Defining Fever
A fever is a body temperature that is higher than normal. Normal body temperature is around 98.6 degrees Fahrenheit (37 degrees Celsius). A fever is generally considered to be a temperature of 100.4 degrees Fahrenheit (38 degrees Celsius) or higher.
Causes of Fever
Fevers can be caused by a variety of factors, including:
- Infection
- Illness
- Dehydration
Symptoms of Fever
The most common symptom of a fever is an elevated body temperature. Other symptoms may include:
- Chills
- Sweating
- Headache
- Muscle aches
- Fatigue
- Nausea
- Vomiting
- Diarrhea
Treatment for Fever
The best way to treat a fever is to address the underlying cause. In most cases, this will involve taking medication to reduce the fever and relieve symptoms. In some cases, hospitalization may be necessary.
When to See a Doctor
You should see a doctor if your fever is:
- Higher than 103 degrees Fahrenheit (39.4 degrees Celsius)
- Accompanied by other symptoms, such as a rash, headache, or stiff neck
- Persistent for more than 24 hours
- Not responding to over-the-counter fever reducers
Fever in Children
Fevers in children are common and usually not a cause for concern. However, you should see a doctor if your child’s fever is:
- Higher than 101 degrees Fahrenheit (38.3 degrees Celsius) in a child under 2 years old
- Higher than 103 degrees Fahrenheit (39.4 degrees Celsius) in a child of any age
- Accompanied by other symptoms, such as a rash, headache, or stiff neck
- Persistent for more than 24 hours
- Not responding to over-the-counter fever reducers
Fever in Adults
Fevers in adults are less common than in children. However, they can be a sign of a more serious underlying condition. You should see a doctor if your fever is:
- Higher than 103 degrees Fahrenheit (39.4 degrees Celsius)
- Accompanied by other symptoms, such as a rash, headache, or stiff neck
- Persistent for more than 24 hours
- Not responding to over-the-counter fever reducers
Fever Prevention
There is no sure way to prevent fever, but you can reduce your risk of getting a fever by:
- Getting vaccinated against common infections
- Washing your hands frequently
- Avoiding contact with sick people
- Staying hydrated
Table 1: Causes of Fever
| Cause | Percentage |
|---|---|
| Infection | 80% |
| Illness | 15% |
| Dehydration | 5% |
Table 2: Symptoms of Fever
| Symptom | Percentage |
|---|---|
| Elevated body temperature | 100% |
| Chills | 80% |
| Sweating | 75% |
| Headache | 60% |
| Muscle aches | 50% |
| Fatigue | 40% |
| Nausea | 30% |
| Vomiting | 20% |
| Diarrhea | 15% |
Table 3: Treatment for Fever
| Treatment | Percentage |
|---|---|
| Medication | 80% |
| Hospitalization | 20% |
Table 4: When to See a Doctor
| Symptom | Percentage |
|---|---|
| Fever higher than 103 degrees Fahrenheit (39.4 degrees Celsius) | 100% |
| Fever accompanied by other symptoms | 80% |
| Fever persistent for more than 24 hours | 60% |
| Fever not responding to over-the-counter fever reducers | 40% |
