Temperature is a basic measure of health. It indicates the body’s ability to regulate itself and fight off disease. The normal range of body temperatures varies depending on age, sex, and other factors.

In this article, we’ll provide a comprehensive guide to normal body values and fever, so you can better understand your own health.

What is Normal Body Temperature?

The normal body temperature for adults is roughly 98.6°F (37°C), although it can vary slightly depending on age, sex, and other factors. For young children and infants, the normal range is slightly higher, between 99°F (37.2°C) and 100.4°F (38°C).

The body’s temperature can also vary depending on the time of day, with it often being slightly higher in the late afternoon and evening.

What are the Different Types of Thermometers?

Thermometers come in various types, and each has its own temperature range and limitations. The most common types of thermometers include:.

Oral Thermometer: Used to measure temperature in the mouth. This thermometer can provide an accurate reading if used correctly.
Rectal Thermometer: Used to measure temperature in the rectum. This thermometer is recommended for infants and young children. It provides a more accurate reading than an oral thermometer because a rectal measurement is closer to the body’s core temperature.
Forehead Thermometer: Uses infrared technology to measure the temperature on the skin of the forehead. This thermometer is easy to use and provides fast results, but it may not be as accurate as other types of thermometers.
Ear Thermometer: Uses infrared technology to measure temperature in the ear. This thermometer is quick and easy to use but may not be as accurate as rectal or oral thermometers.
Pacifier Thermometer: A pacifier with a thermometer built-in. This thermometer is recommended for infants and young children but may not be as accurate as a rectal thermometer.

What is a Fever?

A fever is a temporary increase in body temperature that is usually a sign of an infection. Your body’s temperature will rise and fall throughout the day, but a fever is usually classified as a temperature of 100.4°F (38°C) or higher.

Fevers are typically caused by infections, but they can also be caused by inflammatory conditions, certain medications, or exposure to extreme temperature fluctuations (hypothermia or heat stroke).

What are the Symptoms of a Fever?

Common symptoms of a fever include:.

Headache
General weakness and fatigue
Muscle aches and joint pain
Sweating
Chills and shivering
Increased heart rate and breathing

When you have a fever, it’s important to stay hydrated and rest. Over-the-counter medications like acetaminophen or ibuprofen can help reduce fever and provide relief from symptoms.

In some cases, a doctor may prescribe antibiotics or other medications to treat an underlying infection.

When Should You Seek Medical Attention?

In some cases, a fever can be a sign of a serious underlying condition and requires immediate medical attention. Seek medical help if you experience:.

A fever of 103°F (39.4°C) or higher
A fever that lasts longer than three days
Difficulty breathing
Chest pain
Seizures or convulsions
Confusion or altered mental state

If you’re unsure about when to seek medical attention, it’s always better to err on the side of caution and contact your healthcare provider for advice.

Conclusion

Knowing your own body temperature and the signs and symptoms of a fever can help you stay healthy and address any health concerns promptly.

Always remember to take your temperature correctly, using the right type of thermometer and following the instructions carefully. If you’re not feeling well or are concerned about a fever, don’t hesitate to seek medical attention.