Child cough: what it means and when to call the doctor
Most coughs in children come from a common cold and last one to three weeks, lingering after every other symptom clears. Call your pediatrician if the cough comes with fast or labored breathing, wheezing, a barking or whooping sound, a fever past three days, or if it is still going after three weeks.
How long it lasts
One to three weeks for a cold cough. Croup peaks over two or three nights. Whooping cough and walking pneumonia can drag on for a month or more.
School and daycare
A cough alone is not a reason to stay home. Keep your child home if the cough comes with a fever, if they are too tired to take part in the day, or if they cannot get through a sentence or a night's sleep without a fit.
What usually causes cough in kids
Wet, rattly cough with a runny nose. The most frequent cause by far, and it can linger two to three weeks.
A harsh, barking cough that is worse at night, often with a hoarse voice or a squeaky sound when breathing in.
Starts cold-like, then moves into the chest with wheezing and fast breathing. Watch babies under one closely.
Dry cough that arrives all at once alongside fever, body aches, and exhaustion.
Coughing fits that end in a gasp or a whoop, often worse at night and lasting weeks.
A dragging dry cough in school-aged kids who otherwise seem well enough to be up and about.
When to call a doctor
- Breathing fast, or you can see the ribs or belly pulling in with each breath
- Lips or face look blue or gray
- A barking cough with noisy breathing at rest
- Coughing fits that end in a whoop, a gasp, or vomiting
- Fever over 100.4°F lasting more than three days
- Any cough in a baby under three months
What helps at home
- Fluids, steadily. Thin mucus is easier to clear than thick mucus.
- A cool-mist humidifier in the bedroom overnight.
- For kids over one year, a teaspoon of honey at bedtime works about as well as over-the-counter cough syrup. Never give honey to babies under one.
- Sit in a steamy bathroom for ten minutes for a barking croup cough, or step outside into cool air.
- Skip over-the-counter cough and cold medicines under age six unless your pediatrician tells you otherwise.
Frequently asked questions
- How long should a child's cough last?
- A cough from a common cold usually peaks in the first week and fades over two to three weeks. Coughs that last longer than three weeks, or that get worse instead of better after ten days, should be checked by a pediatrician.
- Can my child go to school with a cough?
- Yes, if they are fever-free, sleeping through the night, and well enough to take part in the day. Keep them home if the cough comes with a fever, vomiting from coughing fits, or exhaustion.
- What does a croup cough sound like?
- Like a barking seal, harsh and dry, and almost always worse between midnight and 4 a.m. Croup often comes with a hoarse voice and a squeaky sound when breathing in. Steam or cool night air helps; noisy breathing at rest needs a doctor.
- When should I worry about my child's cough?
- Worry about the breathing, not the cough. Fast breathing, ribs pulling in, blue lips, wheezing at rest, or a cough in a baby under three months means call your pediatrician or go in now.
- What is going around that causes coughing right now?
- It changes week to week. Ickly tracks what parents at local schools and daycares are logging, so you can see whether cold, flu, RSV, or walking pneumonia is the one moving through your child's building.
Is it going around right now?
Parents log sick days at their own schools and daycares on Ickly, so you can see whether cough is part of something moving through your child's classroom this week.
See what's going around near youOther symptom guides
General information for parents, not medical advice. Always contact your pediatrician or emergency services if you are worried about your child.