ACNE Causes: puberty (testosterone increase), consider hyperandrogenism if irregular periods/hirsuitism

ACNE
Causes: puberty (testosterone increase), consider hyperandrogenism if irregular periods/hirsuitism
Goals/outcome measures, Reduce or clear lesions, Prevent scarring, Relieve psychological distress
Non-Inflammatory lesions
Whiteheads (closed comedones-small raised white bumps
Blackheads (open comedones-small raised bumps with dark centre
Inflammatory lesions
Papules-small round or oval raised elevations of skin
Pustules-resemble papules, but have central pocket of pus
Nodules-poorly defined swellings, usually red/tender
Consider oral contraception in women for all grades of acne
(standard or co-cyprindiol)
Single topical treatment for at least 8/52-3/12
benzoyl peroxide 2.5% of 5%
Azelaic acid (Cambs 1st line)
Tretinoin 0.01% or 0.025% (Cambs 1st line)
Topical antibiotic erythromycin (cambs 2nd line)
Adapalene (cambs 2nd line)
Mild
non-inflammatory comedones
Combined topical
Benzoyl peroxide + erythromycin/clindamycin
Benzoyl peroxide+topical retinoid
Topical retinoid +topical antibiotic
Moderate
inflammatory papules and
pustules +/-Comedones
oral treatment (if topical not tolerated or extensive disease)
Oral antibiotics for at least 3 months
(1st line oxytetracycline, erythromycin 2nd line lymecycline)
Severe
Nodules and cysts and
inflammatory papules
NO
Combined oral antibiotics and non-antibiotic topical treatment
Is there scarring?
Or
Failure to respond to oral/topical over 6 months (3/12 if severe)
If isotretinoin a possibility
Check LFT, FBC, lipids,and give
contraceptive advice
References
CKS
Map of Medicine
Refer Dermatology
Refer
(Soon)
Is this
Acne fulminansinflammatory with
malaise/pyrexia
YES
Urgent referral
Cambridgeshire PCT formulary drugs for acne June 2010
1st line
cost
2nd line
topical
Benzoyl peroxide cream
Azelaic acid
£1.89/40g
£3.74/30g
Erythromycin 4% gel
Clindamycin
solution 1%
Topical retinoids
tretinoin
£5.39/60g
adapalene
£11.40/45g
Oral preparations
Oxytetracyline 500mg bd
Tetracycline 500mg bd
Erythromycin 500mg bd
Co-cyprindiol (women)
£1.42/28 tabs 250mg
£9.10 /28 tabs 250mg
£1.97/28 tabs 250mg
£2.92/21 tabs
lymecycline
£7.77 (28
tabs)
cost