What Causes Chills Without Fever?

What causes chills without fever?

When a person experiences chills or shivers they usually reach for the thermometer because chills are often accompanied by a fever. However, there are many medical and psychological reasons why you can have chills, but no fever.

These are the most common causes of chills without fever:

Exposure to extremely cold temperatures

Infection (bacterial/viral)

Common cold


  • Inflammation of the lungs
  • Coughing, fever or difficulties breathing

Acute bronchitis

  • Chest cold
  • Inflammation of the large bronchi
  • Can be caused by bacteria or viruses

Vitamin deficiency

  • Vitamin B deficiency (B12 in particular)
  • Can be improved through a proper diet

Food poisoning

  • In rare cases, the person who suffers from food poisoning can present chills without fever
  • Other symptoms include vomiting, diarrhea, abdominal cramps


  • There are certain medications that can lead to the appearance of chills, this being a side-effect

Insect/spider bites

  • Chills can appear as an allergic reaction to the insect or spider bites
  • Emergency intervention might be required to prevent life-threatening symptoms

Mental disorders

  • Anxiety or stress disorders – panic attacks (chills appear along other symptoms, such as the feeling of death and lack of control)

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* The Content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.