Lancashire and South Cumbria
Formulary
 
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9 Nutrition and blood

This chapter of the formulary is under continual development, please let the team know if you have any comments about the contents: mlcsu.lscformulary@nhs.net

For more information about the formulary development process, please see: https://www.lancsmmg.nhs.uk/lancashire-and-south-cumbria-icb-formulary-development/

09-01-02 Drugs used in megaloblastic anaemias

Hydroxocobalamin
Formulary

Injection 1mg/1mL

1st line treatment in vitamin B12 deficiency.

Amber 0 Following gastric bypass or sleeve gastrectomy.

Link  MHRA: Vitamin B12 (hydroxocobalamin, cyanocobalamin): advise patients with known cobalt allergy to be vigilant for sensitivity reactions

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Cyanocobalamin
Formulary

Tablets 1mg

Treatment of non-dietary vitamin B12 deficiency when hydroxocobalamin injection is inappropriate or cannot be administered, and in dietary related deficiency only until B12 levels are replete, at which point patients are encouraged to self-care with 50-150mcg tablets daily purchased over the counter. 

Do Not Prescribe  Maintenance therapy of dietary related insufficiency. Patients are advised to self-care by purchase of 50mcg tablets over the counter. 

Link  LSCMMG: Over the Counter Items that Should not be Routinely Prescribed in Primary Care Policy
Link  MHRA: Vitamin B12 (hydroxocobalamin, cyanocobalamin): advise patients with known cobalt allergy to be vigilant for sensitivity reactions

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Folic Acid
Formulary

Tablets 400 microgram, 5mg
Liquid 2.5mg/5mL

Should never be given alone for pernicious anaemia or other megaloblastic anaemias caused by vitamin B12 deficiency (may precipitate subacute combined degeneration of the spinal cord).

Link  Medicines for children: Folic acid for megaloblastic anaemia caused by folate deficiency and haemolytic anaemia
Link  MHRA: Medicines in pregnancy and breastfeeding: new initiative for consistent guidance; report on optimising data for medicines used during pregnancy
Link  NICE NG247: Maternal and child nutrition: nutrition and weight management in pregnancy, and nutrition in children up to 5 years
Link  UK Chief Medical Officers Chief Nursing Officers and Chief Midwifery Officers - Folic Acid

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