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New recommendations following a review of the risks of dependence and addiction associated with prolonged use of opioid medicines (opioids) for non-cancer pain. Before prescribing opioids, discuss with the patient the risks …
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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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Taking warfarin and tramadol together can cause harmful drug interactions, which can raise the International Normalised Ratio (INR), and result in severe bruising and bleeding, which in some patients could be fatal.
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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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More than one treatment course is authorised only in women who are not eligible for surgery, and liver function monitoring is to be carried out in all women treated with Esmya. Before initiation, discuss with women the rare …
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We continue to receive a substantial number of serious and fatal adverse event reports for warfarin through our Yellow Card Scheme.
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Psychological side effects such as anxiety, low mood, sleep disturbance, poor concentration, and forgetfulness have been infrequently reported in people with cystic fibrosis treated with Kaftrio. Healthcare professionals sho…
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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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Patients with complete or partial dihydropyrimidine dehydrogenase (DPD) deficiency are at increased risk of severe and fatal toxicity during treatment with these medicines. All patients should be tested for DPD deficiency be…
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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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A review is being undertaken by the Medicines and Healthcare products Regulatory Agency with advice from the Commission on Human Medicines and the Isotretinoin Expert Working Group due to concerns about the possible associat…
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Guidance has been published about thalidomide, lenalidomide, and pomalidomide and the use of remote consultations and home pregnancy testing for patients taking them during COVID-19.
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Establish hepatitis B status before initiating carfilzomib and in patients with unknown hepatitis B virus serology who are already being treated with carfilzomib.
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Advice for healthcare professionals regarding the withdrawal of pholcodine-containing medicines from the market.
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There have been reports of severe, sometimes fatal, cases of cardiac failure in patients treated with crizotinib.
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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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Gabapentin has been associated with a rare risk of severe respiratory depression even without concomitant opioid medicines. Patients with compromised respiratory function, respiratory or neurological disease, renal impairmen…
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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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Monitor serum phosphate levels in patients treated with multiple high-dose administrations, or those on long-term treatment, and in those with pre-existing risk factors for hypophosphataemia. Re-evaluate ferric carboxymaltos…
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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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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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Cases of serotonin syndrome have been identified in associated with bupropion, especially in overdose or when bupropion is administered with other drugs with a serotonergic effect.
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A large study has shown no safety issues of concern relating to the use of metformin during pregnancy. The licence for metformin now reflects that it can be considered for use during pregnancy and the periconceptional phase …
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Sildenafil is not authorised for use in pregnancy for the treatment of intrauterine growth restriction. The STRIDER clinical trial, which was studying the use of sildenafil in pregnancy for intrauterine growth restriction, h…
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Erythromycin has been associated with events secondary to QT interval prolongation such as cardiac arrest and ventricular fibrillation. Erythromycin should not be given to patients with a history of QT interval prolongation…
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Important to inquire if patients are taking herbal medicines.
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We remind you to provide clear information to patients and caregivers regarding risk of accidental patch transfer and ingestion of patches, and need for appropriate disposal of patches.
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A summary of advice recently issued by the MHRA relating to coronavirus (COVID-19), up to 16 February 2021.
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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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A summary of advice recently issued by the MHRA relating to coronavirus (COVID-19), up to 21 April 2021.
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Updates have been made to the magnitude of the known risk of infantile hypertrophic pyloric stenosis following exposure to erythromycin in infancy as a result of new epidemiological data. The risk is particularly increased i…
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We remind healthcare professionals that isotretinoin should only be used for severe forms of acne resistant to adequate courses of standard therapy with systemic antibacterials and topical therapy. Prescription of isotretino…
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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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…Please report adverse reactions to the Yellow Card scheme and promote vigilance among patients.
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Fingolimod is associated with an increased risk of major congenital malformations including cardiac, renal, and musculoskeletal defects, when used in pregnancy. Women of childbearing potential must use effective contraceptio…
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Fluoroquinolones should only be used after careful benefit-risk assessment and after consideration of other therapeutic options in patients at risk for heart valve regurgitation (incompetence).
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There have been reports of thrombotic microangiopathy and nephrotic syndrome linked to interferon beta treatment.
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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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Healthcare professionals and patients are reminded of the risk of severe asthma attacks and increased mortality associated with overuse of SABA with or without anti-inflammatory maintenance therapy in patients with asthma. H…
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Linezolid is not active against infections caused by Gram-negative pathogens, and treatment should be started only after specialist microbiological advice.
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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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Advise patients to tell their health professional if they experience severe eye irritation.
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Train patients to place the Braltus capsule in the correct chamber of the Zonda inhaler. We have received reports of patients who have inhaled a Braltus capsule from the mouthpiece into the back of the throat, resulting in c…
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A summary of advice recently issued by the MHRA relating to coronavirus (COVID-19), up to 11 June 2021.
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Prescribers should be aware of the risk of potentiation of radiation toxicity with vemurafenib when given before, during, or after radiotherapy
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Measure serum immunoglobulin levels if recurrent infections develop. Consider bronchiectasis or pulmonary fibrosis if patients develop persistent respiratory symptoms.
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Letters were sent to healthcare professionals about Lartruvo▼ (olaratumab), quadrivalent influenza vaccine (split virion, inactivated), SGLT2 inhibitors, and carbimazole and thiamazole (synonym: methimazole)-containing produ…
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Risk of meningioma with cyproterone acetate increases with increasing cumulative dose. Use of cyproterone is contraindicated in patients with previous or current meningioma (for all indications) and should only be considered…
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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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We have issued a National Patient Safety Alert following serious reports of harm associated with insulin leakage during use of the Accu-Chek Insight Insulin pump with NovoRapid PumpCart prefilled insulin cartridges. Patients…