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Summary
Embolia cutis medicamentosa, a rare side effect of injections, can cause skin necrosis. This condition, historically linked to heavy metal therapies, is now occasionally seen with phenylbutazone-containing antirheumatics.
Area of Science:
- Dermatology
- Pharmacology
Context:
- Embolia cutis medicamentosa is a rare secondary effect of intramuscular injections.
- Historically associated with bismuth and mercury injections for syphilis treatment.
- Currently observed less frequently, particularly with phenylbutazone-containing antirheumatics.
Purpose:
- To report three cases of embolia cutis medicamentosa.
- To discuss the potential mechanisms of this adverse drug reaction.
- To differentiate between embolic occlusion and local vascular events.
Summary:
- Three cases of skin necrosis following intramuscular injections are presented.
- The condition, embolia cutis medicamentosa, is discussed in relation to historical and current therapeutic agents.
- The pathogenesis is debated, considering both embolic phenomena and local vascular damage (necrosis or thrombosis) at the injection site.
Impact:
- Highlights a rare but severe adverse effect of intramuscular injections.
- Contributes to understanding the differential diagnosis of injection site reactions.
- Informs clinicians about potential risks associated with specific antirheumatic medications.