In our digital age, telemedicine becomes, under various forms, a useful companion for the traveler, providing access to up-to-date information about health and security risks, remote consultation of specialists to ascertain a diagnosis of select an appropriate treatment, connection to similar patients in order to obtain contextualized advice, biomedical sensors and other monitoring and diagnostic portable tools, as well as transportable electronic health records enabling continuity of care and mobility. Commercial telemedicine services are being developed specifically for travelers, most of which are using mobile phones as the main device, which thus becomes a real telestethoscope.