Derm 1

Question 1

Other treatments:

• Oral antivirals
• Antihistamines
• Topical abx
• Antiseptics

Answer 1

• Antivirals: acyclovir. Can cause GI upset, deranged lfts, neurolog reactions, haematological disorders
• Antihistamines: non sed (cetirizine, fexofenadine), sed (chlorphenamine) block hist rec producing anti pruritic effect. Can cause sedation, antichol effects (dry mouth, blurred vision, urin ret, constip)
• Topical abx: fusidic acid. Can cause irritation, gi upset, candidiasis, c diff
• Antiseptics: chlorhexidine. Can cause irritation/ skin allergy

Question 1

Types of treatment:

• Emollients
• Topical steroids
• Oral steroids
• Oral retinoids
• Biologics

Answer 1

• Emollients: soap substitutes (dermal 500), aq cream (diprobase, cetraben, hydromol, e45), emulsifying ointment (epidermis), liquid paraffin and white soft paraffin. Rehydrates skin by forming new layer to prevent water loss. But can cause irritation/allergy
• Topical steroids: mild: (hydrocortisone), mod (clobetasone butyrate), potent (betamethasone validate), v potent (clobetasol). Is an anti-inflammatory + antiproliferative. But can cause skin thinning, telangiectasia, allergic contact dermatitis, or may mask skin infections
• Oral steroids: pred. Can cause immunosupp, cushings syndrome, htn, diab, osteoporosis, cataracts, psychosis
• Oral retinoids: isotretinoin. Can cause dry skin/lips/eyes, deranged lfts, hypercholesterolaemia, myalgia, arthralgia, teratogenic (contract 1 month before, 1 month after, if acitretin 3 years after)
• Biologics: infliximab, adalimumab. Can locally cause redness/swelling/bruising, systemically allergic, flu symptoms, infections, hepatitis, cancers

Question 2

Folliculitis:

• Definition
• Risk factors
• Causes
• Symptoms
• Management
• Complications

Question 3

Scabies:

• Definition
• Risk factors
• Symptoms
• Investigations
• Management
• Complications

Question 4

Headlice:

• Definition
• Symptoms
• Management

Question 5

Cellulitis:

• Definition
• Risk factors
• Causative organisms
• Symptoms
• Classes
• Management
• Complications

Question 6

Nappy rash:

• Causative organisms
• Risk factors
• Symptoms
• Investigations
• Management
• Complications

Question 7

Malignant melanoma:

• Definition + types
• Risk factors
• Symptoms
• Signs
• Investigations
• Management

Question 8

Benign melanocytic lesions:

• Definition
• Risk factors
• Types

Question 9

SCC:

• Definition
• Risk factors
• Symptoms
• Investigations
• Management

Question 10

BCC:

• Definition
• Risk factors
• Symptoms
• Investigations
• Management