What is the best oral antifungal medication for tinea capitis?

Terbinafine is effective, safe for use in children, and relatively inexpensive, and it offers a shorter course of therapy than griseofulvin. Unfortunately, it is not available in liquid form. Fluconazole is available in liquid form and appears to be effective and safe, but fewer clinical trials have been published about it. Griseofulvin taken for 6 to 8 weeks remains an effective therapy for tinea capitis. There are insufficient randomized controlled trials directly comparing these agents to clearly establish a superior medication. (Grade of Recommendation: B [small randomized controlled trials with limited head-to-head comparisons of drugs]