Q: Can a 23-month-old toddler get sinusitis (a sinus infection)? Doctors give conflicting answers.
- Myeongchan Kim, MD
- Jun 18
- 3 min read
Updated: Jul 8
Medically reviewed by Sang Hyun Ahn, MD
Content edited by Myeongchan Kim, MD
This post is a dramatization of a question and answer session experienced by our actual medical reviewers. Please note that this content is for informational purposes only and does not constitute medical advice. Always consult with a qualified healthcare professional for any health concerns or before making any decisions related to your health or treatment.
Question:
Can a 23-month-old toddler get sinusitis (a sinus infection)? I am very confused because different pediatricians give me different answers. My baby has severe rhinitis, and when it lasts a long time, there is yellow nasal discharge. Sometimes, the yellow discharge is there right from the beginning. One pediatrician diagnosed my child with sinusitis and prescribed antibiotics, while another pediatrician told me that a 23-month-old is too young to develop sinusitis. Who is right?
Answer:
Yes, a 23-month-old toddler can indeed get sinusitis. It is completely understandable why you are confused, and I can explain why you might be hearing different opinions from different doctors.
Sinus Development and Sinusitis in Toddlers
While it is true that not all sinuses are fully developed in toddlers, some are present from birth:
At birth: The maxillary and ethmoid sinuses are already present (though small).
2 to 3 years old: The sphenoid sinus begins to develop.
7 to 8 years old: The frontal sinus begins to develop.
Because the maxillary and ethmoid sinuses are present in a 23-month-old, it is absolutely possible for a child of this age to develop inflammation or an infection in those specific areas.
Why Diagnosis Can Be Difficult
Pediatricians may disagree on the diagnosis because sinusitis in young children can be quite tricky to pinpoint:
Overlapping Symptoms: The symptoms are very similar to a standard common cold.
Imaging Challenges: It is difficult to accurately interpret sinus X-rays in infants and toddlers.
Similar Conditions: It can be hard to distinguish from severe rhinitis.
Natural Recovery: Many mild cases of sinus inflammation improve on their own without aggressive treatment.
When to Suspect Sinusitis
Common signs that point toward a sinus infection rather than a standard cold or rhinitis include:
A runny nose that lasts for more than 10 to 14 days without improvement.
Thick yellow or green nasal discharge accompanied by a fever.
A severe, persistent cough, especially during the daytime.
Facial pain or pressure (since toddlers cannot articulate this, they may just be unusually fussy or irritable).
Noticeable bad breath.
Differences in Treatment Approaches
Doctors generally fall into two camps when treating these symptoms:
Conservative Approach: Some doctors prefer to wait and only prescribe antibiotics if symptoms persist for more than two weeks without any signs of improvement.
Aggressive Approach: Other doctors may initiate early antibiotic treatment if they see thick yellow discharge combined with other concerning symptoms.
Depending on exactly how your child presented on the day of the appointment, a doctor's clinical judgment and treatment approach might vary.
Actionable Guidance and Recommendations
To best manage your child's symptoms moving forward, consider the following steps:
Keep a Symptom Log: Track the start date of the illness, the color and consistency of the nasal discharge, and any fevers. This is incredibly helpful for your doctor.
Maintain Consistency: Try to follow up with one primary pediatrician so they can observe the progression of your child's symptoms over time.
Symptom Relief: Using saline nasal drops or a gentle saline nasal wash can be very helpful in clearing out mucus and providing relief.
When to Seek Care: If your toddler's symptoms persist for more than 10 days without improvement, or if they develop a high fever, lethargy, or severe fussiness, please return to your pediatrician for an in-person evaluation to determine if antibiotics are necessary.
For extra peace of mind and clear guidance when tracking your child's symptoms, the FeverCoach app is always there to help.
