Can steroid injections affect other medicines and treatments?
You can take other medicines with steroid injections. However, if you're taking a drug that thins the blood (an anticoagulant) such as warfarin, you may need an extra blood test to make sure that your blood is not too thin to have the injection.
This is because of the risk of bleeding into the joint. You should mention that you take anticoagulants to the person giving the injection to make sure that they're aware. If you discuss this beforehand, you may be advised to adjust your warfarin dose before having the steroid injection.
Can I have vaccinations if I have been given local steroid injections?
You can have vaccinations after you have had steroid injections.