Fevers in Children: What Parents Should Know

When your child’s head feels warm, or they seem unusually tired or fussy, your first instinct may be to check for a fever, and that would be right! Fevers are a common part of childhood and one of the body’s natural ways of fighting infections. While a fever can feel scary, especially in a young child, it’s usually a symptom rather than an illness itself. Understanding what fevers are, when to treat them, and when to contact your pediatrician can help you care for your child with confidence.

A fever is defined as a temporary increase in body temperature, usually in response to an infection. Normal body temperature varies slightly from person to person, but a temperature of 100.4°F (38°C) or higher generally indicates a fever. Common signs include the body and head feeling warm, flushed cheeks, sweating, shivering, and changes in behavior like irritability or unusual sleepiness. Some children may also experience headaches, body aches, or tummy discomfort.

In infants younger than 3 months, even a slight fever can be more concerning because their immune systems are still developing. For older children, mild to moderate fevers often accompany common infections like colds, the flu, or ear infections. While fevers can make kids uncomfortable, they usually go away as the underlying illness improves. Newborns and young infants require special attention when it comes to fevers. Babies younger than 3 months should be evaluated by a pediatrician immediately if their temperature reaches 100.4°F (38°C) or higher, even if they appear otherwise comfortable. Fevers in very young infants can be a sign of a serious infection and should not be ignored. Between ages 3 months and 3 years, fevers can typically be monitored at home if your child behaves relatively normally, is eating and drinking, and is not unusually irritable or lethargic. However, if your child develops additional concerning symptoms, such as trouble breathing, persistent vomiting, a stiff neck, a rash that doesn’t fade when pressed, unusual drowsiness or if the fever persists for 3 days, please call the doctor right away.

While fevers are uncomfortable, they aren’t inherently dangerous. In fact, they’re part of your child’s immune system, working to fight off infection. Very high fevers are less common in children than many parents expect, and most fevers under 104°F do not need aggressive treatment if your child is otherwise acting reasonably well. Keeping your child comfortable and observing them carefully is typically the first step. Fevers can vary throughout the day and may rise in the late afternoon or evening before settling down overnight. It’s important to use a reliable thermometer and follow instructions carefully for the most accurate reading. Don’t rely on feeling their forehead or other parts of their body alone, as temperatures can be misleading.

If your child is uncomfortable, acetaminophen and ibuprofen are common medications that can be used to reduce fever and relieve pain. Acetaminophen can be given to children 2 months and older when properly dosed by weight and age. Always call your Pediatrician prior to giving Acetaminophen to an infant under 3 years old as infants this young are typically evaluated in office first.  Ibuprofen is generally recommended for children 6 months and older. Always follow the dosing instructions on the label or as provided by your pediatrician, and never give aspirin to children, as it’s associated with Reye syndrome, a rare but serious condition.

Remember that medication is meant to make your child more comfortable, but it does not cure the fever itself. If your child is playing, drinking fluids, and otherwise acting normally, a fever alone does not necessarily need to be treated. Keeping them hydrated and ensuring they get enough rest is often enough.

Fevers are a common part of childhood illness, and while they may cause parents to worry, most are not harmful and can be managed with careful observation and comfort measures. If you have questions about how to take your child’s temperature, when to give medication, or when to call for medical help, please contact our office. 

What to Know About Tylenol

As a parent, you’ve likely reached for Tylenol (the brand name for acetaminophen) at some point, whether to ease your baby’s fever or soothe teething pain. Recently, some headlines and social media posts have raised questions about whether acetaminophen could be linked to autism or other developmental conditions. Understandably, this has caused concern for many families. According to the American Academy of Pediatrics (AAP), Tylenol is safe for children when used as directed, and there is no link between acetaminophen use and autism.

Decades of studies have shown that acetaminophen, when taken in the correct dose, is an effective and safe way to relieve pain and reduce fever in children. Millions of families have used it for more than 70 years, and it remains one of the most trusted medications in pediatric care.

Some recent claims online have suggested a possible connection between acetaminophen use during pregnancy or early childhood and autism spectrum disorder (ASD). However, according to the AAP, these claims are not supported by credible scientific evidence. The research cited in those claims is inconsistent and does not demonstrate a cause-and-effect relationship. In fact, when experts have reviewed all available data, the conclusion is clear: acetaminophen does not cause autism.

When a child is sick, comfort and safety are a parent’s top priorities. Acetaminophen remains one of the safest options for managing fever and pain relief, especially compared to other alternatives. It can be used for children of all ages, including infants, as long as the correct dose is given based on the child’s weight and age.

Here’s what parents can keep in mind for safe use: 

  •     Always follow dosing directions carefully. The right dose depends on your child’s weight, not just their age. Your pediatrician or the medication label can help guide you.
  •     Use the right measuring device. Household spoons are not accurate. Use the syringe or cup that comes with the medication.
  •     Keep track of timing and doses. Avoid giving more than the recommended amount within 24 hours.
  •     Consult your pediatrician if your child’s fever lasts more than a few days or if you’re unsure about dosing.

 

When used as directed, acetaminophen can safely relieve discomfort from teething, colds, ear infections, or even post-vaccine soreness. It’s also a recommended fever reducer for infants under 6 months old (since ibuprofen is not yet safe for that age group).

Some parents have also asked whether taking acetaminophen during pregnancy could affect a baby’s development. The AAP notes that current research does not prove a link between acetaminophen use in pregnancy and autism or ADHD. Pregnant individuals are encouraged to discuss all medications with their healthcare provider, but acetaminophen remains one of the few pain and fever relievers considered safe to use when needed.

It’s easy for misinformation to spread quickly online, especially when it comes to children’s health. The AAP continues to closely review new studies, and its guidance is based on a careful scientific review, not trends or headlines. Your pediatrician is also here to help you navigate these questions and ensure your child gets the care they need. If you have questions about medications, dosing, or managing fever and pain at home, please contact our office.