Precautions, risks and complications


Prior to your procedure please inform BMSR if you:

  • are pregnant
  • have diabetes
  • feel unwell
  • have an infection, cold or persistent cough
  • have any allergies
  • are taking any of the following medications – antibiotics, asprin, warfarin or clopidrogrel or any other tablets used to thin the blood (some of these may need to be stopped some days before). Failure to do so may result in the procedure being cancelled.

Risks and Complications


  • Allergic reaction to the injection, which may be mild or life-threatening (anaphylaxis)
  • Bleeding
  • If the injection area becomes red, hot and swollen, and you feel unwell you should seek immediate medical help

For steroid injections

  • If you have diabetes and take insulin, your blood sugar levels may be affected for a short period of time. Your glucose levels should be monitored for up to 1 month after the injection. If there are any issues with your diabetes management, please consult your GP
  • Skin thinning, dimpling and change of skin colour may occur at the site of the injection
  • Facial flushing for a few days
  • For females – temporary alteration of your menstrual the cycle
  • Occasional exacerbation of symptoms possibly lasting for a couple of days. This can be treated with simple painkillers as required

Please note that this list is not exhaustive. If there are further risks or complications your BMSR Consultant will inform you of these prior to the injection.