Dermatology 2: Scabies

Question 1

what is scabies

Answer 1

parasitic infection caused by mite and causes intesne irrtiation and itchiness

Question 2

how are scabies transmitted

Answer 2

-sexually
-casual contact e.g. handshakes
-sharing clothes, towels etc.

Question 3

risk factors of scabies

Answer 3

-contact with infected person
-crowded living conditions e.g. in nursing homes, prisons etc.
-winter months

Question 4

scabies symptoms

Answer 4

-lesions with small papules
-between fingers, wrists, waist etc. but not head or neck but potentially for young or old people
-immunocompromised people may get crusted scabies, severe type that causes a crusted flaky rash that affects elbows, knees, hands, feet

Question 5

when to refer for scabies

Answer 5

crusted scabies, causes thick, crusted lesions

Question 6

treatment for scabies

Answer 6

-lyclear dermal cream x 30g. apply cream to clean dry skin and apply to whole body. repeated 7-14 days after first time

-derbac M (malathion) lotion. leave on for only 24 hours. use a second time after a week

Question 7

practical measures for scabies

Answer 7

-wash bedding and clothes on high temp
-treat household member or sexual partners. refer if its younger than 2 years old
-don’t have sex
-dont share bedding

Question 8

how long does scabies last

Answer 8

-without treating, 4-6 weeks or longer
-with treatment, mites are killed within 24-48 hours but itching may persistent for 6 weeks

-child can go back to school 24 hours after 1st treatment