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Idiopathic intracranial hypertension (IIH) has been very rarely reported in patients treated with mesalazine. Following a recent review, warnings for IIH are being added to the product information for all mesalazine products…
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The annual #MedSafetyWeek campaign takes place from 3 to 9 November 2025. This year’s campaign theme is ‘we can all help make medicines safer.’
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Patients should be reminded and reassured that there is no evidence that taking paracetamol during pregnancy causes autism in children. Paracetamol is recommended as the first-choice pain reliever for pregnant women, used at…
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There is a small increase in the risk of Guillain-Barré syndrome following vaccination with Abrysvo (Pfizer respiratory syncytial virus (RSV) vaccine) and Arexvy (GSK RSV vaccine) in adults aged 60 years and older. Healthca…
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Updated safety and educational materials are now available to support the implementation of the regulatory measures announced in the November 2023 National Patient Safety Alert and the September 2024 Drug Safety Update. They…
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Review by two specialists remains in place for patients initiating valproate under 55 years of age but the Commission on Human Medicines (CHM) has advised that it will not be required for men (or males) currently taking valp…
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A summary of recent letters and notifications sent to healthcare professionals about medicines and medical devices.
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A summary of recent letters and notifications sent to healthcare professionals about medicines and medical devices.
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A summary of recent letters and notifications sent to healthcare professionals about medicines and medical devices.
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A retrospective observational study has indicated a possible association between valproate use by men around the time of conception and an increased risk of neurodevelopmental disorders in their children.
Inform male p…
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A summary of recent letters and notifications sent to healthcare professionals about medicines and medical devices.
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A summary of recent letters and notifications sent to healthcare professionals about medicines and medical devices.
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Topiramate is now contraindicated in pregnancy and in women of childbearing potential unless the conditions of a Pregnancy Prevention Programme are fulfilled. This follows a review by the MHRA which concluded that the use of…
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A summary of recent letters and notifications sent to healthcare professionals about medicines and medical devices, and information about the publication of two recent Device Safety Information pages. The article also includ…
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Healthcare professionals prescribing montelukast should be alert to the risk of neuropsychiatric reactions in all patients including children and adolescents. Reported neuropsychiatric reactions include sleep disorders, hall…
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A summary of recent letters and notifications sent to healthcare professionals about medicines and medical devices.
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A summary of recent letters and notifications sent to healthcare professionals about medicines and medical devices.
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There have been very rare reports of posterior reversible encephalopathy syndrome (PRES) and reversible cerebral vasoconstriction syndrome (RCVS) with pseudoephedrine.
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A summary of recent letters and notifications sent to healthcare professionals about medicines and medical devices.
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New safety and educational materials have been introduced for men and women and healthcare professionals to reduce the harms from valproate, including the significant risk of serious harm to the baby if taken during pregnanc…
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A summary of recent letters and notifications sent to healthcare professionals about medicines.
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Unless there are exceptional circumstances, valproate-containing medicines must always be dispensed in the manufacturer’s original full pack.
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A summary of recent letters and notifications sent to healthcare professionals about medicines and medical devices, and information about the publication of two recent Device Safety Information pages.
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A summary of recent letters and notifications sent to healthcare professionals about medicines, and a recent National Patient Safety Alert highlighting the risk of deaths and serious injuries from entrapment or falls relatin…
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We are providing an update on a retrospective observational study on the risk to children born to men who took valproate in the 3 months before conception and on the need for the re-analysis of the data from this study befor…
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A summary of recent letters and notifications sent to healthcare professionals about medicines.
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There have been a small number of reports of serious and life-threatening anticholinergic side effects associated with hyoscine hydrobromide patches, particularly when used outside the licence. Healthcare professionals, pati…
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We want to remind healthcare professionals that use of systemic (oral and injectable) NSAIDs such as ibuprofen, naproxen, and diclofenac is contraindicated in the last trimester of pregnancy (after 28 weeks of pregnancy).
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Risk minimisation materials are available to support the safe use of new paediatric formulations of rivaroxaban (Xarelto) and dabigatran etexilate (Pradaxa). In addition, we ask healthcare professionals to consult the curren…
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Recent MHRA National Patient Safety Alerts to remove from service Philips Health Systems V60 and V60 Plus ventilators and to recall Emerade adrenaline auto-injectors from patients, pharmacies and wholesalers. We also provide…
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A summary of recent letters and notifications sent to healthcare professionals about medicines and medical devices.
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Premature puberty and genital enlargement have been reported in children who were in close physical contact with an adult using topical testosterone and who were repeatedly accidentally exposed to this medicine. To reduce th…
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In view of data showing ongoing exposure to valproate in pregnancy, this article reminds healthcare professionals of the risks in pregnancy and the current Pregnancy Prevention Programme requirements, and provides informatio…
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Healthcare professionals prescribing dupilumab should be alert to the risks of ocular reactions. New onset or worsening ocular symptoms require prompt review. Referral for ophthalmological examination should be made as appro…
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A summary of recent letters and notifications sent to healthcare professionals about medicines.
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Prescribers and dispensers should use caution if switching patients between different long-acting formulations of methylphenidate (Concerta XL, Medikinet XL, Equasym XL, Ritalin LA, and generics) as different instructions fo…
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A summary of recent letters and notifications sent to healthcare professionals about medicines
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A summary of recent letters and notifications sent to healthcare professionals about medicines, and a patient safety alert on mexiletine hydrochloride.
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We have initiated a new safety review into topiramate as a result of an observational study reporting an increased risk of neurodevelopmental disabilities in children whose mothers took topiramate during pregnancy.
Topir…
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A summary of recent letters and notifications sent to healthcare professionals about medicines and medical devices
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A new study has suggested pregabalin may slightly increase the risk of major congenital malformations if used in pregnancy. Patients should continue to use effective contraception during treatment and avoid use in pregnancy …
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Liver monitoring requirements for cladribine in the treatment of multiple sclerosis have been introduced following uncommon cases of serious liver injury. Advise patients to seek urgent medical attention if they develop any …
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We remind healthcare professionals that elderly patients are at an increased risk of adverse neurological and cardiac effects when being treated with haloperidol for delirium. The lowest possible dose of haloperidol should b…
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A summary of recent letters, medicine recalls and notifications sent to healthcare professionals.
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Emerade 300 and 500 microgram adrenaline auto-injectors have been re-supplied to the market following the implementation of corrective actions – patients and their caregivers should be provided with training and advice speci…
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A summary of recent letters, medicine recalls and notifications sent to healthcare professionals.
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The paediatric indication for chloral hydrate (for children aged 2 years and older) and cloral (previously chloral) betaine (children aged 12 years and older) has been restricted to short-term treatment (maximum 2 weeks) of …
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A summary of recent letters, medicine recalls and notifications sent to healthcare professionals
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A summary of letters and recent medicine recalls and notifications sent to healthcare professionals.
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A summary of letters and recent medicine recalls and notifications sent to healthcare professionals.