Postanesthetic shivering, also known as postanesthetic chills, is defined as uncontrollable shivering after anesthesia. It is a common occurrence, particularly in patients undergoing general anesthesia. This involuntary shaking can happen as the body temperature tries to readjust after the effects of anesthesia.

Postanesthetic Shivering FAQ


What causes postanesthetic shivering?

Postanesthetic shivering can be caused by a drop in the body's core temperature as a side effect of anesthesia.

Is postanesthetic shivering a serious concern?

While uncomfortable, postanesthetic shivering is not typically a serious issue and can be managed effectively.

How long does postanesthetic shivering last?

The duration of postanesthetic shivering can vary but usually resolves within 15-30 minutes after awakening from anesthesia.

Are there medications to help with postanesthetic shivering?

Yes, medications like Ketorolac, Tramadol, and Ondansetron can be used to manage postanesthetic shivering.

Can postanesthetic shivering be prevented?

Efforts to maintain body temperature during and after anesthesia can help prevent or minimize postanesthetic shivering.

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Information provided by Maryam Abdullahi-Mahdi. Reviewed by Mr. Matthew Liew