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Normal body temperature is 37C, and fever is a condition when the body temperature exceeds 38C. Infections are one of the most common causes of fever. Other causes include cancers, vaccinations, medicines like antibiotics, heat illness and autoimmune diseases.

Fever is an alarming situation indicating a severe infection in infants and toddlers. In adults, it is not a major concern unless the body temperature rises to 39.4C. In these cases, seek medical help immediately to avoid life-threatening effects.

Yes. Mild fever, chills, pain and fatigue are the common symptoms you may experience after vaccination. It is not a worrisome issue unless it does not get resolved by itself. You should consult a doctor if the symptoms are severe or not getting resolved even after a few days.

The doctor may ask you details about your symptoms and diseases you had in the past to evaluate the exact cause of the fever. A physical examination, along with laboratory tests such as blood tests may be advised for the diagnosis of the underlying cause of fever.

The doctor may recommend some non-prescription medicines like acetaminophen or aspirin. However, after the diagnosis of the cause, the doctor may prescribe antibiotics or antiviral medicines based on the cause of your fever. Infants, especially those younger than 28 days, should be admitted to hospitals in the case of fever.