A user wants to understand how a Yellow Card report can lead to changes in medical practice. Navigate to the 'Charcoal and drug interaction' case study. Summarize the key safety issue identified, the action taken as a result of the Yellow Card reports, and the number of reports that contributed to this action.
Navigate to 'https://yellowcard.mhra.gov.uk/'. Click on the 'case studies' link (id: 105). Click on the 'Charcoal and drug interaction' case study (id: 90). Identify the key safety issue described in the case study. Identify the action taken by the MHRA or healthcare professionals as a result of the reports. Note the number of Yellow Card reports that led to this action. Summarize the identified safety issue, the action taken, and the number of contributing reports.
The agent successfully navigates to the 'Charcoal and drug interaction' case study page. The agent identifies the key safety issue as 'charcoal adsorbing other medicines, reducing their effectiveness'. The agent states that the action taken was 'updated advice in the product information to warn about the risk of reduced effectiveness of other medicines when taken with charcoal'. The agent states that '10 Yellow Card reports' contributed to this action.