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Sick day rules. Drugs to stop when you are unwell. Posted on 24 Mar 2020


Taking certain medications whilst you are dehydrated can result in you developing a more severe illness.  The ‘Medicine Sick Day rules’ card lists medicines that should be temporarily stopped during a dehydrating illness.  We would consider this to be diarrhoea and vomiting or having a high temperature/ fever, sweats and shaking.  However, we would also suggest that you phone your GP to discuss this if you are feeling unwell.


You can restart them when you are well (after 24-48 hours of eating and drinking normally). 



Medicines to stop on sick days are:


ACE inhibitors:  medicine for hypertension or your heart with names ending in ‘pril’


ARBs: medicine names ending in ‘sartan’


Diuretics: e.g. Furosemide, bendroflumethiazide


Metformin: a medicine for diabetes


SGLT2: Diabetic medication for example Empagliflozin and Canagliflozin


NSAIDs: e.g. ibuprofen, diclofenac and naproxen


Below are links to patient information leaflets


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