HIST 3791 Lecture Notes - Lecture 37: Head Louse, Pubic Hair, Body Louse
Document Summary
No drug causes but you can get pseudo-nits so sometimes when you are using hair products you have left over particles that look like nits. Pathophysiology tiny, blood-sucking insects that are specific parasites of humans. Head lice often spreads from large gathering of people (schools, hospitals, military barracks, daycares, etc. Pubic lice is associated with sexual contact with an infected person. Body lice is usually associated with poor hygiene. Pubic and hair lice are not related to class/socioeconomic status. Total life cycle is about 4-6 weeks. First stage: nits = 8-10 days before hatching. Second stage: 3 nymph stages for 8-15 days (head and body) or 14-22 days (pubic) before becoming adult. Third stage: female adult lay eggs ( 7-10 eggs/day) until they die. Visual confirmation of live lice or nits on head hair or. Differential diagnosis** pubic hair, or on the lining/seams of clothings.
