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[Peranal ulcers caused by ergotamine-containing suppositories].
A P Baptista1, A Mariano, A Machado
1Serviço de Dermatologia, Hospitais da Universidade de Coimbra.
Acta Medica Portuguesa
|January 1, 1992
Summary
Recurrent perianal ulcerations, a rare drug reaction, were observed in a migraine patient using ergotamine tartrate suppositories daily for years. Healing occurred upon discontinuation and recurrence upon reintroduction, suggesting a drug-induced vasospasm.
Area of Science:
- Dermatology
- Pharmacology
Background:
- Perianal ulcerations are uncommon, with drug-induced reactions being an exceptional cause.
- Long-term use of certain medications can lead to unexpected adverse effects.
Observation:
- A 64-year-old female presented with a 14-month history of recurrent, painless perianal ulcerations.
- The patient reported daily use of ergotamine tartrate suppositories for migraine treatment over 8-10 years.
Findings:
- The ulcerations were diagnosed as an ulcerated cutaneous drug reaction to ergotamine tartrate.
- Lesion healing after medication cessation and recurrence upon reintroduction confirmed the diagnosis.
- The mechanism is hypothesized to involve vasospasm of regional arterioles.
Implications:
- This case highlights the potential for suppositories to cause localized drug reactions.
- Physicians should consider medication side effects, including rare presentations like perianal ulceration, in differential diagnoses.
- Understanding drug-induced vasospasm is crucial for managing such adverse events.