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The annual #MedSafetyWeek campaign takes place from 3 to 9 November 2025. This year鈥檚 campaign theme is 鈥榳e can all help make medicines safer.鈥�
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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鈥�
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Intrahepatic cholestasis of pregnancy (ICP) has been rarely reported in patients treated with azathioprine products and is believed to be a risk applicable to all drugs in the thiopurine class (azathioprine, mercaptopurine a鈥�
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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鈥�
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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 recent National Patient Safety Alert highlighting the risk of deaths and serious injuries from entrapment or falls relatin鈥�
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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.
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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 drug alerts recently sent to healthcare professionals.
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A summary of letters and drug alerts recently sent to healthcare professionals.
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A summary of letters and drug alerts recently sent to healthcare professionals.
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A summary of letters and drug alerts recently sent to healthcare professionals.
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Establish hepatitis B virus status before initiating daratumumab and in patients with unknown hepatitis B virus serology who are already being treated with daratumumab.
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Letters were sent about Oncaspar鈻� (pegaspargase), Ketalar (ketamine) injection, and Elmiron (pentosan polysulfate sodium). A recall was issued for several medicines taken out of the regulated medicines supply chain, includin鈥�
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Letters were sent about Myocrisin (sodium aurothiomalate), Cerliponase alfa (Brineura鈻�), Darzalex鈻�(daratumumab), retinoids鈻�, and febuxostat (Adenuric). A recall alert was issued for medicines that were taken out of the regul鈥�
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While an urgent EU safety review evaluates reports of serious cardiovascular events and immune-mediated reactions, including autoimmune hepatitis, the use of alemtuzumab (Lemtrada) has been restricted and strengthened requir鈥�
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Letters were sent about alemtuzumab (Lemtrada), Selenase (sodium selenite pentahydrate), and Erelzi鈻� (etanercept).
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We have recently received 2 reports of fatal adverse reactions to the yellow fever vaccine (Stamaril). Due to an increased risk of life-threatening reactions, the vaccine must not be given to anyone with a medical history of鈥�
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Pharmacokinetic data indicate exposure of elvitegravir boosted with cobicistat (Genvoya鈻�, Stribild) is lower during the second and third trimesters of pregnancy than postpartum. Low elvitegravir exposure may be associated wi鈥�
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Disabling, long-lasting or potentially irreversible adverse reactions affecting musculoskeletal and nervous systems have been reported very rarely with fluoroquinolone antibiotics. Fluoroquinolone treatment should be discont鈥�
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Patients on ipilimumab who present with diarrhoea or other symptoms of colitis, and those who do not respond to steroid treatment for immune-related colitis, should be investigated to exclude other causes, including infectio鈥�
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In December 2018, a letter was sent to notify healthcare professionals of the discontinuation of Zovirax (Aciclovir) eye ointment. We also highlight the recent recall of Actavis batches of irbesartan/hydrochlorothiazide tabl鈥�
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Monitor thyroid-stimulating hormone (TSH) in patients treated with levothyroxine for at least the first month after starting and ending ritonavir treatment.
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Letters were sent about daclizumab beta (Zinbryta鈻�), alteplase (Actilyse), Esmya (ulipristal acetate), and Xofigo鈻� (radium-223-dichloride). MHRA issued alerts and recalls for batches of Nutriflex Omega Special 2500 ml and Nu鈥�
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New pharmacokinetic data show mean exposure of darunavir (brand name Prezista) boosted with cobicistat (available in combination in Rezolsta鈻�, Symtuza鈻�) to be lower during the second and third trimesters of pregnancy than du鈥�
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Following receipt of a third case of fatal medication error caused by the administration of Fungizone (a non-lipid-based formulation of amphotericin B) instead of a lipid-based formulation (AmBisome, Abelcet), we remind heal鈥�
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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鈥�
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Letters were sent about Cetrotide (cetrorelix acetate), Eperzan鈻�(albiglutide), darunavir/cobicistat, Keytruda鈻� (pembrolizumab), Denzapine (clozapine) 50 mg/mL oral suspension, and Bleo-Kyowa (bleomycin sulphate).
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Letters were sent about azithromycin, Lynparza鈻�(Olaparib), Xgeva鈻� (denosumab), Lymphoseek (tilmanocept), ReoPro (abciximab) and dolutegravir; you still have time to complete a quick survey to tell us your views on the way me鈥�
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Letters were sent about ellaOne, ERWINASE, Eperzan鈻�, Ocaliva鈻�, Velcade, Esmya, and Bleo-Kyowa.
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Mycophenolate mofetil and its active metabolite mycophenolic acid, both used to prevent transplant rejection, are teratogenic and genotoxic. The available clinical evidence does not indicate an increased risk of malformation鈥�
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Letters were sent about Buccolam (midazolam), misoprostol vaginal delivery system (Mysodelle), noradrenaline, Relenza (zanamivir), mycophenolate mofetil/mycophenolic acid, Flolan, and Fludara.
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Inadvertent switching between tacrolimus products has been associated with reports of toxicity and graft rejection. If you switch a patient to a different brand, ensure they receive careful supervision and therapeutic monito鈥�
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Further to our previous advice in 2016, Public Health England have updated their guidance about live vaccination of infants born to a mother who received immunosuppressive biological therapy during pregnancy.
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There have been reports of rejection of solid organ transplants in patients treated with nivolumab or pembrolizumab. Ipilimumab (Yervoy鈻�) may also interfere with immunosuppressive therapy, increasing the risk of graft reject鈥�
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A summary of letters sent to relevant 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. Patients who are co-infected with hepatitis B and C viruses are at risk鈥�
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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 sent to relevant healthcare professionals, to inform them of updated safety information.
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Patients should be tested for hepatitis B virus before starting treatment with BCR-ABL tyrosine kinase inhibitors.
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Before starting treatment with pomalidomide, establish hepatitis B virus status in all patients.
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Healthcare professionals working in primary and secondary care should ensure that clinically significant immunosuppression in a patient is identified before administration of a live attenuated vaccine.
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Mycophenolate mofetil and its active metabolite mycophenolic acid are associated with a high rate of serious birth defects and increased risk of spontaneous abortion.
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In November, letters were sent regarding thalidomide, mycophenolate mofetil, nicorandil, InductOs, and dimethyl fumarate
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Last month, letters were sent regarding ketoprofen gel, fingolimod (Gilenya鈻�) and efavirenz (Sustiva).
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Check full blood counts before prescribing dimethyl fumarate and then every 6 to 12 months. Stop treatment immediately if you suspect progressive multifocal leukoencephalopathy.
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The new module helps clinicians understand how to identify, manage and avoid side effects when using corticosteroids.
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Measure serum immunoglobulin levels if recurrent infections develop. Consider bronchiectasis or pulmonary fibrosis if patients develop persistent respiratory symptoms.