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Summary
A 65-year-old woman developed severe thrombocytopenia (low platelet count) due to the medication alprenolol. Discontinuing alprenolol quickly resolved the condition, indicating drug-induced platelet destruction.
Area of Science:
- Pharmacology
- Hematology
- Internal Medicine
Background:
- Beta-blockers like alprenolol are commonly prescribed for cardiovascular conditions.
- Drug-induced thrombocytopenia is a serious adverse drug reaction that can lead to bleeding complications.
Observation:
- A 65-year-old female patient presented with recurrent episodes of severe thrombocytopenia.
- Her platelet counts dropped below 10X10(9)/l on two separate occasions.
- These episodes were temporally associated with the use of alprenolol.
Findings:
- The patient's thrombocytopenia resolved rapidly upon cessation of alprenolol.
- Laboratory findings suggested increased platelet destruction as the underlying mechanism.
- This case strongly implicates alprenolol as the causative agent for the observed thrombocytopenia.
Implications:
- This case highlights the importance of considering drug-induced thrombocytopenia in patients presenting with low platelet counts.
- Clinicians should maintain a high index of suspicion for alprenolol-induced thrombocytopenia.
- Prompt discontinuation of the offending drug is crucial for patient recovery and preventing further complications.