No Moisture Therapy / Perioral Dermatitis — source conflicts

Conflict: [Reddit r/eczema & r/TS_Withdrawal, 2019–2025; evidence: anecdotal] adult posters call NMT “life-changing” and say moisturising “delayed my healing”. [Zhu et al., Cureus, Nov 2025] say NMT is untested and its water-restriction claims are concerning; [NEA, n.d.] and [UK dermatologist survey, Skin Health Dis 2025] keep emollients as core TSW care. Unresolved — add to open_questions.

Conflict: [Kellen & Silverberg, Cutis, Dec 2017] call topical metronidazole a pediatric “standard” (clearance in 3–8 weeks), and DermNet lists it first among topical options. [Hall & Reichenberg, G Ital Dermatol Venereol, Aug 2010] rate the evidence for topical metronidazole in children “relatively weak” (case series plus a trial showing it inferior to tetracycline). Unresolved — add to open_questions.

Conflict: Age cut-off for oral tetracyclines: [DermNet periorificial dermatitis, n.d.] makes erythromycin first-line for “children under 8 years”; [Kellen & Silverberg, Cutis, Dec 2017] say tetracyclines “must not be used in patients younger than 9 years”; [DermNet, POD in children, Dec 2018] says avoid them under 12. All agree they are unsuitable for 1–4-year-olds. Unresolved — add to open_questions.

Conflict: [Weston & Morelli, cited in Cutis 2017] stopped all topical steroids “immediately … without gradual withdrawal”; [another study cited in Cutis 2017] suggests low-potency TCS to control the rebound while weaning off stronger steroids; [DermNet, Dec 2018] warns rebound flares and steroid dependence prolong the course. Unresolved — add to open_questions.