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Reminder of important clinical lesson
Transdermal hyoscine induced unilateral mydriasis
  1. Breffni Hannon,
  2. Valerie Jennings,
  3. Marie Twomey,
  4. Maeve O’Reilly
  1. Palliative Medicine Department, Our Lady’s Children’s Hospital, Dublin, Ireland
  1. Correspondence to Dr Breffni Hannon, breffnilhannon{at}


The authors present a case of unilateral mydriasis in a teenager prescribed transdermal hyoscine hydrobromide (scopolamine) for chemotherapy induced nausea and vomiting. The authors discuss the ocular side-effects associated with this particular drug and delivery system and the potential use of transdermal hyoscine as an antiemetic agent in this group.

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  • Competing interests None.

  • Patient consent Not obtained.

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