Signs and symptoms
... A fever occurs when your temperature rises above its normal range. What''s normal for you may be a little higher or lower than the average temperature of 98.6 F. That''s why it''s hard to say just wha...

Causes
... Even when you''re well, your body temperature varies throughout the day — it''s lower in the morning and higher in the late afternoon and evening. In fact, your normal temperature can range from...

When to seek medical advice
... Fevers by themselves may not be a cause for alarm — or a reason to call a doctor. Yet there are some circumstances when you should seek medical advice for your baby, your child or yourself. For ...

Screening and diagnosis
... Your doctor will likely diagnose the cause of your fever based on your other symptoms and a physical exam. Sometimes you may need additional tests to confirm a diagnosis. If your doctor suspects pneum...

How to Take Your Temperature
... Using a thermometer to monitor your temperature can help you manage an illness. A rise in your temperature is usually caused by an illness, infection or injury. Normal body temperature Normal body tem...