Akathisia with Erythromycin: Induced or precipitated?
Ankur Sachdeva1, Ruchika Rathee1
1Department of Psychiatry and Drug De-addiction, Post Graduate Institute of Medical Education and Research, Dr Ram Manohar Lohia Hospital, New Delhi, India.
Summary
Erythromycin may cause akathisia, a movement disorder. This adverse drug event resolved after stopping Erythromycin, suggesting a link between the antibiotic and akathisia.
Area of Science:
- Pharmacology
- Clinical Neurology
- Psychiatry
Background:
- Schizophrenia treatment often involves antipsychotics like Olanzapine.
- Akathisia is a common and distressing side effect of antipsychotic medications.
- Drug interactions can alter medication efficacy and safety profiles.
Purpose of the Study:
- To investigate the potential causal relationship between Erythromycin use and the development of akathisia.
- To analyze the clinical presentation and resolution of akathisia in a patient receiving Olanzapine and Erythromycin.
- To review existing literature on Erythromycin-induced movement disorders.
Main Methods:
- Case report of a patient with schizophrenia experiencing akathisia after Erythromycin initiation.
- Literature review focusing on Erythromycin as a potential cause of akathisia.
- Clinical observation of symptom resolution upon discontinuation of Erythromycin.
Main Results:
- The patient developed akathisia shortly after the addition of Erythromycin to his Olanzapine regimen.
- Akathisia symptoms significantly improved within 5 days of ceasing Erythromycin treatment.
- The findings suggest Erythromycin may induce or precipitate akathisia.
Conclusions:
- Erythromycin can be a potential iatrogenic cause of akathisia.
- This antibiotic may exacerbate or trigger akathisia, particularly in patients on concurrent psychotropic medications.
- Clinicians should consider Erythromycin as a potential trigger for akathisia in susceptible individuals.
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