• Administer magnesium.*
• Administer IV magnesium 8–16 mEq over 1 hr followed by 2–4 mEq/hr.
• Administer IM magnesium 10 mEq every 4–6 hr.

*MgSO₄ 1 g = 8 mEq; MgCl₂ 1 g = 10 mEq.

IM = intramuscular; IV = intravenous.