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A summary of advice recently issued by the MHRA relating to coronavirus (COVID-19), up to 13 May 2021.
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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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A reminder to healthcare professionals to fill out Yellow Card reports.
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Any healthcare professional can submit a Yellow Card, including students.…
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The Yellow Card App has been updated to make it easier to use, to have useful new features, and to support reporting a suspected reaction related to medicine exposure during pregnancy. Download the App today and let us know your thoughts.…
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We are no longer requesting all suspected adverse drug reactions (ADRs) to be reported for children.
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We have simplified our medicine and device incident report systems by bringing them all under the Yellow Card Scheme.
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The ninth annual #MedSafetyWeek social media campaign is taking place 4 to 10 November 2024.
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Pregabalin has been associated with infrequent reports of severe respiratory depression, including some cases without the presence of concomitant opioid medicines. Patients with compromised respiratory function, respiratory …
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Information on the newly launched Safer Medicines in Pregnancy and Breastfeeding Consortium and a new report on optimising data on medicines used during pregnancy.
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If eosinophilic pneumonia is suspected, daptomycin should be discontinued immediately and if appropriate the patient treated with corticosteroids.
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We have published guidance about the use of remote consultations for pregnancy prevention in women of childbearing potential and monitoring for signs of psychiatric reactions (especially depression) and other safety risks in…
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Updated dosing for paediatric paracetamol liquids has been developed to ensure children receive the optimum dose for their age.
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Patients with epilepsy should not take products that contain St John’s wort as any antiepileptic medicine may interact with St John’s wort.
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The third-line treatment indication for rucaparib has been withdrawn following a review of the findings of the ARIEL-4 trial, which showed lower overall survival for rucaparib treatment versus standard chemotherapy in patien…
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Recombinant human erythropoietin (r-HuEPO) treatment has been associated with very rare cases of life-threatening severe cutaneous adverse reactions (SCARs), including Stevens-Johnson syndrome (SJS) and toxic epidermal necro…
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Recent clinical trials have shown increased mortality when bendamustine (Levact) was used in combination treatments outside its approved indications. Be aware that the risk of opportunistic infections for all patients receiv…
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Albumin-bound paclitaxel formulations for infusion (nab-paclitaxel; brand names Abraxane, Pazenir) differ from conventional paclitaxel medicines in their authorised indications, pharmacokinetics, recommended dosages, and pre…
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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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There have been reports of thrombotic microangiopathy and nephrotic syndrome linked to interferon beta treatment.
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Key MHRA advice and guidance issued so far on medicines safety and pharmacovigilance, including on reporting to the Yellow Card Scheme.…
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If a patient reports persistent symptoms when switching between different levothyroxine tablet formulations, consider consistently prescribing a specific product known to be well tolerated by the patient. If symptoms or poor…
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As the safety of COVID-19 antivirals in pregnancy has not been established, please report any pregnancies which occur during use of an antiviral, including paternal use, to the UK COVID-19 Antivirals Pregnancy Registry. This…
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Sitaxentan (Thelin▼) withdrawn due to hepatotoxicity.
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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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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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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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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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Report of febrile promptly.
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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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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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Cases of interstitial lung disease and pneumonitis have been reported in patients receiving CDK4/6 inhibitors indicated for some breast cancers. Ensure that patients taking these medicines are aware of the need to seek advic…
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Serious and life-threatening hypercalcaemia has been reported with denosumab 60mg (Prolia) in children and adolescents in clinical trials for osteogenesis imperfecta and during off-label use. Denosumab 60mg (Prolia) is autho…
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Evidence suggests an increased risk of aminoglycoside-associated ototoxicity in patients with mitochondrial mutations, including cases in which the patient’s aminoglycoside serum levels were within the recommended range. The…
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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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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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Cases of serious liver injury with elevated transaminases and bilirubin have been reported during treatment with Kaftrio–Kalydeco combination therapy. In all patients, measure alanine aminotransferase (ALT), aspartate aminot…
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Cases of severe cutaneous adverse reactions, including Stevens-Johnsons syndrome (SJS) and toxic epidermal necrolysis (TEN), have been reported in patients treated with immune-stimulatory anti-cancer drugs, including atezoli…
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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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Carefully consider the benefits and risks before prescribing systemic azithromycin or other systemic macrolide antibiotics (erythromycin or clarithromycin) to patients being treated with hydroxychloroquine or chloroquine. An…
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Severe skin reactions such as Stevens-Johnson syndrome and toxic epidermal necrolysis have been reported during treatment with capecitabine.
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The indication of ulipristal acetate 5mg for uterine fibroids has been further restricted due to the risk of serious liver injury and liver failure, with some cases requiring liver transplantation. Although the temporary sus…
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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.…
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Periodically perform skin examinations in patients on bendamustine-containing regimens and consider PML in the differential diagnosis for patients on bendamustine with new or worsening neurological, cognitive, or behavioural…
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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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SSRIs and SNRIs are known to increase bleeding risks due to their effect on platelet function. Data from observational studies suggest that the use of SSRI/SNRI antidepressants during the month before delivery may result in …
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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.…
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We inform healthcare professionals that the Medicines and Healthcare products Regulatory Agency (MHRA) has launched new guidance to highlight the latest safety advice on the steps to take during anaphylaxis. This new guidanc…
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Prescribers and dispensers should use caution if switching patients between different metolazone preparations as the rate and extent of absorption of metolazone are formulation dependent. This can impact the bioavailability …
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Rarely, severe adverse effects can occur on stopping treatment with topical corticosteroids, often after long-term continuous or inappropriate use of moderate to high potency products. To reduce the risks of these events, pr…