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Area of Science:

  • Pharmacology
  • Oncology
  • Oral Medicine

Background:

  • Hydroxyurea is a widely used antimetabolite for treating various benign and malignant conditions.
  • While generally well-tolerated, hydroxyurea can cause side effects requiring treatment modification.
  • Adverse events necessitate a balance between treatment benefits and drug-induced harm.

Observation:

  • A case report details oral ulceration in a patient undergoing hydroxyurea treatment for chronic myelogenous leukemia.
  • The patient developed a significant oral ulcer approximately 12 days after starting hydroxyurea.
  • The oral lesion showed marked improvement upon temporary or permanent discontinuation of hydroxyurea.

Findings:

  • Hydroxyurea treatment was associated with the development of oral ulceration.
  • Cessation of hydroxyurea led to a noticeable decrease in the severity and size of the oral lesion.
  • This case underscores a potential adverse drug reaction to hydroxyurea.

Implications:

  • Physicians and dentists should be vigilant for oral ulceration as a potential side effect of hydroxyurea.
  • Awareness of this association can lead to timely diagnosis and management of hydroxyurea-induced oral lesions.
  • This finding contributes to the understanding of hydroxyurea's side effect profile in clinical practice.