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Understanding My Child's Blood Test Results and Ongoing Fever
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Pediatric Medicine
Question #24129
136 days ago
228

Understanding My Child's Blood Test Results and Ongoing Fever

Maryam

After having 8 days of low gade fever and no other symptoms in a 6 year old his wbcs came out to be 25.6, hemaglobin 11.9 and platelets were 121. Then after two doses iv antibiotics and iv fluids following are the results. What could it mean? Today is 11th day and low grade fever still can come if we dont give panadol Peripheral Smear RBC’s: Appear to be generally mildly microcytic (equated for age 6y). Target cells are seen. Hb: 10.9 g/dL RBC count: 4.02 million/cu mm MCV: 78.1 fL MCH: 27.1 pg WBC’s: Total WBC count appears to be increased, with increased lympho-monocytes (age equated). Atypical (plasmacytoid) lymphocytes, and frequent smudge cells are seen. Blasts are not seen. TLC: 21,480 cells/cu mm Neutrophils: 14% Lymphocytes: 78% Eosinophils: 1% Monocytes: 7% Basophils: 0% Platlet count 161 Platelets: Count seems to be slightly reduced. Occasional large forms are seen. No hemoparasites are seen. Impression: Microcytic anemia, with lymphocytosis, monocytosis, and mild thrombocytopenia.

How has your child's appetite been during this time?:

- Significantly decreased

Has your child experienced any other symptoms aside from fever?:

- Yes, fatigue or weakness

Has your child been exposed to anyone who is sick recently?:

- Not sure
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Doctors' responses

Your child’s reports show three main findings: mild anemia, a high white blood cell count mainly due to lymphocytes, and mildly low platelets earlier that are now improving. The high lymphocyte count with atypical lymphocytes and no blasts most commonly suggests a viral infection rather than a bacterial infection or leukemia. Viral illnesses such as infectious mononucleosis (EBV), CMV, or other common childhood viruses can cause prolonged low-grade fever, fatigue, poor appetite, enlarged lymphocytes, and temporary changes in blood counts. The improvement in platelet count after treatment is reassuring. The microcytic anemia (low MCV with target cells) likely indicates iron deficiency, which is common in children and usually unrelated to the fever.

However, since the fever has lasted more than 10 days, further evaluation is important. Your child should be reviewed by a pediatrician for tests such as CRP/ESR, viral markers (EBV/CMV), blood culture if needed, iron studies, and possibly repeat CBC to monitor trends.If symptoms persist or worsen, or if there is weight loss, persistent fatigue, lymph node swelling, or night sweats, more detailed testing may be required.

Overall, this picture most likely suggests a prolonged viral infection with mild iron-deficiency anemia, but continued fever means medical follow-up is necessary to rule out other causes.

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Hello dear See as per clinical history following disease can be diagnosed Thrombocytopenia anemia Infection ( associated with increased wbc especially lymphocytes) I suggest you to please get in person consultation with general physician medicine for better clarity and for safety please donot take any medication without consulting the concerned physician Regards

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Based on the blood results and the persistent low-grade fever, it’s important to consider a few points moving forward. Your child’s elevated white blood cell (WBC) count, particularly the lymphocytosis and monocytosis, could indicate a viral infection or possibly a more chronic inflammatory condition. While bacterial infections usually increase neutrophils, viral infections or conditions like mononucleosis can result in increased lymphocytes. The presence of atypical lymphocytes, often associated with viral infections like Epstein-Barr virus, might suggest this possibility as well.

The mild microcytic anemia you’re seeing, with a slightly low hemoglobin and microcytic red blood cells, can be related to iron deficiency anemia, which is common in children and could be exacerbated by an illness. The target cells observed are consistent with certain types of hemoglobin disorders or iron deficiency as well. Given the platelets’ improvement post-treatment, it seems the thrombocytopenia might have been transient, possibly linked to the underlying infection or a reaction to it.

While some improvement is observable since the treatment, the continuation of fever without Panadol and the specific blood findings suggest it’s important to continue monitoring and potentially performing further tests, guided by your pediatrician. They may consider further viral studies, a detailed clinical examination, or even hematology consultation if the lymphocytosis and atypical cells persist, to exclude less common but important conditions such as autoimmune disorders or hematologic diseases. If the fever persists, be vigilant for any new or worsening symptoms and ensure follow-up with your healthcare provider promptly, as they can best coordinate next steps tailored to your child’s medical history and current condition.

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Hello

These reports most strongly suggest a viral infection, not luekemia

What it means overall: This looks like a prolonged viral illness with reactive blood changes. Antibiotics won’t shorten viral fevers, which explains why the fever persists without Panadol.

What to do next: Pediatrician review is important.

Consider CRP/ESR, EBV or viral testing if fever continues.

Monitor CBC again in 1–2 weeks to ensure WBC and platelets normalize.

Ensure hydration, nutrition, and iron evaluation later.

🚩 Go urgently if: high fever spikes, worsening weakness, bruising/bleeding, breathing issues, or swelling of lymph nodes/spleen.

I trust this helps Thank you Take care

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