Abstract: A device for eradicating at least one pathogen in a nasal passage of a human or animal may include a housing configured to be inserted into the nasal passage, at least one radiation source, configured to emit radiation, coupled to the housing such that at least a portion of a radiation emitting surface, upon insertion of the housing into the nasal passage, faces at least a portion of nasal lining of the nasal passage, and an electrical circuit carried by the housing and electrically connected to the at least one radiation source, the electrical circuit including at least one circuit component for controlling the at least one radiation source to emit the radiation to irradiate the nasal passage, the emitted radiation having a frequency or range of frequencies at which the at least one pathogen in the nasal passage, when irradiated by the emitted radiation, is eradicated.

Abstract: A photobiomodulation device may include a housing configured to be inserted into an external auditory meatus of a human ear, at least a one irradiation source coupled to the housing such that at least a portion of a radiation emitting surface thereof faces at least a portion of dermis of the external auditory meatus of the ear beneath which at least one of an arterial branch and a peripheral nerve branch of at least one cranial nerve is located, and an electrical circuit carried by the housing and configured to control the at least one radiation source to irradiate the at least one of the arterial branch and the peripheral nerve branch of the at least one cranial nerve through the at least a portion of dermis of the external auditory meatus of the ear.

Abstract: A photobiomodulation and audio therapy device may include a housing configured to be inserted into an external auditory meatus of a human ear, at least one irradiation source coupled to the housing, at least one speaker carried by the, and an electrical circuit carried by the housing and electrically connected to the at least one irradiation source and to the at least one speaker. The electrical circuit may control, with the housing inserted into the external auditory meatus, the at least one irradiation source to irradiate at least one of an arterial branch and a peripheral nerve branch of at least one cranial nerve through at least a portion of dermis of the external auditory meatus, and the at least one speaker to produce acoustic waves directed through the external auditory meatus and toward a tympanic membrane of the ear.