Dimethyl fumarate (Tecfidera): fatal PML in an MS patient with severe, prolonged lymphopenia

Check full blood counts before prescribing dimethyl fumarate and then every 6 to 12 months.


Ferumoxytol (Rienso) intravenous iron no longer available for use

The licence-holder of ferumoxytol has voluntarily withdrawn it from the UK market for commercial reasons.


Corticosteroids e-learning module launched

The new module helps clinicians understand how to identify, manage and avoid side effects when using corticosteroids.


Report misleading medicines advertisements

If you are concerned about advertising you see for a medicine, please report it to MHRA or the industry self-regulatory body.



Posted on the UK MHRA website on 30 March 2015