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A summary of recent letters and notifications sent to healthcare professionals about medicines and medical devices.
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Advice for healthcare professionals on the reclassification of codeine linctus to a prescription-only medicine (POM), following a public consultation.
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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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Systemic fluoroquinolones must now only be prescribed when other commonly recommended antibiotics are inappropriate. This follows a review by the MHRA which looked at the effectiveness of current measures to reduce the ident…
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Systematic reviews and meta-analyses of randomised controlled trials have highlighted a dose-dependent increased risk of atrial fibrillation in patients with established cardiovascular diseases or cardiovascular risk factors…
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Healthcare professionals prescribing aripiprazole are reminded to be alert to the risk of addictive gambling and other impulse control disorders. Healthcare professionals should advise patients, their families and friends to…
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The medicines used to treat vitamin B12 deficiency (hydroxocobalamin, cyanocobalamin) contain cobalt. There are case reports in the literature describing cobalt sensitivity-type reactions in patients being treated for vitami…
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Falsified, potentially harmful Ozempic▼ and Saxenda products have been found in the UK.
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There is a risk of harmful drug interactions with the ritonavir component of the COVID-19 treatment Paxlovid▼ due to its inhibition of the enzyme CYP3A, which metabolises many commonly used drugs. Prescribers should obtain a…
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Healthcare professionals should be vigilant for suspected adverse reactions and safety concerns associated with e-cigarettes and e-liquids, commonly known as vapes. Please report adverse reactions to the Yellow Card scheme a…
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A summary of recent letters and notifications sent to healthcare professionals about medicines.
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We have strengthened the safe use of isotretinoin through the introduction of additional oversight of the initiation of isotretinoin in patients under 18 years and through improved assessment and monitoring of mental health …
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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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Globally, there has been a very small number of reports of new-onset or aggravation of pre-existing myasthenia gravis with atorvastatin, pravastatin, lovastatin, fluvastatin, simvastatin, rosuvastatin and pitavastatin (singl…
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Healthcare professionals prescribing fluoroquinolone antibiotics (ciprofloxacin, delafloxacin, levofloxacin, moxifloxacin, ofloxacin) are reminded to be alert to the risk of psychiatric reactions, including depression and ps…
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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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Healthcare professionals prescribing fluoroquinolone antibiotics (ciprofloxacin, delafloxacin, levofloxacin, moxifloxacin, ofloxacin) are reminded to be alert to the risk of disabling and potentially long-lasting or irrevers…
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Photosensitivity reactions are known side effects of methotrexate treatment and can be severe. Patients should be advised to take precautions to protect their skin in the sun.
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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 have launched a public consultation on the proposal to reclassify codeine linctus to a prescription-only medicine.
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A summary of recent letters and notifications sent to healthcare professionals about medicines and medical devices and a reminder of a recent MHRA National Patient Safety Alert to highlight the potential risk of underdosing …
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Calcium salts (either calcium chloride or calcium gluconate) are used to stabilise the myocardium and prevent cardiac arrest in patients experiencing severe hyperkalaemia. However, the two salts are not equivalent in terms o…
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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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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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A summary of recent letters and notifications sent to healthcare professionals about medicines and medical devices and details of two recent MHRA National Patient Safety Alerts to remove from service Philips Health Systems V…
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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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We remind healthcare professionals that accidental use of glucose-containing solutions as flush fluid for arterial lines may contaminate blood samples and result in falsely high glucose readings. This may lead to inappropria…
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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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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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The Isotretinoin Expert Working Group of the Commission on Human Medicines has made recommendations to strengthen the safety of isotretinoin treatment. Recommendations include new warnings, the need for consistent monitoring…
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We inform healthcare professionals of new risk minimisation measures for JAK inhibitors used to treat chronic inflammatory disorders, consistent with the measures introduced for tofacitinib (Xeljanz) in 2020 and 2021. This a…
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Healthcare professionals prescribing nitrofurantoin should be alert to the risks of pulmonary and hepatic adverse drug reactions and advise patients to be vigilant for the signs and symptoms in need of further investigation.
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A summary of recent letters and notifications sent to healthcare professionals about medicines.
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Advice for healthcare professionals regarding the withdrawal of pholcodine-containing medicines from the market.
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Recent information relating to COVID-19 vaccines and medicines that has been published since the January 2023 issue of Drug Safety Update, up to 21 February 2023.
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A summary of recent letters and notifications sent to healthcare professionals about medicines and medical devices.
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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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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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Recent information relating to COVID-19 vaccines and medicines that has been published since the December 2022 issue of Drug Safety Update, up to 23 January 2022.
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A summary of recent letters and notifications sent to healthcare professionals about medicines.
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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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Recent information relating to COVID-19 vaccines and medicines that has been published since the November 2022 issue of Drug Safety Update, up to 8 December 2022.
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A summary of recent letters and notifications sent to healthcare professionals about medicines.
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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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Recent information relating to COVID-19 vaccines and medicines that has been published since the October 2022 issue of Drug Safety Update, up to 24 November 2022.