Ectoparasitic Drugs Flashcards

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1
Q

What is the treatment for head lice at home?

A

Wash and dry items that can be washed
Soak combs and brushes in 130° water for 5-10 minutes
Furniture sprays, fumigation unnecessary
Vacuum floors and furniture

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2
Q

What is the treatment for head lice for family and friends?

A

check EVERYONE, treat anyone with it

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3
Q

How is lice spread?

A

hair to hair contact, NO PETS, survices under water for hrs

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4
Q

What do the OTC lice drugs do?

A

kill live lice only, not effective on nits

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5
Q

What is the pathology of OTC head lice drugs?

A

Prevents closure of sodium channels inhibiting repolarization resulting in spasm, paralysis, and death

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6
Q

When do lice die off the body?

A

live - more than day

nits - 1 week

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7
Q

What is the recommendatioin for second treatment with OTC lice meds?

A

9-10 days after

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8
Q

What are the risk factors for lice?

A

girls, children in preschool to middle school

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9
Q

What are the OTC drugs for head lice?

A

pyrethrins/piperonyl butoxide (RID)

Permethrin 1% (Nix)

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10
Q

What is pyrethrins/piperonyl butoxide (RID)?

A
approved for kids 2 yo and older
caution in pt allergic to ragweed or chrysanthemums
no residue
applied to dry hair
resistance a problem
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11
Q

What is permethrin 1% (NIX)?

A

approved for 2 mo and older
residual/residue effect last up to 14 days
applied to wash wet hair
less resistance

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12
Q

How do you put on OTC lice treatment?

A

Apply, covering entire strand from scalp to tip and leave on for 10 min
Wash out with warm water (can use a shampoo after Rid but not with Nix)
Manually remove all nits and lice
Avoid washing hair for 24-48 hours if possible; avoid swimming
Check entire head every 2-3 days for 2-3 weeks, removing any nits or lice
Retreat typically in 7-10 days

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13
Q

What is the prescription drugs for head lice?

A

benzyl alcohol lotion 5% (ULESFIA)
Ivermectin lotion 0.5% (SKLICE)
Malathion lotion 0.5% (OVIDE)
Spinosad 0.9% topical suspension (NATROBA)

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14
Q

What are the features of benzyl alcohol lotion for head lice?

A

kills lice, not nits, requires 2nd treatment in 9 days

approved ages 6 mo and up

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15
Q

What are the features of ivermectin lotion?

A

not ovicidal
one treatment usually effective
approved for ages 6 mo NS UP

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16
Q

How do you put on prescription lice treatment?

A

Apply to dry hair, leave on for 10 minutes, rinse with water

17
Q

What is the best thing for head life?

A

remove the nits

18
Q

What are the features of malathion lotion?

A

Pediculicidal and ovicidal
One application typically effective
Approved ages 6 years and up
Apply to dry hair and allow to dry naturally; shampoo after 8-12 hours.

19
Q

What is a huge caution of malathion lotion?

A

FLAMMABLE

20
Q

What are the features of spinosad?

A

Pediculicidal and ovicidal
One treatment usually effective
Approved ages 6 months and up
Apply to dry hair, leave on 10 minutes, rinse or shampoo

21
Q

What is the treatment for pubic lice?

A

lindane (KWELL)

22
Q

What are the features of lindane?

A

apply to dry hair, leave on for 4 min only, add small, amounts of water just enough to form a lather, immediately rinse off completely
manually remove all nits

23
Q

What is the caution and contra for lindane?

A

DO NOT use in neonates or szs

Caution with combining with anything that increases absorption and elderly

24
Q

What are the treatments for scabies?

A

permethrin 5% (ELIMITE)

crotamiton (EURAK)

25
Q

What are the features of permethrin 5%?

A

Thoroughly massage in 1/2 tube of cream (30gm) from head to soles of feet; leave on 8-14 hours then wash off with water (may repeat in 7 days if needed

26
Q

What are the features of crotamiton?

A

After bathing, thoroughly massage in from chin down; use a toothbrush or other small brush to work Eurax under nails
Change clothes and linens next morning
Apply again in 24 hours
Bathe normally 48 hours after last application

27
Q

What do you need to think about with lice treatment lotions?

A

make sure you have enough to actually cover hair

28
Q

How is body lice spread?

A

person to person contact, pets do not transfer, carry disease

29
Q

What lice carries disease?

A

body lice

30
Q

What is the best treatment for body lice?

A

wash clothes in hot water, increase hygiene - should take care of this issue

31
Q

How are pubic lice spread?

A

sexually

32
Q

How do you spread scabies?

A

CLOSE PROLONGED CONTACT

33
Q

Is there an OTC tx for scabies?

A

NO

34
Q

What do you do for norigwen and crusted scabies?

A

oral ivermetectin + topicals