For U.S. Healthcare Professionals Only

Recognizing WHIM
Understanding the clinical manifestations of WHIM syndrome can aid diagnosis and make a difference for patients with this rare disease. Learn why WHIM syndrome needs your urgent attention.
Symptoms & Classification
Why Is Early Diagnosis Essential?
- Symptoms & Classification
- Why Is Early Diagnosis Essential?
Mechanism of Disease
Myelokathexis is present in ~100% of WHIM syndrome cases, even when other clinical features may be absent. Learn about the underlying physiological dysfunction that gives rise to WHIM syndrome.
WHIM Syndrome Pathophysiology
- WHIM Syndrome Pathophysiology
Diagnosis & Management
Find out more about diagnosing WHIM syndrome, which can help inform and guide patient management, improve outcomes, and minimize potential long-term complications.
Methods for Diagnosis
Management Approaches
- Methods for Diagnosis
- Management Approaches
WHIM Resources
Access resources to facilitate WHIM syndrome diagnosis with links to no-cost genetic testing programs and educational material downloads for HCPs and patients.
HCP Diagnosis Resources
Patient Resources
- HCP Diagnosis Resources
- Patient Resources
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You can also reach out to an X4 Rare Disease Specialist directly at X4RDS@X4pharma.com.

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