Shivering

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If caused by cold, move to a warm area, remove wet clothing, and cover with layers of dry blankets. If caused by infection, acetaminophen (Tylenol) may help.

Self-care

Call 911 or local emergency medical number and start CPR if:

• Person is found unconscious or unresponsive
• Possible blocked airway, choking, lack of breathing, or weak pulse
• Head injury
• Seizure
• Loss of bowel or bladder control
• Person has diabetes

When to seek immediate medical care

Call a doctor if:

• No improvement after three days or lasts more than five days
• Discolored fingers or toes
• Younger than 3 months with fever of 100.4 F (38 C) or higher
• Three to 6 months old with fever of 102 F (38.9 C) or higher
• Six to 24 months old with fever of 102 F (38.9 C) or higher lasting more than a day
• Age 2 or older with fever and listless, irritable, or vomiting repeatedly
• Adult with fever of 103 F (39.4 C) or higher

, When to make a doctor’s appointment