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Before a blood test

What to ask, what to do the day before and how to make the appointment easier.

18 items · 4 sections · health, medical

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When it is booked (5)

  • Ask which test it is and why you need it
  • Ask if you need to fast, and for how longOnly some tests need it. Follow what your clinic says.
  • Ask if you should stop or delay any medicineDo not stop any medicine on your own, especially blood thinners.
  • Tell them about all your medicines and supplements
  • Ask how and when you will get the results

The day before (3)

  • Drink water as normal, unless told otherwiseWater is usually allowed even when fasting from food.
  • Fasting? Note the time you must stop eating
  • Set a reminder, and ask for a morning slot if fasting

On the day (5)

  • Take your form, ID and a list of your medicines
  • Wear a top with loose sleeves
  • Bring a snack and a drink for afterwards if fasting
  • Tell the person taking blood if needles worry you or you have fainted beforeThey can help you feel more comfortable.
  • Bring someone with you if it helps

Afterwards (5)

  • Keep the plaster or cotton wool on for as long as they advise
  • Some bruising or swelling should go away in a few days
  • Eat and drink if you were fasting
  • Chase up the result if you have not heard by the date they gave
  • Ask what the results mean for you, rather than guessing from the ranges

Written from www.nhs.uk

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