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Fever in adults

Learn about fever in adults, including causes, symptoms, treatments, and when to seek medical help. Stay informed for better health management.

Fever in adults

Learn about fever in adults, including causes, symptoms, treatments, and when to seek medical help. Stay informed for better health management.

Status
Medically Reviewed
Updated
Aug 01, 2024
Read Time
8-10 min
Sections
6
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Content Sections

Description

Comprehensive information and evidence-based insights

5-7 min read Medically Reviewed

Fever in Adults: Understanding the Body's Natural Defense Mechanism

Fever in adults is a common physiological response characterized by an elevated body temperature, typically above 100.4°F (38°C). This increase in temperature is the body's natural defense mechanism against infections and illnesses, creating an environment less hospitable for pathogens like viruses and bacteria.

Understanding Normal Body Temperature

The average body temperature is generally considered to be 98.6°F (37°C), but this can vary from person to person and fluctuate throughout the day. It's not uncommon for body temperature to be higher in the late afternoon and lower in the early morning.

Classifying Fever

Fevers are categorized based on their severity:

  • Low-grade fever: 99.1 to 100.4°F (37.3 to 38.0°C)
  • Moderate-grade fever: 100.6 to 102.2°F (38.1 to 39.0°C)
  • High-grade fever: 102.4 to 105.8°F (39.1 to 41°C)

Associated Symptoms

Fever often comes with other symptoms, including:

  • Sweating and chills
  • Headache and muscle aches
  • Loss of appetite
  • Weakness and restlessness
  • Possible rash

When Medical Attention is Necessary

While fever is usually harmless, certain symptoms accompanying a fever warrant immediate medical attention:

  • Seizures or loss of consciousness
  • Confusion or stiff neck
  • Breathing difficulties
  • Severe pain or swelling
  • Unusual discharge or painful urination

Diagnosing the Underlying Cause

To determine the root cause of a fever, healthcare providers typically inquire about:

  • Other present symptoms
  • Recent surgeries or injuries
  • Recent vaccinations
  • New medications
  • Recent travel history

Managing Fever at Home

Fever can often be managed with home care methods:

  • Staying hydrated with plenty of fluids
  • Consuming light, easily digestible foods
  • Getting ample rest
  • Using over-the-counter antipyretic medications like ibuprofen or acetaminophen
  • Applying cool compresses or taking a lukewarm bath

While fever can be concerning, it's important to remember that it's typically a sign that your body is actively fighting an infection. However, if symptoms persist or worsen, it's always best to consult with a healthcare professional for proper evaluation and treatment.

Scientific References & Citations

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6 sections available Medically reviewed content

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