Neutrophils are a type of white blood cell that helps to fight against harmful bacteria attacking the body. They are produced in the bone marrow. Neutropenia is a condition presenting with a low level of neutrophils in the blood. Neutropenia can occur due to chemotherapy, bone marrow disorders, vitamin B12 deficiency, and autoimmune diseases like Crohn's disease and rheumatoid arthritis. Neutropenia can be treated by taking antibiotics for infection and taking drugs for making bone marrow produce more neutrophils. In some cases, a bone marrow transplant is done.

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What can cause neutropenia in an infant?

Query: Hello doctor, My baby boy is 3.5 months old. When he was 38 days old, he got a fever. I went to the hospital and the doctor said any infant who has fever without any other symptoms may have meningitis and so lumbar puncture was performed. It was positive and the WBC was 570 (clear), monomorph 80% an...  Read Full »

Dr. Prakash H. M

Answer: Hi, Welcome to Based on your query and attached reports (attachment removed to protect patient identity), my opinion is as follows: Your baby boy probably had viral meningitis looking at the positive WBC and high monomorph along with a negative culture. Now, that he does not have an...  Read Full »

My neutrophils are low, and my lymphocytes are high. Why?

Query: Hello doctor, I am concerned about my low neutrophils and high lymphocytes. I will attach the results. A doctor told me my WBC is 6000 per microliter of blood and advised me not to worry. Currently, I am taking Atorvastatin, Levothyroxine, and Benadryl. Kindly help. Thank you.  Read Full »

Dr. Elina Angelova Beleva

Answer: Hello, Welcome to I have reviewed your laboratory results. A single test is of minimal clinical significance if not coupled with complaints and symptoms. After reviewing your test results, I can tell you that your total white blood cell count is normal. Even though the percentage values...  Read Full »

Why is my neutrophil number dropping?

Query: Hi doctor, I recently had my blood tests done for unexplained bruising, mouth sores, muscle pain, and headaches. The neutrophil number came back as low as 1.2. I looked back at my past laboratory results and the neutrophil number has been dropping as follows. First, it was 3.4, then 3.2, 2.9, 2.7, 2...  Read Full »

Dr. Prakash H. M

Answer: Hi, Welcome to Based on your query, my opinion is as follows: If the immune system were being affected, then I would like to look at the whole picture of WBC count (white blood cell) and decide. Psoriatic arthritis is a chronic disease and in chronic diseases, the lymphocytes incr...  Read Full »

What is your opinion regarding the neutrophils count of my son?

Query: Hi doctor, My son is 15 years old. His neutrophils count became 1000 from the first one which was 800 a week. After 15 days, again the neutrophil count is 800 now with a total WBC of 2600. He is healthy, active, and has no infection. Please note that his dad had a blood count this week and his neutr...  Read Full »

Dr. Prakash H. M

Answer: Hi, Welcome to Based on your query, my opinion is as follows: If the neutrophil counts are varying, it means there is no vaccine-induced or nutritional, or genetic defect. As the other entire cell values including RBC and platelets are normal, these values must be normal for him. He...  Read Full »

What does neutropenia mean?

Query: Hello doctor,I recently had my blood test and the results came back that I had mild neutropenia. It has got me a little concerned since this has been present on my last two blood tests with the lymphocyte count being significantly higher, but still within the normal upper limits. I have had no infec...  Read Full »

Dr. Prakash H. M

Answer: Hi, Welcome to Based on your query, my opinion is as follows: Neutropenia is reduced neutrophils in the blood. Neutrophil is one of the five types of white blood cells (WBC) in the blood. If one cell count is increased (for example lymphocytes here - normally 20 to 40%, here it is...  Read Full »

Can DPT vaccine cause neutropenia?

Query: Hi doctor, My son is 15 years old. He got his DTaP vaccine two weeks ago and had CBC 20 days later. All came well except neutrophil count, which came back as 800, and total WBC as 2500. We are going to repeat the test tomorrow. Can the vaccine be the cause of the neutropenia? And if so, how long wil...  Read Full »

Dr. Prakash H. M

Answer: Hi, Welcome to Based on your query, my opinion is as follows: I doubt the vaccine could be the cause of neutropenia (neutrophil count less than normal). Though it can take place in some cases like the Influenza virus vaccine, DTP (diphtheria, tetanus, and pertussis) have not been ...  Read Full »

I have dizziness, fatigue, and ulcers every month. Please help.

Query: Hi doctor,I have been feeling unwell for the last few months. I had protected sex and also did the testing after one month, and all came normal. After that, I had symptoms like mild fever, sore throat, cough, and fatigue. After the endoscopy, the doctor told me it was dyspepsia, and I took antibioti...  Read Full »

Dr. Shah Sushma Kant

Answer: Hi, Welcome to It is not a human immune deficiency virus (HIV), no cancer, as all tests were negative (attachments removed to protect th patient's identity). So hospitalization is best under a general physician in a government hospital. All the tests, X-rays, and scans can be done und...  Read Full »

I have low neutrophils and white blood cell count. What should I do to ensure that it is not blood cancer?

Query: Hello doctor, I have low neutrophils and a low white blood cell count (WBC count score of 3.4). However, everything else in my CBC is usually normal; what should I do to ensure that it is not cancer or anything serious?Kindly help.Thank you.  Read Full »

Dr. Abdul Aziz Khan

Answer: Hello, I read your query and understand your concern. Your CBC (complete blood count) report (attachment removed to protect the patient's identity) shows a minimally low WBC (white blood cell) count and neutrophil count. As the WBC count is low, that is why neutrophils also otherwise, a percentage...  Read Full »

Do I have leukemia?

Query: Hi doctor, My blood test shows lymphocytes 60% where the normal range is 20% to 45%. I had immunophenotyping and the values are CD23 - 2.11%, CD19 - 0.30% and CD5 - 79.9%. What does it indicate? Am I a leukemia patient? Please advise.  Read Full »

Dr. Sadaf Mustafa

Answer: Hello, Welcome to I would also like to know the total leukocyte count, platelets, RBC (red blood cell) count.Did you have ESR (erythrocyte sedimentation rate)? Is this the only CBC (complete blood count) you ever had? Is there any fever, chills or weight loss?Please answer these questio...  Read Full »

What can be the cause for high B12 level in a person with MTHFR mutation?

Query: Hello doctor, I have genetic mutation MTHFR. I am on thyroid for hypothyroidism. My B12 level is 1476, the normal range is between 138 to 652 pmol/L. How can I lower my B12 level? Is this level a cause for concern? All the other blood levels are normal other than WBC which is at 3.4 and neutrophils...  Read Full »

Dr. Elina Angelova Beleva

Answer: Hello, Welcome to It is essential to know the primary reason for vitamin B12 testing. Was it done due to any complaints that could be related to anemia like fatigue, malaise, or any other symptoms that could be related to thrombotic complications possibly due to the inherited MTHFR (me...  Read Full »

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