Pediculus humanus and Phthirus pubis (Lice)
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Notes
Pediculus humanus and Phthirus pubis (Lice)
Pathology
Keratotic skin disorders
Actinic keratosis
Papulosquamous and inflammatory skin disorders
Atopic dermatitis
Contact dermatitis
Lichen planus
Pityriasis rosea
Psoriasis
Seborrhoeic dermatitis
Urticaria
Skin infections
Cellulitis
Erysipelas
Impetigo
Necrotizing fasciitis
Candida
Malassezia (Tinea versicolor and Seborrhoeic dermatitis)
Pediculus humanus and Phthirus pubis (Lice)
Sarcoptes scabiei (Scabies)
Human herpesvirus 6 (Roseola)
Measles virus
Parvovirus B19
Rubella virus
Varicella zoster virus
Coxsackievirus
Herpes simplex virus
Human papillomavirus
Poxvirus (Smallpox and Molluscum contagiosum)
Varicella zoster virus
Integumentary system pathology review
Acneiform skin disorders: Pathology review
Bacterial and viral skin infections: Pathology review
Papulosquamous and inflammatory skin disorders: Pathology review
Pigmentation skin disorders: Pathology review
Skin cancer: Pathology review
Vesiculobullous and desquamating skin disorders: Pathology review
Viral exanthems of childhood: Pathology review
Assessments
Pediculus humanus and Phthirus pubis (Lice)
USMLE® Step 1 questions
0 / 1 complete
High Yield Notes
5 pages
Questions
USMLE® Step 1 style questions USMLE
of complete
External References
First Aid
2022
2021
2020
2019
2018
2017
2016
Lice
disease vectors p. 147, 148
head/scalp p. 158
treatment p. 197
Mites/louse treatment p. 197
Relapsing fever
lice p. 158
Summary
Pediculus humanus and Phthirus pubis are types of lice that affect humans. Pediculus humanus is commonly known as head lice and primarily infects the scalp, whereas Phthirus pubis, is commonly known as pubic lice because it infests the pubic hair. Both types of lice are small parasitic insects that live close to the human skin sucking and feeding on blood. They can cause itching, redness, and irritation in the affected areas.
Pediculus humanus is most commonly spread through direct head-to-head contact or by sharing combs, and hats, whereas Phthirus pubis is commonly spread through sexual contact, but it can also be spread through close personal contact or by sharing personal items. Treatment for lice typically involves drugs like topical benzyl alcohol to kill the lice, and prevention requires proper body hygiene.
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