Pruritus Flashcards
(13 cards)
What is pruritus ani?
It is a symptom of perianal itching or burning, not a diagnosis.
What are the two main types of pruritus ani?
Primary (idiopathic) and Secondary.
What is the most common cause of pruritus ani?
Primary pruritus ani, often linked to minor fecal leakage causing irritation.
How is pruritus ani managed if the skin is excoriated?
Use zinc oxide cream or Vaseline as a barrier before bowel motions.
What topical treatment is used for inflamed perianal skin?
Hydrocortisone 1% cream or ointment for up to 7 days.
Which sedating antihistamine can be used for nocturnal itch in pruritus ani (off-label)?
Chlorphenamine.
What is pruritus vulvae?
Itching of the vulva; a symptom, not a diagnosis.
Name 5 possible causes of pruritus vulvae.
Dermatological conditions (e.g., lichen sclerosus), infections (e.g., candidiasis), neoplasia, hormonal changes, and systemic or neurological disorders.
What is lichen simplex?
A chronic skin reaction to repeated scratching or rubbing, causing thickened, leathery, itchy skin.
What complications may result from chronic vulval itching?
Skin damage, lichen simplex, infection, sexual dysfunction, sleep disturbance, and psychological distress.
What hygiene advice should be given for pruritus vulvae?
Clean with emollient ointment once daily, dry gently, and avoid soaps, fragranced products, and tight/synthetic clothing.
What topical treatment is first-line for inflammation in pruritus vulvae?
A low-potency corticosteroid (e.g., hydrocortisone) for 1–2 weeks.
What medications can be used if sleep is disturbed?
Hydroxyzine, amitriptyline (10 mg), or doxepin (25 mg) – avoid hydroxyzine in the elderly or if there’s QT prolongation.
