Medication	Directions	Cost (generic)*	Notes
White petrolatum	Apply daily	$3 for 30 g	May soften scales, facilitating removal with soft brush
Tar-containing shampoo	Use several times per week	$13 to $15 for 240 mL	Use when baby shampoo has failed Safe, but potentially irritating
Ketoconazole (Nizoral, brand no longer available in the United States), 2% cream or 2% shampoo	Cream: apply to scalp three times weekly Shampoo: lather, leave on for three minutes, then rinse. Use three times weekly	Cream: ($16 to $37 for 15 g) Shampoo: $30 to $33 for 120 mL ($16 to $38)	Small trial showed no systemic drug levels or change in liver function after one month of use
Hydrocortisone 1% cream	Apply every other day or daily	$2 to $4 for 30 g	Limit surface area to reduce risk of systemic absorption and adrenal suppression
			May be especially effective for rash in flexural areas