Can small volume intramuscular injections be given to patients taking oral anticoagulants?

Samantha Owen, Principal Pharmacist Critical Evaluation and UKMi Medicines Q&A Lead, Southampton Medicines Advice Service, University Hospital of Southampton NHS Foundation TrustPublished

This Medicines Q&A discusses the potential risks associated with the administration of small volume IM injections to patients taking oral anticoagulants.

It has been partially updated (Sept 2018) to include the latest advice from Public Health England’s “green book” on administration of influenza vaccine in people taking anticoagulants.