Ice or heat?

I've been reading about pain management recently and have no idea if I should use ice or heat. Some say cold (e.g. deep freeze gel) can help, others say to try heat (e.g. heat pads). Any experiences?
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I've been reading about pain management recently and have no idea if I should use ice or heat. Some say cold (e.g. deep freeze gel) can help, others say to try heat (e.g. heat pads). Any experiences?
Comments
I'd be interested in this too...I tried heat pads before but absolutely no use.