Superficial viral infections Flashcards
(22 cards)
What are warts caused by
human papilloma viruses (HPV)
What is the clinical experience of warts
- often asymptomatic
- can cause symptoms
What symptoms can warts cause
- plantar warts become painful during ambulation
- condyloma acuminata (genital warts) can cause discomfort
- periungual lesions (tumor on the nail fold or bed) can develop painful fissures
what does verruca mean
wart
what are common warts (verruca vulgaris)
papules or nodules with a rough or scaly surface and typically occurs on the hands or fingers
what are filliform warts
- slender, soft, thin growths
- seen most commonly on the face and neck
what is periungal
- cluster-like (cauliflower)
- grows around fingernails and toenails
what are plantar/palmar warts
firm, elevated, or flat lesions that are hyperkeratotic in nature
what are condylomata acuminata (anogential warts)
soft, friable vegetating clusters found most commonly on the genitals
- asymptomatic in majority of patients
What are the two treatment options for condylomata acuminata
podofilox
Imiquimod
T/F HPV vaccination may reduce the incidence of genital warts
true
what dosage form is podofilox (Condylox)
gel or solution
what is podofilox indicated for
topical treatment external anogenital warts
how should podofilox be dosed and administered
- apply twice daily to warts morning and evening q12h
- up to 4 weekly cycles of 3 consecutive days
- only apply minimum amount necessary, wash hands and do not reuse applicator
what are some side effects associated with podofilox
burning (solution > gel) pain (solution > gel) inflammation (solution > gel) itching (solution > gel) erosion (solution < gel) bleeding (gel)
what are the two dosage forms of Imiquimod
3.75% cream (Zyclara) and 5% cream (Aldara)
what is imiquimod indicated for
- external genital and perianal warts
- actinic keratosis and basal cell carcinoma
what is the pharmacology of imiquimod
- immune response modifier
- no direct antiviral activity but induces cytokine activity
which dosage form of imiquimod needs treatment longer
5% aldara : applied 3x/week at bedtime up to 16 weeks
what warnings should we be aware when taking imiquimod
increased likelihood of sunburn
what are some ADR of imiquimod
erythema, erosion, burning, excoriation/flaking, edema
what clinical pearl should we be aware of while taking imiquimod
about as effective as podofilox with fewer side effects