Magnesium sulfate with sodium bicarbonate and citric acid
Effervescent powder containing:
Sodium bicarbonate 22.6% w/w
Citric acid 19.5% w/w
Magnesium Sulfate 17.4% w/w
One level spoonful (5ml) to be taken in water up to a maximum of four times a day
Two level spoonfuls (10mls) to be taken in water before breakfast or at bedtime
Children over 3 years
2.5ml to be taken in water up to a maximum of four times a day.
5ml to be taken in water before breakfast or at bedtime.
Children under 3 years
Not recommended for this age group.
Patients with Renal Impairment
Avoid or decrease dose in moderate renal impairment. Increased risk of toxicity.
Excessive use in patients with severe renal dysfunction may lead to hypermagnesaemia and hypercalcaemia.
Precautions and Warnings
Should be used with caution in patients with the following:
Restricted sodium intake
Elderly or debilitated patients.
If daily use is required, investigate the cause of symptoms and advise the patient to consult a doctor if symptoms persist despite treatment
Avoid frequent use, frequent use in patients with severe renal dysfunction may lead to hypermagnesaemia and hypercalcaemia.
Preparation contains sucrose, prescribe with caution to patients with glucose-galactose malabsorption syndrome.
It is strongly recommended that the UK National Poisons Information Service be consulted on cases of suspected or actual overdose where there is doubt over the degree of risk or about appropriate management.
The following number will direct the caller to the relevant local centre (0844) 892 0111
Information may be obtained if you have access to ToxBase the primary clinical toxicology database of the National Poisons Information Service. This is available via password on the internet ( https://www.toxbase.org/ ) or if this is unavailable at the backup site ( https://www.TOXBASEbackup.org/ ).
Shelf Life and Storage
Store below 25 degrees C
Protect from strong odours
British National Formulary, 58th Edition (2009) Pharmaceutical Press, London.
Martindale: The Complete Drug Reference, 36th edition (2009) ed. Sweetman, S. Pharmaceutical Press, London.
Summary of Product Characteristics: Original Andrews Salts, GlaxoSmithKline, October 2006
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