“…5) No clinical improvement (or even worsening), and initial samples either not taken or negative: in the absence of therapeutic non-compliance, the child should be referred to a tertiary medical center to reassess the diagnosis and take samples for testing of antifungal drug resistance [13]. vii) Infants <10 kg with tinea capitis should be referred to a tertiary medical center because of the lack of sufficient data on which to base recommendations [14,15]. Indeed pharmacokinetic and safety data are lacking in infants; terbinafine is not FDA-approved for infants, cutting the tablets into quarters is not optimal, and, although technically possible, reconstitution of the medication as an oral solution is not widespread; data regarding itraconazole at this age are scant, and an oral suspension of fluconazole may be used in newborns but is not indicated for tinea capitis due to inconstant efficacy [16]; topical drugs are usually not sufficiently efficacious, except for very limited fungal infections.…”