When should I take my baby to the emergency room immediately?

Seek immediate care if your baby has: breathing difficulty (rapid breathing, grunting, chest retractions), blue or purple lips/skin, seizures, extreme lethargy or unresponsiveness, fever in a baby under 3 months, persistent vomiting with signs of dehydration, or head trauma.

Is any fever in a baby an emergency?

It depends on the age. In babies under 3 months, any fever (37.8°C / 100°F or above) is an emergency and requires immediate evaluation. Between 3-6 months, fever above 39°C or with irritability needs same-day evaluation. Over 6 months, fever lasting more than 3 days or above 39.5°C requires medical assessment.

What are the signs of breathing difficulty in a baby?

Signs of respiratory distress include: rapid breathing (over 60 breaths/minute in newborns), retractions (skin pulling in between or below the ribs), nasal flaring, grunting sounds when breathing out, and cyanosis (blue lips or skin). Any of these signs requires urgent evaluation.

What situations can wait for a routine appointment?

Non-urgent situations include: low-grade fever (up to 38°C) in a baby over 3 months who is active and feeding well, a simple cold without high fever, colic (baby feeds well and gains weight), mild diaper rash without signs of infection, and questions about development, sleep, or feeding.

When to Take Your Baby to the Pediatrician: Warning Signs Every Parent Should Know

When should you take your baby to the pediatrician? This is one of the most frequent — and most anxiety-inducing — questions parents face. In this complete guide, I will help you identify warning signs, differentiate urgent situations from those that can wait, and give you the confidence to make decisions. If you are an expat family in Sao Paulo, our guide to pediatric care in Brazil covers how to access emergency services.

Seek Medical Attention IMMEDIATELY If:

• Breathing difficulty (rapid breathing, grunting, chest retractions)
• Blue or purple lips/skin
• Seizure or abnormal movements
• Baby is extremely limp, does not respond to stimulation
• Fever in a baby under 3 months
• Persistent vomiting with signs of dehydration
• Significant bleeding
• Head trauma (fall, hit to the head)

Warning Signs by Age

Newborn (0-28 Days)

Fever (37.8°C / 100°F or above, axillary)

Any fever in a baby under 3 months IS AN EMERGENCY. Seek medical attention immediately.

Severe Jaundice (Yellowing)

Yellowing that spreads rapidly, reaches palms/soles, or baby becomes excessively sleepy. This should be evaluated at the first pediatric appointment.

Feeding Refusal

Will not breastfeed or take a bottle, goes more than 4 hours without feeding (when awake).

Projectile Vomiting

Forceful vomiting — not just normal spit-up. May indicate intestinal obstruction.

Babies 1-12 Months

High Fever

39°C (102.2°F) or above, or fever lasting more than 3 days, especially with irritability, lethargy, or skin rashes. See the temperature reference chart.

Dehydration

Dry mouth, tearless crying, sunken fontanelle, fewer than 4 wet diapers per day, dark urine.

Vomiting/Diarrhea

Persistent vomiting (more than 6 hours) or diarrhea with blood, mucus, or more than 8 episodes per day.

Persistent Cough

Cough with breathing difficulty, wheezing, or bluish lips.

Not sure if it's urgent?

Dr. Paula offers a WhatsApp channel for urgent questions. Sometimes all you need is a reassuring word.

Talk to the Pediatrician

What CAN Wait for a Routine Visit

Non-Urgent Situations

• Low-grade fever (up to 38°C / 100.4°F) in a baby over 3 months who is active and feeding well
• Simple cold with runny nose, no high fever or breathing difficulty
• Colic (intense crying, but baby feeds well, gains weight, passes gas)
• Mild diaper rash or eczema without signs of infection (open wounds, pus)
• Questions about sleep, feeding, or development (not emergencies)
• Normal spit-up/reflux without projectile vomiting, as long as baby gains weight

Fever: The Most Common Warning Sign

Fever is NOT a disease — it is a symptom. But it needs to be evaluated correctly (see also our normal baby temperature chart):

Under 3 Months

Any fever (37.8°C / 100°F or above) is an emergency. Seek medical attention IMMEDIATELY.

3 to 6 Months

Fever above 39°C (102.2°F) or any fever with irritability/lethargy requires same-day pediatric evaluation.

Over 6 Months

Fever lasting more than 3 days, or above 39.5°C (103.1°F) that does not respond to medication, or accompanied by other concerning symptoms requires medical evaluation.

Breathing Difficulty: How to Identify It

Signs of Respiratory Distress

Rapid breathing: Over 60 breaths/minute in newborns, over 50 in older infants
Retractions: Skin pulling in between or below the ribs with each breath
Nasal flaring: Nostrils widening with each breath
Grunting: Sounds when breathing out, as if in pain
Cyanosis: Blue or purple lips, tongue, or skin

For Expat Families: Navigating Emergency Care in Brazil

In Brazil, emergency pediatric care is available 24/7 at major hospitals. For expat families in Sao Paulo, hospitals like Albert Einstein, Sirio-Libanes, and Sabara Children's Hospital have English-speaking staff. If your situation is not an emergency but you need guidance, your pediatrician can often provide reassurance via WhatsApp or schedule a telemedicine consultation within hours. Keeping your child's vaccinations up to date also helps prevent many of the conditions that lead to emergency visits.