Skin conditions Flashcards
1
Q
Atopic eczema
A
- Chronic, relapsing, inflammatory skin condition
- Itchy red rash
- Often found in creases i.e. behind the knees and folds of the elbows
- Increased water loss from skin causing dry skin
- Lower resistance to irritant substances
2
Q
Triggers for atopic eczema
A
- Soap
- Extremes of temperature
- Stress
- Hormone changes in women
- House dust mites
- Pollen
- Pet dander
- Moulds
3
Q
Treatment options for atopic eczema
A
- Topical emollients should be applied frequently and after bathing. Lotions have lower patient acceptability so can use both lotions and cream.
- A mildly potent corticosteroid i.e. Hydrocortisone 1% and Clobetasone butyrate 0.05%
- For adults and children over 10 years for acute flare ups
- Apply once or twice daily for a maximum of 7 days
- Not recommended in pregnancy or for use on the face and anogenital areas
- May worsen acne and rosacea
- Wait 30 minutes before applying emollient to prevent diluting the corticosteroid
4
Q
Practical tips for atopic eczema
A
- Use gloves when handling irritants such as detergants
- Avoid extremes of temperatures and humidity
- Use non-abrasive clothing such as cotton
- Reapply emollient after wetting the skin
5
Q
Contact dermatitis
A
- Response to irritants or allergen interacting with the skin
- Type IV hypersensitivity reaction
- Itchy rash often with crusting, scaling, redness, swelling
6
Q
Danger symptoms for contact dermatitis
A
- Secondary bacterial infection if the skin is broken by scratching and is seen as red, oozing and inflamed area
7
Q
Treatment options for contact dermatitis
A
- Emollient for dry skin
- Topical corticosteroid if there is no broken skin for adults and children over the age of 10 (Max use 7 days) for inflammation
8
Q
Cradle cap
A
- Red, sharply marginated lesions
- Greasy looking scales
- On the scalp or eyebrows
- Appears as dry, flaking skin
- Does not cause discomfort or harm and usually resolves by around 8 months
9
Q
Treatment options for cradle cap
A
- Ketoconazole 2% shampoo OTC for use once every 3 days
- Selenium sulphide is second-line
- Pyrithione zinc containing shampoos (Head and shoulders) used every day or every other day
- Tar shampoos (T/Gel)
For babies:
- Dentinox cradle cap shampoo
- Metanium cradle cap cream
10
Q
Practical tips
A
- Use baby oil to soften up the plaques followed by gentle baby shampoo
- Gentle brush with baby brush after shampooing
11
Q
Psoriasis
A
- Scaly red patches
- Covered with silver, white scales
- Patches may be itchy and can crack and bleed
- Nail pitting and separation of the nail from the nail bed in some
- Refer for treatment failure
12
Q
Treatment options for psoriasis
A
- Emollients to soften scaling and reduce irritation
- Tar-based shampoo is first line for scalp psoriasis to reduce inflammation and scaling
- Salicylic acid when there is significant scaling
- Dithranol but avoid contact with normal skin as it can cause staining, burning and severe blistering
13
Q
Urticaria
A
- Itchy skin
- Superficial swelling
- Rash appears suddenly
- Weal and flare rash
14
Q
Danger symptoms of urticaria
A
- If the swelling affects the tongue or throat call 999 as this may cause breathing difficulty
- If urticaria persists for more than 6 weeks, refer
15
Q
Treatment options for urticaria
A
- Oral anti-histamines are the first line - non sedating are preferred (acrivastine, loratadine, cetirizine)
- Avoid in pregnancy particularly, in the first trimester
- If needed, chlorphenamine is the most suitable in pregnancy - Topical calamine lotion will relieve itch