Homeopathic
Boiron Chamomilla 30C
Chamomilla 30C is the classic homeopathic remedy for the cranky-overtired kid who can't be soothed and demands the impossible. Famously used for teething, but also useful in school-age kids who hit their wall. Dissolves under the tongue.
Typical pediatric dose
5 pellets as needed, up to 3x/day for 1-2 days.
Safety notes
Lactose-based pellets. Avoid in galactosemia.