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Here is some important information you need to know after you have had a blood transfusion.
Transfusion reactions
A blood transfusion can save and improve lives.
It is a safe procedure. Usually, patients who receive a blood transfusion experience no complications or problems. However, there are some risks. These can range from being minor to severe.
Most reactions that happen after an infusion are mild and don't result in problems.
However, it is important to tell your doctor or nurse of any unusual or unexpected symptoms. These usually appear within 24 hours of the transfusion but can happen days or weeks later.
Signs of a reaction
Tell us if you unexpectedly have any of the following after a blood transfusion:
- high temperature (above 38°C)
- feeling feverish, hot and clammy
- shivering or ‘cold chills’
- breathing problems
- extreme tiredness
- blood in the urine
- passing much less, or very dark, urine
- itchy skin rash
- feeling sick or vomiting
- lower back pain
If you are still in the hospital, tell a doctor or nurse.
- the department where you were treated (see the box)
- your GP
- NHS 111.
Department: ______________________
Number: _________________________
Kingston hospital main number 020 8546 7711
Teddington Memorial Hospital 020 8973 3000
Contact details for other sites.
Giving blood afterwards
After a blood transfusion, you can never donate blood in the future.
This is a national guideline.
Related information
Contact information
Transfusion Nurse
Email: khft.transfusion@nhs.net