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In page Indication (medicine):

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However, there are still some challenges with incorporating the indication of use on prescription drug labels. Revealing the indication of use on prescription drug labels can breach patient confidentiality since the label will disclose private information publicly.[2] Some medications can also be used for multiple diseases and one disease may have multiple medications for its prevention or treatment, therefore adding an indication on prescription labels in these cases may cause some confusion and may not be able to actually fit onto the label.[2]