“…Regular administration of this elixir may cause alcohol toxicity, especially in neonates. As consequence, extemporaneous formulations, including suspensions from crushed tablets, are sometimes prepared (Cober and Johnson, 2007;Colquhoun-Flannery and Wheeler, 1992). Slow intravenous injections are also frequently used, but care must be taken to dilute the parenteral formulation (200 mg mL −1 phenobarbital in 90% propylene glycol) to provide suitable doses for young infants and children and to avoid accumulation of the cosolvent (Allagaert et al, 2010;BNF for children, 2011).…”