Fever is a common medical symptom characterized by an elevated body temperature. It’s often a sign that the body is fighting an infection or another underlying issue. Here’s an overview of fever:
Normal Body Temperature:
- The average normal body temperature is around 98.6°F (37°C), but it can vary slightly from person to person and throughout the day.
What Constitutes a Fever:
- Generally, a body temperature of 100.4°F (38°C) or higher is considered a fever.
Causes of Fever:
- Infections:
- Viral Infections: Such as the common cold, flu, or COVID-19.
- Bacterial Infections: Like strep throat, urinary tract infections, or pneumonia.
- Inflammatory Conditions:
- Autoimmune Diseases: Conditions like rheumatoid arthritis or lupus.
- Heat Exhaustion:
- Overheating: Due to excessive heat exposure or dehydration.
- Medications:
- Drug Fever: Caused by certain medications or drugs.
- Other Factors:
- Teething in Children: Can sometimes cause a mild fever.
- Post-Surgery: Temporary fever can occur after some surgical procedures.
Symptoms Associated with Fever:
- Elevated Temperature: Higher than normal body temperature.
- Chills or Shivering: Often experienced as the body tries to regulate its temperature.
- Sweating: The body may sweat as it cools down.
- Headache: Commonly accompanies fever.
- Muscle Aches: Often felt along with fever.
- Fatigue: Feeling unusually tired or weak.
Diagnosis:
- Medical History and Physical Exam: Doctors assess the patient’s overall health, recent activities, and other symptoms.
- Tests: Depending on the suspected cause, tests may include blood tests, urine tests, imaging studies, or cultures.
When to Seek Medical Help:
- Infants and Young Children: In babies under three months old, a fever is a serious concern and requires immediate medical attention.
- Persistent or High Fever: If a fever lasts more than a few days or reaches very high temperatures.
- Severe Symptoms: Such as difficulty breathing, chest pain, confusion, or seizures.
- Underlying Health Conditions: If the person has chronic illnesses or a weakened immune system.
Prevention:
- Good Hygiene: Regular hand washing and avoiding close contact with sick individuals.
- Vaccinations: Keeping up with recommended vaccinations to prevent infections.
Fever is often a natural response of the immune system, but monitoring the symptoms and seeking medical advice when necessary is important for proper management and treatment.