molluscum contagiosum Flashcards
what is molluscum contagiosum
skin infection caused by molluscum contagiosum virus (MCV), a member of the Poxviridae family.
transmission of molluscum contagiosum
close personal contact, or indirectly via fomites (contaminated surfaces) such as shared towels and flannels
adults sexual contact
typical characteristics of molluscum contagiosum
- pinkish or pearly white papules with a central umbilication - 5mm in diameter
- anywhere on the body - EXCEPT THE PALMS OF THE HANDS AND SOLES OF FEET
- Children - commonly seen in trunk and in flexures
- adults - genitalia, pubis, thighs, and lower abdomen.
self care advice for molluscum contagiosum
- Reassure people that molluscum contagiosum is a self-limiting condition.
- Spontaneous resolution usually occurs within 18 months
- Explain that lesions are contagious, and it is sensible to avoid sharing towels, clothing, and baths with uninfected people (e.g. siblings)
- Encourage people not to scratch the lesions. If it is problematic, consider treatment to alleviate the itch
- Exclusion from school, gym, or swimming is not necessary
Tx for molluscum contagiosum
not recommended
- Squeezing (with fingernails) or piercing (orange stick) lesions may be tried, following a bath. Treatment should be limited to a few lesions at one time
- Cryotherapy may be used in older children or adults, if the healthcare professional is experienced in the procedure
- Eczema or inflammation can develop around lesions prior to resolution. Treatment may be required if:
→ Itching is problematic; prescribe an emollient and a mild topical corticosteroid (e.g. hydrocortisone 1%)
→ The skin looks infected (e.g. oedema, crusting); prescribe a topical antibiotic (e.g. fusidic acid 2%)
when would u refer
For people who are HIV-positive with extensive lesions urgent referral to a HIV specialist
For people with eyelid-margin or ocular lesions and associated red eye urgent referral to an ophthalmologist
Adults with anogenital lesions should be referred to genito-urinary medicine, for screening for other sexually transmitted infections
