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Medicine Sick Day Rules
What to do when you are unwell
When you are unwell certain medications should be temporarily stopped to prevent serious complications e.g. dehydration, kidney issues or diabetes complications
These are the Medicine Sick Day Rules if you have:
- Vomiting or diarrhoea (for more than 24 hours)
- A high fever, sweats, or shaking (signs of infection)
- Dehydration (not drinking normally or passing minimal or very dark urine)
Which Medicines Should Be Stopped?
You should temporarily stop taking certain medications until you are well again:
SGLT2 inhibitors
Use
Diabetes, Kidney, Heart conditions
Examples
ACE inhibitors
Use
Blood pressure, Heart conditions
Examples
Diuretics
Use
“Water tablets”, Fluid retention, Blood pressure
Examples
What Should You Do?
- Continue drinking fluids – regular small sips of water.
- Monitor your urine output – if you are not passing urine or it is very dark, seek urgent review
- Monitor your blood sugar levels if you have diabetes.
- You can take paracetamol for pain relief or high temperature
- Contact your GP, pharmacist, or NHS 111 if you are concerned.
- Restart medicines once you are well again i.e. eating and drinking normally for 24-48 hours - unless advised otherwise.
When to Seek Urgent Help
Seek medical attention if:
- You cannot keep fluids down
- You are passing no urine for 12 hours or more
- You feel dizzy or confused
- You have severe abdominal pain or persistent vomiting
- You are not improving after 48 hours
Further Information
For advice contact your GP, pharmacist, or NHS 111