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Sick baby? When to seek medical attention

Babies can get infections and fevers. When they do, it can be hard for parents to know whether the baby is just being fussy or if the baby is ill and needs medical care. Here’s information to help you know when to call your baby’s healthcare professional and when to seek emergency care for a sick baby.

An illness now and then in a baby who’s healthy most of the time is nothing to worry about. But here are times when contacting your baby’s healthcare professional is a good idea.

Call if your baby misses two or more feedings in a row or eats poorly.

Call if your baby is sleeping more or is hard to awaken. Let the health professional know if your baby seems floppy, is crying more than usual or is very hard to calm.

Call if your baby’s penis or belly button area changes color or starts to ooze or bleed.

Call for any fever if your baby is younger than 3 months old.

Call if your baby is 3 to 6 months old, has a temperature up to 100.4 degrees Fahrenheit (38 degrees Celsius) and seems sick. Also call if your baby has a temperature higher than 100.4 degrees Fahrenheit (38 degrees Celsius).

Call if your baby is 6 to 24 months old and has a temperature higher than 100.4 degrees Fahrenheit (38 degrees Celsius) that lasts more than one day. If your baby also has symptoms such as a cold, cough or diarrhea, you may want to call your baby’s healthcare professional sooner. This might depend on how bad the symptoms are.

If you haven’t already called your baby’s healthcare professional, call if your baby’s fever lasts more than three days.

Call if your baby passes more than three stools that are very loose or watery.

Call if your baby passes stool less often for a few days. Also call if your baby seems to be struggling or uncomfortable or has a bloated belly.

Babies spit up sometimes. But vomiting is when the flow shoots out rather than dribbles from the mouth. Call if your baby vomits after feedings or your baby hasn’t kept liquids down for eight hours.

Call if your baby cries with fewer tears, has fewer wet diapers or has a dry mouth. Your baby’s soft spot on the head might look sunken.

Call if your baby has trouble breathing, ear pain or a cough with fast or hard breathing. Call for other symptoms that last more than 10 days.

Call if the rash comes on quickly, blisters or looks infected. Call if your baby also has a fever.

If one or both of your baby’s eyes are red or swollen or have a discharge of mucus or pus, contact a healthcare professional.

If you’re worried about your baby’s symptoms, make the call. After regular business hours, you may be able to use a 24-hour nurse line.

Get care right away for:

Other symptoms that need care right away include:

During a checkup, ask your baby’s healthcare professional what to do and where to go if your baby needs emergency care. Learn basic first aid, including CPR. And keep emergency phone numbers and addresses handy. If you have a cellphone, put medical and emergency numbers in your contacts.

To help the medical staff know what’s happening with your baby, be ready to answer questions about:

Before you contact your baby’s healthcare professional, be ready to take notes. Write down the advice you get. Have the number of your pharmacy ready too.

Being prepared will save you and your baby’s healthcare professional time during a phone call, office visit, or in an emergency.

© 1998-2024 Mayo Foundation for Medical Education and Research (MFMER). All rights reserved.

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