20 Signs Your Baby Might Be Sick — and When to See a Doctor

When your baby is sick or seems to be, your priorities change fast. That’s especially true if you’re a new parent, still learning how to decipher your child’s cries and settling into a reasonable sleeping pattern, because now — on top of the stress of taking care of a young child — you’re worried about their health and whether you need to make a visit to your pediatrician’s office. Babies can contract any number of maladies, and because their immune systems are still maturing, the Cleveland Clinic notes that they’re especially susceptible to viruses and bacterial illnesses. That includes everything from stomach bugs to the flu and RSV, all of which can become serious when infants struggle to fight them off.

So, as a parent, that means it’s important to pay close attention to your baby’s health. That includes keeping them up to date on vaccines and limiting their exposure to other people, the Cleveland Clinic says, such as asking visitors to wash their hands before touching your child. But when it comes to the key symptoms to watch out for, how can you tell when your baby is just fussy and tired or when they may have a cold starting? And even more important, how can you tell when your baby is really sick and needs prompt medical attention?

Always Speak to Your Doctor About Baby Sickness Concerns

Before we start, a word of caution from the experts. Jennifer Miles, MD, a pediatrician with St. Tammany Pediatrics, tells SheKnows that while there are certain symptoms of illness in babies, this subject is pretty broad. The lists below are definitely not all-inclusive, so if your baby is exhibiting symptoms that don’t match what we have here, it doesn’t necessarily mean they’re in the clear. You should always speak with your doctor about symptoms to watch out for and contact them if you have questions or concerns.

“Parents should contact their pediatrician for instructions regarding an acute illness,” Dr. Miles explains. “Having a ‘medical home’ with a pediatrician that knows your child will provide the best care.”

With that in mind, here are some symptoms of sickness in babies that you should look out for.

Baby Illness: When to Go to the Doctor

Dr. Miles listed some of the signs and symptoms that would warrant a doctor’s visit. They can include:

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