Other common skin conditions Flashcards
Urticaria:
Causes
Idiopathic
Allergy
Urticaria
Presentation
When do they usually resolve?
When are they asked as chronic?
What else usually accompanies it?
S - anywhere
C - red
A - itchy, painless
M - raised, blanching
Individual episodes usually resolve within hours
Daily or almost daily for > 6 wks
Angio-oedema
Urticaria
Management
1 type of med given
What meds should be avoided as they may cause angio-oedema?
Non-sedating anti-histamines - loratadine, cetirizine
ACEi, NSAID’s, aspirin
Hidradenitis Suppuravita
Pathophysiology
What is a big risk factor?
Presentation
Where?
Inflammatory skin condition of unknown cause
Obesity
Clusters of abscesses that affect areas of apocrine sweat glands - axilla, groin, inner thighs, buttocks
Hidradenitis Suppuravita
First line treatment
What biological drug can be used for severe/unresponsive disease?
What can be done with abscesses and the scars?
Fibrosis and scarring
Antibiotics
Adalimumab (anti-TNFalpha)
Drainage
Surgery
Acne rosacea
What is it an immune reaction to?
Who is it common in and what age?
Mite
Bacteria
Women
Age > 30 yrs
Acne rosacea
Presentation - what, where, plus main feature?
What happens to nose?
What do you have episodes of?
Exacerbating factors
Chronic erythema of nose and medial cheeks
Plus telangiectasia
Irregular areas of tissue hypertrophy
Flushing with or without sweating
Alcohol Hot drinks Spicy food Sun/heat Cold Emotion Exercise
Acne rosacea
Topical Rx?
Oral Abs used?
Topical metronidazole
Oral tetracycline
Pityriasis Versicolor
What is it?
Where?
Rx?
Scally rash of hypo/hyperpigmented scaly plaques
Back and chest
Topical ketoconazole
Pityriasis Rosea
What is it?
Cause
May be triggered by…?
Acute rash
Unknown
Drugs:
- Metronidazole
- ACEi
- NSAIDs
Pityriasis Rosea
Presentation - SCAM
Where?
What is a heralds patch?
What if it is drug induced?
S - any
C - red
A - Oval, scaly
M - papules and plaques
Trunk
Proximal limbs
Preceded up to 3 wks before main patches on trunk
No herald patch and more itching
Pityriasis Rosea
Usually self-limiting - how long will it take to clear?
What is very symptomatic?
What can they leave behind when they heal? (ps not a scar)
Self-resolving without treatment in 1-3 months
Topical steroids
Hypo/hyperpigmented lesions
Alopecia Areata
What is it?
Associated conditions:
- Skin condition that Andrew had
- Autoimmune disease
- Trisomy
- Psychosocial
Patchy loss of hair
Eczema
Vitiligo, thyroid disease
Down’s syndrome
Anxiety, depression, stressful like events
Alopecia Areata
Presentation
What is alopecia totalis and alopecia universalis?
Sudden loss of hair from patch of roots with the area then enlarging
Usually single but can be multiple
Complete hair loss of the scalp
Complete hair loss of body
Alopecia Areata
Management:
Supportive
Medical Rx - 1
What does minoxidil do?
Camouflaging - wig
Psychological support
Intradermal steroids injections - topical steroids in children
A vasodilator which can be used if some fine hair growing back
