Stethoscope head cover (10) for covering a patient contacting site of a stethoscope head, the cover comprising: a ring-shaped mounting portion (11) for coupling the cover to an outer circumferential rim of the stethoscope head (1), the mounting portion comprising a membrane receiving portion (13) for attaching a membrane (15) thereto; a shield (17) extending from the mounting portion that is configured to overlap a part (5,9) of the stethoscope head which is spaced from the patient contacting site; and holding means (12) for holding the stethoscope head cover to the stethoscope head.