See NHS Somerset formulary Useful links for NHS Somerset sick day rules.

Therapeutic AreaFormulary ChoicesCost for 28
(unless otherwise stated)
Rationale for decision / comments 
PotassiumPotassium chloride with potassium bicarbonate as Sando K® Effervescent tablet (12mmol potassium): £9.95 (100)
Potassium chloride as Kay Cee L®Oral solution (1 mmol/ml): £9.58 (500ml)Sugar free.
Oral rehydration therapy as O.R.S®Soluble tablet: £1.94 (12)
£2.77 (24)
Blackcurrent, lemon or strawberry.Infants under the age of 2 years with diarrhoea should be seen by a physician as soon as possible.
as Dioralyte ®Oral powder sachet : £2.68 (6)
£8.04 (20)
Plain, blackcurrent or citrus.
CalciumCalcium carbonate as Adcal®Chewable tablet (1.5g): £8.70 (100) See Vitamin deficiency in formulary NHS Somerset recommend calcium supplement combined with vitamin D alongside bisphosphonate or for bariatric patients (as per SFT guidance). Calcium alone is indicated as a phosphate binder (as per NICE Chronic kidney disease: assessment and management NICE guideline NG203 August 2021, updated November 2021)
MagnesiumMagnesium aspartate as AsparMag®Oral powder sachet (10 mmol): £6.89 (10)
Magnesium glycerophosphate
as Neomag®
Chewable tablet (4 mmol): £22.77 (50)