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No more than 20 minutes at a time. Back off, give it some rest, and then ice again. If you ice it too long, the exact opposite therapeutic effect occurs, which is trapping the blood in the area. The therapeutic effect you're trying to achieve is reducing the swelling of the area by releasing the blood in the swollen tissues. After 48 hours, switch to warm compresses.

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12y ago

What else can I help you with?