Tablets containing 4mmol Magnesium
Oral Liquid containing 1mmol/1mL

Restricted to use when magnesium aspartate inappropriate e.g children under 2 years and for enteral tube administration where volume too great.

N.B. tablets can be crushed and mixed with waterfor enteral tube administration.

4mmol/10mL 10% Injection

4mmol/2mL 50% Injection

10mmol/5ml 50% Injection                                                           

20mmol/10ml 50% Injection

Risk of incorrect dosing/administration of magnesium sulphate injection

We have been made aware of a serious clinical incident in another Trust involving magnesium sulphate 50% (20mmol in 10mL) ampoules, 50 pack size DEMO brand.

Labelling on the front of the box gives the strength as 50% and as 20.3mmol/10mL but the labelling on the ampoule only gives the strength as 50%w/v.

This issue also applies to the magnesium sulphate 10% (4mmol in 10mL) ampoules, 10 pack size DEMO brand. The labelling on the box gives the strength as 10% w/v and as 4.06mmol/10 mL but the labelling on the ampoule only gives the strength as 10%w/v.

Pharmacy is making every effort to source from other suppliers but this has been very difficult owing to ongoing drug shortages.

Before administration, check the ampoule against the label on the front of the box to confirm the strength. Please ensure all relevant staff are made aware of this.