What it is
A mildly low count often needs only a repeat test.
A very low count, especially of neutrophils, increases the risk of serious infection, and treatment depends on the cause.
Common signs
- Often no symptoms
- Frequent or long-lasting infections
- High temperature
- Mouth ulcers
How it is usually diagnosed
- Full blood count with differential
- Repeat blood tests
- Further tests depending on the cause, sometimes a bone marrow test
Records worth keeping
Keeping these together makes each appointment easier, especially when you see a new doctor:
- Full blood count results over time, including neutrophils
- A list of medicines
- Haematology letters
Questions to ask your doctor
- What is causing my low count?
- How low is it, and is it a risk?
- What should I do if I get a fever?
When to get help right away
Call 112 or go to the nearest emergency department if you have:
- A temperature of 38°C or above, or feeling suddenly very unwell, while known to have a very low count or on chemotherapy: get urgent medical help
This page is general information. It is not a diagnosis and does not replace a doctor who knows your history. Medfold keeps your records organised; it does not interpret them.