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Patient reminder cards about the risk of osteonecrosis of the jaw are being introduced; denosumab 120 mg is now contraindicated in patients with unhealed lesions from dental or oral surgery.
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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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Monitoring of blood electrolytes is essential in patients coprescribed a potassium-sparing diuretic and an angiotensin converting enzyme inhibitor (ACEi) or an angiotensin receptor blocker (ARB) for heart failure.
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A clinical trial has shown an increased risk of recurrent thrombotic events associated with rivaroxaban compared with warfarin, in patients with antiphospholipid syndrome and a history of thrombosis. Other direct-acting oral…
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Monitor glucose levels closely in patients with diabetes during direct-acting antiviral therapy for hepatitis C, particularly within the first 3 months of treatment, and modify diabetes medication or doses when necessary. Pa…
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The eighth annual #MedSafetyWeek social media campaign will take place from 6 to 12 November 2023. It will focus on the importance of reporting suspected adverse reactions to medicines and suspected problems with medical dev…
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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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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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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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Recent epidemiological studies suggest exposure to ondansetron during the first trimester of pregnancy is associated with a small increased risk of the baby having a cleft lip and/or cleft palate.
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Use of a nebuliser purchased independently of medical advice for use in the home to deliver nebulised asthma rescue medications to children can mask a deterioration in the underlying disease and may increase the risk of pote…
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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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It is recommended that 2 adrenaline auto-injectors are prescribed, which patients should carry at all times.
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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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The seventh annual #MedSafetyWeek social media campaign will take place 7 to 13 November 2022 and this year’s focus is the importance of reporting suspected adverse reactions to medicines and vaccines. We are also encouragin…
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Cutaneous amyloidosis at the injection site has been reported in patients using insulin and this may affect glycaemic control. Remind patients to rotate injection sites within the same body region.
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If bilirubin and/or creatinine test results are inconsistent with clinical observations, request re-testing using another method to determine the validity of the result.
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Non-arteritic anterior ischemic optic neuropathy (NAION), a condition that can cause sudden deterioration in vision, usually in one eye at a time, has been very rarely reported in association with semaglutide in the treatmen…
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A standardised pre-vaccination checklist has been introduced to ensure the yellow fever vaccine is indicated for the intended travel destination and to enable vaccinators to identify existing contraindications or precautions…
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Risk of serious skin-related adverse drug reactions, including Stevens-Johnson syndrome, occurring with carbamazepine may be increased in the presence of the HLA-A*3101 allele in patients of European descent or Japanese orig…
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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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Our sixth annual #MedSafetyWeek social media campaign will take place on 1 to 7 November 2021. This year’s theme is on the importance of reporting suspected adverse reactions to vaccines.
Show your support by sharing MHRA …
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Advise patients taking hydrochlorothiazide-containing products of the cumulative, dose-dependent risk of non-melanoma skin cancer, particularly in long-term use, and the need to regularly check for (and report) any suspiciou…
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Risk of venous thromboembolism (VTE) for drospirenone-containing combined oral contraceptives (COCs), including Yasmin, is higher than for levonorgestrel-containing COCs.
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A review of the benefits and risks of alemtuzumab (including fatal reactions) in the treatment of multiple sclerosis has now concluded and recommended a revised indication, additional contraindications, and strengthened moni…
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2018 saw a fall in reporting of suspected adverse drug reactions (ADRs) to the Yellow Card Scheme from key reporter groups, including GPs, pharmacists, and hospital doctors. Every Yellow Card report counts, and a few minutes…
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We have introduced pack size restrictions, revised recommended ages for use, and new safety warnings for over-the-counter stimulant laxatives (orally and rectally administered) following a national safety review. Advise pati…
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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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Healthcare professionals should be aware of the potential risk of pulmonary aspiration in patients using GLP-1 or dual GIP/GLP-1 receptor agonists who undergo surgery or procedures with general anaesthesia or deep sedation.
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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 maximum recommended dose for simvastatin in conjunction with amlodipine and diltiazem is now 20 mg/day.
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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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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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The ninth annual #MedSafetyWeek social media campaign is taking place 4 to 10 November 2024.
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Statins (HMG-CoA reductase inhibitors) are widely used medicines for patients with lipid disorders and in the primary and secondary prevention of heart attack and stroke.
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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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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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Be especially alert for adverse drug reactions (ADRs) in patients taking more than one medicine and report any suspected ADRs to the Yellow Card Scheme. Show your support for the MHRA’s ADR awareness week campaign on 17–23 F…
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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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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…
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Be vigilant for any suspected adverse reactions associated with use of e-cigarettes or vaping (including lung injury) and report them to the MHRA via the Yellow Card scheme. In this article we provide UK case definitions of …
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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…