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Cocaine-associated thrombocytopenia.

M J Burday¹, S E Martin

¹Department of Medicine, Medical Center of Delaware, Newark 19718.

The American Journal of Medicine

|December 1, 1991

Summary

Intravenous cocaine use can cause a dangerous drop in platelets (thrombocytopenia) in men. This condition, marked by bleeding and increased megakaryocytes, may require treatments like steroids or splenectomy.

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Area of Science:

Hematology
Toxicology
Addiction Medicine

Background:

Cocaine is a widely used illicit drug with known cardiovascular and neurological adverse effects.
The association between recreational drug use and hematological complications is an area of ongoing research.
Understanding drug-induced toxicities is crucial for comprehensive patient care.

Observation:

Four male patients presented with thrombocytopenia (low platelet count) temporally linked to intravenous cocaine use.
All patients experienced mucosal bleeding and evidence of megakaryocytic hyperplasia in bone marrow aspirates.
One patient demonstrated a clear recurrence of thrombocytopenia upon repeated cocaine administration, strengthening the causal link.

Findings:

Intravenous cocaine use is associated with the development of thrombocytopenia.
Clinical manifestations include bleeding and bone marrow changes indicating increased platelet production.
Successful treatment involved immunomodulatory therapies (IVIg, steroids) and, in one case, splenectomy.

Implications:

Thrombocytopenia should be considered in the differential diagnosis of bleeding disorders among intravenous drug users.
This finding expands the spectrum of known adverse effects associated with cocaine abuse.
Further research into the mechanisms of cocaine-induced thrombocytopenia may inform preventative and therapeutic strategies.

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