Eczema Flashcards

1
Q

Risk Factors for Eczema

A
  • Family history of atopy (AR, eczema, asthma)
  • Genetic (Filaggrin gene deficiency)
  • Less exposure to endotoxins (“Hygiene hypothesis”)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Possible triggers of Eczema

A
  • Allergens (dust, pet dander, etc.)
  • Low humidity
  • Emotional Stress
  • Excessive sweating
  • Solvents, detergent, soaps, etc.
  • Excessive bathing/bathing with hard water
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Least potent (Group 7) steroids

A
  • Betamethasone valerate 0.025% cream
  • Hydrocortisone 1% cream
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Low potency (Group 6) steroids

A
  • Desonide cream/lotion (Desowen 0.05)
  • Bethamethasone valerate lotion (Betnovate scalp lotion 0.1)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Lower-mid potency (Group 5) steroids

A
  • Triamcinolone acetonide cream 0.1%
  • Betamethasone dipropionate lotion
  • Fluticasone propionate cream
  • Desonide ointment (Desowen)
  • Betamethasone valerate cream (Dermasone)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Medium potency (Group 4)

A
  • Mometasone furoate cream/lotion (Elomet, Vizomet)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

High potency (Group 3)

A

-Betamethasone dipropionate cream (Beprosone)
- Betamethasone valerate ointment (Dermasone)
- Mometasone furoate ointment (Elomet 0.1%)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

High potency (Group 2)

A

Betamethasone dipropionate ointment (Beprosone 0.05%)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Ultra high potency (Group 1)

A

Clobetasol propionate (Dermovate)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Tacrolimus 0.1% and 0.03% indicated age and frequency of application?

A

Tacrolimus 0.1% >= 16yo, apply BD
Tacrolimus 0.03% >= 2yo, apply BD

but off-label use in children <2yo may be allowed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Pimecrolimus 1% indicated age and frequency?

A

> = 3 months old, apply BD

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Side effects of Topical Calcineurin Inhibitors and FDA black box warning?

A

Transient burning, redness and itch.

Association with lymphoma and skin cancer (animal studies) but no studies to demonstrate increased cancer.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Frequency of proactive treatment?

A

Can use twice a week, spaced apart by 3-4 days.
Use on areas with stubborn eczema (depends on patient)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Instructions for normal saline/PP compress & PP soak?

A
  1. Fill basin with NS / one part of PP to 8 parts of water
  2. Soak disposable towel/gauze in bowl until wet
  3. Apply onto affected area and leave on for 2 mins
  4. Repeat with another set of towel/gauze for 3 cycles
  5. Perform soaking 2 times a day for 5 days or until lesion recovers.
  6. For PP soak, also use one part of PP to 8 parts of water.
  7. Soak affected body part for 10 minutes
  8. Rinse affected limb with water
  9. Perform soak 2 times a day for 5 days
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Dupilumab: Class? Indicated age? Onset?

A

IL-4 inhibitor.
FDA approved age >= 6 months (mod to severe AD)
HSA approved age >6yo (mod to severe AD)
Onset in 2-4 weeks, within 16 weeks.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Dupilumab: Dose?

A

6m - 6y (no loading dose):
5 - <15kg = 200mg q4w
15 - <30kg = 300mg q4w

6 - <18years:
15 - <30kg = 600mg once, then 300mg q4w
30 - <60kg = 600mg once, then 300mg q3w* (KKH off-label use, licensed dose is 400mg once, then 200mg q2w)
>=60kg = 600mg once, then 300mg q2w

> = 18yo: 600mg once, then 300mg q2w

17
Q

Dupilumab: SE and Monitoring?

A

Side effects:
- Injection-site reactions
- Keratoconjunctivitis, keratitis (mild-mod, use eye lubricants)

Monitoring:
- Baseline FBC, LFT, renal panel
- Arthralgia, ocular side effects (consider eye exam)
- Discontinue if no improvement after 16 weeks

18
Q

Systemic therapies for AD

A

Ciclosporin, Azathioprine, Methotrexate, Mycophenolate mofetil

19
Q

How long can Ciclosporin be used and why?

A

Can only be used for 1 year due to risk of adverse effects with long term use = Hypertension (dose-dependent, longer duration of use)

Other AEs = Infection, Nephrotoxicity, Risk of skin cancer and lymphoma

20
Q

Monitoring parameters for systemic therapies of eczema

A

Ciclosporin: SCr, LFTs, BP
Azathioprine: CBC, LFTs, S&S of infection and malignancy
MTX: CBC, LFTs, S&S of infection
MMF: CBC, renal, liver function