Understanding Fever Symptoms and When to Seek Medical Attention
What is a Fever?
A fever is a natural response of the body to an infection, characterized by a rise in body temperature above 100°F (38°C). The average body temperature is 98.6°F (37°C), but it can vary slightly from person to person.
Fever Symptoms by Age
Fever symptoms can differ depending on age, and it’s essential to know what to look out for in different age groups.
- Adults: A fever is considered above 100°F (38°C) oral temperature and 100.4°F (38°C) rectal temperature. Symptoms may include chills, shivering, sweating, muscle aches, headache, dehydration, general weakness, and fatigue.
- Pregnancy: Fever symptoms during pregnancy are similar to those experienced by non-pregnant individuals. However, the threshold for safety differs, and it’s crucial to call the doctor if the temperature exceeds 101°F (38°C).
- Children (3+ years old): A fever is considered above 100°F (38°C) oral temperature and 100.4°F (38°C) rectal temperature. Additional symptoms may include irritability, behavior changes, difficulty waking, difficulty breathing, infrequent urination, burning while urinating, and abdominal pain.
- Babies (Under 3 years old and infants): A fever is generally considered 99°F (37°C) for an armpit temperature and 100.4°F (38°C) rectal temperature. Additional symptoms may include poor feeding, problems waking up, feeding problems, decreased urine output, heat rash, or dark rash.
Thermometer Use 101
Taking an accurate temperature reading is crucial in determining whether you have a fever. There are several ways to take a temperature, including oral, rectal, armpit, tympanic, temporal, and non-contact infrared thermometer (NCIT) methods.
Fever Causes and Complications
Bacterial and viral infections are the most common causes of fever. While fevers aren’t all bad, they can sometimes come with complications, especially in children and individuals with compromised immune systems.
When to Call a Doctor
It’s essential to know when to seek medical attention based on age, additional medical conditions, and accompanying symptoms.
- Newborns and infants under 3 months: Call the doctor if the temperature exceeds 100.4°F (38°C).
- Children 3 to 6 months old: Call the doctor if the temperature exceeds 102°F (39°C) and shows unusual lethargy, discomfort, or irritability.
- Children 6 months to 3 years old: Call the doctor if the temperature exceeds 102°F (39°C) or higher and lasts more than 3 days.
- Adults: Call the doctor if the temperature exceeds 103°F (39°C) and lasts more than 3 days, or if you have a compromised immune system or underlying medical condition.
Prevention
While there’s no way to prevent a fever once you’re sick, you can take preventative measures to prevent illness in the first place by practicing good hygiene, getting enough sleep, and eating a balanced diet.
Remember, if you’re concerned about a fever, it’s always best to err on the side of caution and consult with a healthcare professional.
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