Q: My 35-month-old has had frequent fevers and a febrile seizure this month. Should we visit a larger hospital for tests?
- Myeongchan Kim, MD
- 7 hours ago
- 4 min read
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:

My 35-month-old toddler has had very frequent fevers over the past month. Here is the timeline:
Nov 13: Fever lasted for 4 full days, max 39.4°C, diagnosed with tonsillitis.
Nov 27: Had a fever, but it went down after 1 dose of a fever reducer.
Dec 1: Max 39.2°C, experienced their first febrile seizure. The fever went down while receiving an antipyretic injection.
Dec 5: Fever for 4 full days, confirmed 2 types of pneumonia bacteria.
Dec 14-15: Ear infection (otitis media), fever at 38°C.
Dec 19: Fever at 38°C.
Given this pattern, should we go to a larger university hospital for tests? If so, what kind of tests should we get?
Answer:
It must be very stressful for you to see your child go through multiple fever episodes and a febrile seizure in just one month.
Current Situation Summary
Over the past 5 weeks, your child has had 5 fever episodes (ranging from tonsillitis to pneumonia and ear infections), reaching up to 39.4°C, and experienced one febrile seizure. Although each episode was diagnosed and treated at a pediatric clinic, the short intervals between fevers are understandably concerning.
Reassurance & Next Steps
Since 35-month-old toddlers are still developing their immune systems, having 6 to 8 infections per year can be completely normal. However, five episodes in a single month along with a febrile seizure does require a pattern evaluation.
Because each episode involved a different infection site (tonsils, lungs, ears) and responded to treatment, it is highly likely that these are simply repeated, independent infections picked up from the environment. Nevertheless, running some basic checks to rule out underlying immune, hematological (blood), or structural issues would be a helpful next step.
Questions to Ask Your Current Pediatrician
Before rushing to a larger hospital, it is best to visit your primary pediatrician and ask the following:
"Does this frequency and pattern of fevers warrant further evaluation?"
"Would basic blood tests (CBC, CRP, ESR) and checking immunoglobulin levels be helpful right now?"
"What is the best observation plan to reduce the risk of another febrile seizure?" (e.g., early use of fever reducers, temperature monitoring intervals).
"Do we need a referral to a university hospital at this stage, or should we continue to observe?"
When to Consider a Larger Hospital
Under your pediatrician's guidance, a referral to a pediatric infectious disease, immunology, or hematology-oncology specialist may be considered if any of the following apply:
Fevers do not drop within 48 to 72 hours despite appropriate antibiotic treatment.
Stagnant weight gain or weight loss.
Enlarged lymph nodes, liver, or spleen, accompanied by persistent fatigue or paleness.
Repeated skin abscesses, oral ulcers, or chronic diarrhea and abdominal pain.
A family history of immunodeficiency, autoimmune diseases, or blood disorders.
What You Can Do at Home Now
Keep a Symptom Diary: Record the start date of the fever, highest temperature, accompanying symptoms (cough, runny nose, ear pain, appetite, urine output), response to fever reducers, and antibiotic use.
Febrile Seizure Precautions: Discuss an early-intervention plan with your doctor. This usually involves administering fever reducers early (e.g., at 37.5°C) and monitoring their temperature and behavior closely.
Hydration & Nutrition: Prevent dehydration during high fevers by checking that your child is urinating every 4 to 6 hours. Supplement with protein and vitamins during the recovery phase.
Hygiene & Ventilation: Minimize cross-infection at daycare and within the family through strict handwashing and frequent home ventilation.
Warning Signs (Seek Immediate Medical Care)
Visit your pediatrician or an emergency room immediately if you notice any of the following:
🚨 Difficulty breathing (chest retractions, nasal flaring, wheezing).
🚨 Decreased consciousness (unable to make eye contact, unusually lethargic, or hard to wake up).
🚨 Recurrence of a seizure (lasting more than 5 minutes or repeating within a 24-hour period).
🚨 No urination for more than 8 hours accompanied by dry lips and tongue.
🚨 Abnormal bleeding (frequent nosebleeds, bleeding gums, or bruising very easily).
🚨 A stiff neck paired with a severe headache or vomiting.
Summary:
While multiple infections can happen as your toddler's immune system matures, this specific frequency requires a professional review. Start by discussing a basic blood and immunity workup with your current pediatrician. If the results show any abnormalities, they will provide you with a referral to a larger hospital for specialized testing. Continue to manage fevers promptly at home and seek immediate evaluation if any warning signs arise.

For extra peace of mind and clear guidance when tracking your child's symptoms, the FeverCoach app is always there to help.

