6th February 2024

An 88-year-old female with Alzheimer’s dementia was brought into the emergency department for a suspected overdose.

An 88-year-old female with Alzheimer’s dementia was brought into the emergency department for a suspected overdose. She has taken an excess of an unidentified medication for nine months. The patient reports a 3-month history of worsening headache. Examination reveals generalised dry skin with evidence of scratch marks throughout. Patches of hair loss are noted, along with loss of eyelashes and eyebrows. Hepatomegaly was felt. US abdomen showed signs consistent with liver cirrhosis. Blood tests show hypercalcemia and hypertriglyceridemia. 

Which of the following would have been the medication she had accidentally taken?