fungal skin infections

Question 1

tinea - topical management

Answer 1

terbinafine 1% BD for 7-14 days

Question 2

tinea - when to give oral management

Answer 2

location

• scalp, palms, sole,nail
• widespread
• inflammatory, hyperkeratotic or vesicular

medication

• inappropriate steroid treatment
• no response to topical
• relapse after topical

Question 3

tinea - oral treatment in

• standard
• scalp
• nail affected
• weight < 40kg

Answer 3

terbinafine PO 250mg OD

• standard is 2 weeks
• scalp is 4 weeks
• toenail is 12 weeks
• fingernail is 6 weeks

weight 20-40kg - 125mg OD for 2 weeks
weight <20kg - 62.5mg for 2 weeks

Griseofulvin adults 500mg bd
Kids 25mg/kg od

Ketoconazole 400mg od
20-40kg 100mg od
<20kg 50mg od