A phototherapeutic device to perform a phototherapy treatment on a subject for healthcare including medical and/or dental, cosmetic, and/or other purposes. The phototherapeutic device comprises a lamp to emit light for treatment of the subject. The phototherapeutic device may also comprise a control system for controlling operation of the lamp； a cooling system for cooling the lamp； and a user interface for use by a user of the phototherapeutic device. The phototherapeutic device may also have various features to facilitate its use and/or treatment of the subject, such as, for example, an enhanced mobility of its lamp and/or an enhanced capability to provide feedback and/or other information to its user.
