle cold gel, and... show more I work as a nurse in a rural area without a doctor. Since we're about 15 mountain km away from the hospital, I need to evaluate if I it's a sprain or a fracture, because a hospital trip is quite expensive. Should I wait and see? Plus, what should I give them? I was thinking Ibuprofen, muscle cold gel, and immobilize with compression bandage?
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