PEDICULOSIS AJEESH ML.pptx skin and hair

It includes all details about pediculosis

1. PEDICULOSIS HEAD LICE AJEESH .M.L.

2. GOALS Learn about Pediculosis Biology Treatment Prevention & Control

3. PEDICULOSIS 3  Infestation of the hairy parts of the body or clothing with the eggs, larvae or adults of lice. The three varieties that are parasitic to humans are Pediculus  humanus capitis (head lice), Pthirus pubis (crab lice), and Pediculus humanus corporis (body lice).

4. Head lice • Infestation of Pediculus capitis • Parasitic insect • Very common • Hair, eyebrows & eyelashes • Excessive itching & scratching • Unrelated to hygiene • Affects children 3-11yrs • Est. 6-12 million infestations annually • Spread from head-to-head contact • Feed on blood from scalp 4

5. Life cycle of head lice 5

6. Risk factors • Uncommon transmission - Sharing clothing, hair ribbons - Using infested combs, brushes, towels - Lying on a bed, couch etc. recently in contact with infested person The common way to diagnosis is to look for live insects ; nits are not always reliable 6

7. Pthirus Pubis tiny insects that live in coarse body hair including pubic hair, armpit hair, beards, chest hair, eyelashes, and eyebrows.  do not live on your head Feed on human blood 7

8. Life cycle 8

9. Symptoms The signs and symptoms you may have pubic lice are: itching around your genitals or back passage, especially at night when the lice are most active tiny blue spots around your genitals spots of blood or fine, gritty debris in your underwear visible lice or tiny eggs in your pubic hair. Pubic lice are usually diagnosed by visual identification of the adult lice, the eggs or empty egg sacs. Occasionally, they may look at the lice under a microscope to make the diagnosis. Adult pubic lice resemble crabs and move slowly compared to other lice. They are grey- coloured and smaller than  head lice . 9

10. Pediculus Humanus Corporis Unlike other types of lice it acts as a vector. C an transmit pathogens that cause human diseases such as epidemic typhus, trench fever, and relapsing fever. The signs and symptoms include itching which results in skin excoriations and secondary infections 10

11. Life cycle 11

12. Treatment of Pediculosis: Pediculus  humanus capitis : Prescribed medications like Spinosad, Malathion & Ivermection is used. Non-prescribed medications - Permethrin Pthirus pubis : A lice-killing lotion containing 1% permethrin or a mousse containing pyrethrins and piperonyl butoxide can be used to treat pubic (“crab”) lice.  Pediculus humanus corporis: C an be controlled by periodically changing clothes and bedding. The itching can be treated with topical and systemic corticosteroids & antihistamines. 12