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The impact on patient care of interventions made by a liaison clinical pharmacist visiting a busy inpatient palliative care unit were evaluated using a validated six-point scoring system. Interventions made in 13% of patients could improve patient care, save money or both, but rarely involved the drugs that are commonly used for symptom control in patients with terminal cancer. Advice to rationalize inappropriate drug regimens (53%) was the commonest intervention, followed by warnings about drug interactions (24%) and advice about therapeutic drug monitoring (8%). The interventions were evaluated by the pharmacist, a palliative medicine registrar and two independent doctors, confirming that the pharmacist was valid and accurate in assessing her own work. Although more than 60% of interventions could significantly improve patient care, compliance by medical and nursing staff with advice was only 55 …