When To Seek Medical Help For A Fever

how high of a fever for hospital

Fever is a common response to illness or infection, and it is usually harmless. However, a high fever can be a cause for concern and may indicate a serious problem. A fever is typically defined as a body temperature of 100.4°F (38°C) or higher. While most fevers will go away on their own, knowing when to seek medical attention is critical. For adults, a fever of 103°F (39.4°C) or higher is considered high grade and should be treated immediately. In children, a rectal temperature of 100.4°F (38°C) or higher may require medical attention, especially if the child is under three months old. If a fever is accompanied by other symptoms such as confusion, difficulty breathing, or a rash, it is important to consult a doctor or seek immediate medical evaluation.

Characteristics Values
Fever in infants (rectal temperature) 100.4°F (38°C) or higher
Fever in infants (oral temperature) 100°F (37.8°C) or higher
Fever in infants (3-6 months old) 102°F (38.9°C) or higher
Fever in infants (7-24 months old) 102°F (38.9°C) that lasts longer than one day
Fever in children (3 months or younger) 100.4°F (38°C) or higher
Fever in children (3-12 months old) 102.2°F (39°C) or higher
Fever in children (2 years or younger) 103°F (39.4°C) or higher
Fever in children (2+ years) 100.4°F (38°C) or higher
Fever in adults 103°F (39.4°C) or higher
High-grade fever 102.4 to 105.8°F (39.1 to 41°C)
Dangerous fever 104°F (40°C) or higher
Brain damage from fever 107.6°F (42°C) or higher

shunhospital

When to go to hospital for fever in adults

Fever is a natural response to many illnesses, and is usually harmless by itself. It is the body's way of fighting an infection, and a higher body temperature helps the immune system respond more vigorously to the attack, and makes it harder for these microbes to survive.

However, a high fever can be a cause for concern. If you have a fever, monitor its severity and duration. If your fever lasts for more than three days, spikes above 103°F (39.4°C), or is accompanied by symptoms like confusion, difficulty breathing, a rash, or a seizure, seek immediate medical attention.

If you have recently had a surgical procedure and have chills, a fever over 101°F, or notice redness, swelling or discharge along the incision site, contact your doctor. If you have a weakened immune system due to a long-term illness or treatment, seek medical help.

If your fever is accompanied by other symptoms, it may indicate a serious or life-threatening illness. Seek immediate medical attention if your symptoms include trouble breathing, swallowing or keeping fluids down, chest pain, belly pain, nausea or vomiting, or difficulty urinating.

If you have a fever, it is important to drink plenty of fluids to prevent dehydration, get plenty of rest, and take medication to help relieve aches and lower your temperature.

shunhospital

When to go to hospital for fever in children

A fever is usually a positive sign that your child's body is fighting off an infection. However, in some cases, a fever can indicate something more serious, and you should take your child to the hospital.

Firstly, it is important to note that a "normal" body temperature is 98.6°F (37°C), but this can vary from person to person and change throughout the day. Factors such as age, activity level, and others can influence body temperature.

If your child is under 3 months old and has a fever, you should call your child's pediatrician or take them to the hospital. A fever may be the only symptom of a serious illness in newborns, and bacterial infections in this age group can worsen quickly. If your baby is under 1 month old, a fever of 100.4°F (38°C) or higher is considered an emergency, and you should head to the nearest emergency department or call for emergency services. For children between 3 and 6 months old, a fever of 100.4°F or higher, along with irritability or sleepiness, is a cause for concern. If your child is between 2 and 3 months old, a fever of 102.2°F (39°C) or higher warrants medical attention.

For children older than 3 months, a fever that lasts for more than 72 hours is considered prolonged and may require medical attention. Additionally, if your child's fever is above 105°F (40.5°C) or does not decrease by 1-2 degrees after taking fever-reducing medication, you should take them to the hospital. Other concerning symptoms to look out for include seizures, confusion, difficulty breathing, rash, or if your child seems lethargic or inconsolable.

While fever itself is usually harmless, it is important to monitor your child's condition closely and seek medical attention if you are concerned or if the fever is accompanied by other worrying symptoms.

shunhospital

When to go to hospital for fever in infants

A fever is a common symptom in children and can occur when their body is responding to an infection or as a result of an inflammatory process. While fever is usually harmless, it can be worrying for parents, especially when it comes to infants. Here are some guidelines on when to take your infant to the hospital for a fever:

Infants under 3 months old:

If your infant is under 3 months old and has a fever, it is important to take them to the hospital or emergency department immediately. A fever in very young infants may be their only response to a serious illness. Call your child's pediatrician or doctor if your infant's temperature is 100.4 °F (38°C) or higher, with or without other symptoms. If you are unable to reach their pediatrician or schedule an appointment, skip urgent care and head directly to the nearest emergency department.

Infants 3 months to 3 years old:

For infants between the ages of 3 months and 3 years old, a fever of 102.2 °F (39°C) or higher is considered concerning. Call your doctor or pediatrician immediately if your child's temperature reaches this level. If your child is between 3 and 6 months old, also look out for irritability or sleepiness along with a fever.

Older children:

In older children, a fever of 104 °F (40°C) or higher is considered a high fever. Call your child's healthcare provider if their fever reaches this level or if the fever does not come down with fever-reducing medication. Also, seek medical attention if your child's fever lasts for more than 5 days, or if they exhibit extreme sluggishness or drowsiness along with the fever.

General tips:

  • Use a reliable digital thermometer to take your child's temperature accurately. Rectal temperature readings are considered the most accurate for infants and young children.
  • Dress your child in lightweight clothing and only use a light blanket or sheet in bed. Avoid overdressing or over-bundling them, as this can prevent body heat from escaping and make it harder to reduce their fever.
  • Keep your child well-hydrated with water, ice pops, soup, and gelatin. Avoid giving too much fruit juice or apple juice, and do not give sports drinks.
  • Treat the fever with fever-reducing medication such as acetaminophen (Tylenol®) or ibuprofen. Always check with your healthcare provider before giving any medication to your child.

shunhospital

How to treat a fever at home

A fever is a natural response to an infection. It is the body's way of fighting off the infection. While fever is usually harmless, a high fever can be very uncomfortable. Here are some ways to treat a fever at home:

Drink Plenty of Fluids

Staying hydrated is crucial when you have a fever. Drink lots of water to prevent dehydration. Other good options include ice pops, soup, and gelatin. For younger children, avoid giving too much fruit juice or apple juice, and do not give them sports drinks.

Take Medication

Over-the-counter medications such as ibuprofen, naproxen, acetaminophen, or aspirin (for adults) can help relieve aches and pains and lower your temperature. Be sure to follow the dosing directions on the package, especially when giving medicine to a child. For infants three months or younger, consult a doctor before giving any medication.

Get Plenty of Rest

Make sure to get plenty of rest when you have a fever. If you have a child with a fever, help them rest by reading them a story or playing gentle music.

Apply Cool Compresses

Using cool compresses or washcloths on the forehead and wrists can help bring down the temperature. Alternatively, you can take a slightly warm (not cool) bath.

Light Clothing

Wear light, loose-fitting clothing to help keep your body temperature down.

Eat Light Foods

Eat light, easy-to-digest foods. While it's important to eat, do not force yourself or your child to eat if you don't feel like it.

It is important to monitor your fever and seek medical attention if it persists for an extended period or is accompanied by other severe symptoms.

shunhospital

What causes a fever

Fever, or pyrexia, is the elevation of an individual's core body temperature above a 'set-point' regulated by the body's thermoregulatory centre in the hypothalamus. A fever is defined as a body temperature of 100.4 °F (38 °C) or higher.

Fever is usually a sign that the body is fighting off an infection. Most bacteria and viruses that cause infections thrive at normal body temperature, 98.6 °F (37 °C), so a higher body temperature helps the immune system respond more vigorously and makes it harder for these microbes to survive.

Fever can be caused by infectious agents such as viruses and bacteria, but it can also be caused by non-infectious agents. For example, autoimmune or inflammatory disorders such as arthritis or connective tissue illnesses can cause fevers. Amphetamine abuse and alcohol withdrawal can also elicit high temperatures, as can environmental factors such as heat stroke and related illnesses.

In babies, teething can cause a mild, low-grade fever (not over 101 °F or 38.3 °C). In adults, a low-grade fever may occur for 1 or 2 days after immunizations.

While fever is usually harmless, a high fever can be dangerous. If a fever lasts for more than 3 days, spikes above 103 °F (39.4 °C), or is accompanied by symptoms like confusion, difficulty breathing, a rash, or seizures, it's time to seek medical help. A fever of 105 °F (40.6 °C) or higher is considered very high and can threaten the integrity and function of proteins in the body. Brain damage from a fever is unlikely to occur unless the fever is over 107.6 °F (42 °C).

Frequently asked questions

A fever in adults is generally considered to be a temperature of 100.4°F (38°C) or higher. A high-grade fever is a temperature of 102.4 to 105.8°F (39.1 to 41°C).

For adults, a fever is usually not dangerous and can be treated at home. However, if your fever reaches or goes above 103°F (39.4°C) and is accompanied by any of the following symptoms, seek immediate medical attention: confusion, difficulty breathing, rash, dizziness, fatigue, vomiting, or a seizure.

A high fever in children can vary depending on their age. For children 0-3 months old, a temperature of 100.4°F (38°C) or higher is considered a high fever. For children 3-6 months old, a temperature of 102°F (38.9°C) or higher is considered a high fever. For children 2 years or younger, a fever of 102.2°F (39°C) or higher is considered a high fever.

A fever in children is often not a cause for concern and can be treated at home. However, if your child has a fever of 105°F (40.5°C) or higher, go to the emergency room immediately. Additionally, if your child has a fever and experiences a seizure, call 911 if the seizure lasts more than five minutes or if your child does not recover quickly.

Written by
Reviewed by
Share this post
Print
Did this article help you?

Leave a comment