Epsom salts, many others, and generics
9.9% Elemental Magnesium
Magnesium salt

D	2	Yes	No	No
Key

• Injection: 500 mg/mL (4 mEq/mL) (2, 10, 20, 50 mL); must be diluted before use
• Injection, prediluted in sterile water for injection; ready to use: 40 mg/mL (0.325 mEq/mL) (50, 100, 500, 1000 mL); 80 mg/mL (0.65 mEq/mL) (50 mL)
• Injection, prediluted in D₅W; ready to use: 10 mg/mL (0.081 mEq/mL) (100 mL)
• Granules (Epsom salts and generics): Approx. 40 mEq Mg per 5 g (454, 1810 g)
• 500 mg magnesium sulfate is equivalent to 49.3 mg elemental Mg or 4.1 mEq Mg.