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Warfarin

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Using warfarin with proton pump inhibitors (PPIs)

17 June 2022PPIs may enhance warfarin anticoagulation. Patients on warfarin require counselling when starting on a PPI and INR monitored appropriately.

Small volume intramuscular injections in people taking oral anticoagulants

11 May 2022Advice and a summary of the issues and evidence for healthcare professionals with concerns about use of IM injections in people taking oral anticoagulants

Using oral anticoagulants during breastfeeding

2 November 2021Thromboembolic disease management whilst breastfeeding is challenging. Warfarin is the preferred choice. Guidance on using DOACs is also provided.

Advising on missed or delayed doses of medicines

15 October 2021Guidance to advise people who occasionally forget or are late in taking a dose of their medicine(s).

Warfarin monitoring

16 July 2021

Anticoagulant suggestions for adults with swallowing difficulties

1 July 2021A range of oral anticoagulant formulations are suitable for adults with swallowing difficulties.

Using COVID-19 vaccines in patients with anticoagulation and bleeding disorders

7 January 2021Information on use of the vaccine in patients who are receiving anticoagulants or have a bleeding disorder is given below.

What are the clinically significant drug interactions with tobacco smoking?

23 March 2020This Medicines Q&A summarises those drug interactions with tobacco smoking that are considered to be most clinically important. Most interactions between drugs and tobacco smoking…

Chondroitin - what are its drug interactions?

23 January 2020There are two published case reports of increased INR in patients receiving warfarin who self-medicated with glucosamine-chondroitin supplements. INR was increased in a further three…