Thursday, September 8, 2011

Q: How quickly IV Vitamin K starts working?

Answer: Somewhere around 2-6 hours.

IV Vitamin K should be given very slowly over 20-30 minutes. It may cause hypersensitivity. Symptoms may include facial flushing, diaphoresis, chest pain, hypotension, dyspnea, cardiac arrest and death. Very low dose (1-2 mg) is mostly enough.

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