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When children receiving replacement therapy for adrenal insufficiency are being switched from hydrocortisone tablets to Alkindi granules, parents or carers should be informed of the need to be extra vigilant for symptoms of …
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Caution is required if prescribing febuxostat in patients with pre-existing major cardiovascular disease, particularly, in those with evidence of high urate crystal and tophi burden or those initiating urate-lowering therapy…
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The ninth annual #MedSafetyWeek social media campaign is taking place 4 to 10 November 2024.
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A summary of letters and drug alerts recently sent to healthcare professionals.
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A summary of recent letters and notifications sent to healthcare professionals about medicines
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The authorisation holder for dapagliflozin has withdrawn the indication for type 1 diabetes mellitus. The removal of the type 1 diabetes indication is not due to any new safety concerns and the other indications of dapaglifl…
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Decreased vitamin B12 levels, or vitamin B12 deficiency, is now considered to be a common side effect in patients on metformin treatment, especially in those receiving a higher dose or longer treatment duration and in those …
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Oral diclofenac is associated with a small increased risk of cardiovascular side effects and is therefore no longer available over the counter.
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Use a lower starting dose of thalidomide in patients with untreated multiple myeloma who are older than age 75 years.
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A summary of letters and drug alerts recently sent to healthcare professionals.
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Healthcare professionals are encouraged to report all suspected adverse reactions (ADRs) on the yellow card porftal to melt formulations of desmopressin.
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Reporting to the new site will enable the MHRA to rapidly identify new and emerging side effects and medical device incidents in COVID-19 treatment, including side effects for medicines taken by patients to manage long-term …
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A summary of recent letters and notifications sent to healthcare professionals about medicines and medical devices
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On 14 July 2015, the Yellow Card mobile app was launched - use it to report suspected reactions and receive up to date information on your medicines of interest.
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The monitoring requirements and discontinuation criteria for dimethyl fumarate (Tecfidera) have been strengthened following a small number of reports of progressive multifocal leukoencephalopathy (PML) in patients with mild …
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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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A summary of recent letters and notifications sent to healthcare professionals about medicines and medical devices.
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Healthcare professionals should advise patients and/or carers of the changes in the dose, packaging, dose dispenser and leaflet.
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If patients are known to be HLA-B*1502-positive, phenytoinshould be avoided when alternative therapy can be given.
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Liver monitoring requirements and discontinuation criteria for fingolimod have been updated following reports of serious liver injury. Fatal cases of encephalitis and meningitis caused by herpes simplex and varicella zoster …
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A summary of recent letters, medicine recalls and notifications sent to healthcare professionals
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A summary of recent letters, medicine recalls and notifications sent to healthcare professionals.
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Confidential reports designed to help you improve the quality of your prescribing and patient safety are now available for practices that contribute to the MHRA’s Clinical Practice Research Datalink.
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A group of independent experts will review all evidence provided; we will publish a report of the group’s findings.
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You can use our free e-learning modules to find out more about how and when to report suspected adverse drug reactions and earn CPD credits at the same time.
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As of 1 April 2019, pregabalin and gabapentin are controlled under the Misuse of Drugs Act 1971 as Class C substances and scheduled under the Misuse of Drugs Regulations 2001 as Schedule 3.…
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Test liver function before and during treatment and tell patients to avoid sunlight exposure.
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We ask healthcare professionals to be vigilant to adverse incidents involving software, apps, and artificial intelligence (AI) as medical devices and to report incidents to us via the Yellow Card scheme.
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Fatal cases of tumour lysis syndrome (TLS) have been reported, some occurring in patients with chronic lymphocytic leukaemia receiving the lowest venetoclax dose used in the dose-titration schedule. For all patients, it is i…
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A summary of letters and recent medicine recalls and notifications sent to healthcare professionals.
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We are running a second social media campaign to promote the reporting of suspected adverse drug reactions (ADRs) to the Yellow Card Scheme in support of the ADR awareness week taking place 20-24 November 2017. The main mess…
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A summary of recent letters and notifications sent to healthcare professionals about medicines and medical devices.
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Tofacitinib should not be used in patients older than 65 years of age, people who are current or past smokers, or individuals with other cardiovascular (such as diabetes or coronary artery disease) or malignancy risk factors…
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A summary of recent letters and notifications sent to healthcare professionals about medicines and medical devices.
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Safety review initiated following post-surgical fatalities in ultra-rapid metabolisers
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Report to the Yellow Card Scheme suspected adverse reactions associated with medicines taken during pregnancy experienced by women or the baby or child. Obstetricians and midwives have a particularly important role in provid…
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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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A summary of recent letters and notifications sent to healthcare professionals about medicines and medical devices.
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Letters were sent on Typhim Vi vaccines, Mepact (mifamurtide), and Xeljanz (tofacitinib) and an alert issued to recall Emerade 150 microgram adrenaline pens.…
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Children exposed in utero to valproate are at a high risk of serious developmental disorders (in up to 30-40% of cases) and/or congenital malformations (in approximately 10% of cases).
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A summary of recent letters, medicine recalls and notifications sent to healthcare professionals.
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All patients should be screened for hepatitis B before starting treatment for chronic hepatitis C with direct-acting antiviral interferon-free regimens.…
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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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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 a patient safety alert on mexiletine hydrochloride.
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Remain vigilant for suspected adverse drug reactions and report them to the Yellow Card scheme. Show your support during #MedSafetyWeek on 2–8 November 2020 by sharing material on social media and discussing with colleagues …
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Following a review of the available toxicological data and a calculation of daily exposure to boron from a typical dosing regimen, we have concluded that the balance between the benefits and risks of chloramphenicol eye drop…
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Coadministration of a corticosteroid with an HIV-treatment-boosting agent may increase the risk of adrenal suppression due to a pharmacokinetic interaction.
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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 medical devices. Includes a recent recall of Accuretic (quinapril hydrochloride and hydrochlorothiazide).