Dermatits and Urticaria Flashcards

1
Q

Symptoms of dermatits

A

Rash can be scaly, skin typically dry
Usually itchy
Can effect anywhere on the body
Can be acute/chronic or both with permanent areas of dry, itchy skin and intermittent acute flares.

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2
Q

Symptoms of Urticaria

A

Patches of well-demarcated, superficial, erythematous skin swelling that can vary from a few millimeters to man centimetres in diameter.
Superficial weals are usually itchy
Angioedema can be itchy, painful, burning or tender
Can effect any area of the body
Acute> last for a few hours to 6 weeks
Chronic > lasting for 6 weeks

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3
Q

When to refer

A

Diagnosis is unclear
Secondary infection
Signs of systemic infection (fever)
Respiratory, gastrointestinal, cardiovascular, symptoms are also present.

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4
Q

When to refer - dermatitis specific

A

Symptoms are widespread,
Symptoms are severe
Sensitive areas

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5
Q

When to refer - urticaria

A

Angioedema is present
Weals are not transient
An underlying condition is suspected

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6
Q

Dermatitis treatment options

A

Moisturisers, topical corticosteroids, other tropical therapies, systemic therapies.

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7
Q

Moisturisers

A

Emollient or humectants.
Apply twice daily preferably after showering/bathing

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8
Q

Topical Corticosteroids

A

Low Potency - hydrocortisone
Medium Potency - Clobetasone Butyrate
High Potency - Monetasone Furoate
For pregnancy: use low-mild especially in first trimester
Breastfeeding - Safe during breastfeeding however will need to wipe off on nipple area.
Apply once daily.

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9
Q

Urticaria treatment options

A

First line: anti-histamine (loratadine)
If anti-histamines are not effective then H2 receptors can be used (famotidine)

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10
Q

Fingertip method

A

1 fingertip should cover an area equivalent of the front and back of a patients band.

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11
Q

Moisturiser product type

A

Cerave moisturising cream, cetaphil moisturising cream.

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12
Q

Non-pharmacologcial

A

Avoid overheating the skin
Wear preferably 100% cotton.
Avoid chlorinated pool.
Bathe in lukewarm water
Avoid SLS
Apply moisturiser.
Patch test
Avoid fragranced products.

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13
Q

Dermatitis causes

A

Soaps
Chemicals
Abrasive fibres
Plants
body fluids
allergens such as house dust mites, grasses and pollens, animal dander, chemicals

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14
Q

Urticaria

A

Infection - likely viral upper respiratory
Drug allergy - NSAIDS, antibiotics, sulfoanamides
IgE mediated food rection
Insect Stings
Contact with certain substances.

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