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Cases of iatrogenic botulism have been reported following the therapeutic or cosmetic use of botulinum toxin containing products where the toxin’s effect extends beyond the area of treatment. Patients should seek immediate m…
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The MHRA has reviewed the evidence for finasteride and dutasteride and the risk of suicidal thoughts and behaviours and has recommended further measures to minimise this risk.
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The Commission on Human Medicines (CHM) has endorsed changes to the risk minimisation measures for isotretinoin, following a review of the impact of the measures implemented in 2023. We ask healthcare professionals to review…
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The Commission on Human Medicines (CHM) has endorsed changes to isotretinoin prescribing guidance. In addition, CHM is seeking further information from dermatology services who prescribe isotretinoin to inform any future cha…
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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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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…
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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…
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Support this initiative to explore whether there is a genetic basis of side effects associated with direct-acting oral anticoagulants (DOACs) and allopurinol.
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Epimax Ointment and Epimax Paraffin-Free Ointment can harm the eyes if used on the face. Do not prescribe these ointments for use on the face. Tell patients to wash their hands and avoid touching their eyes after using these…
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A summary of recent letters and notifications sent to healthcare professionals about medicines and medical devices.
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Topical steroid products are safe and highly effective treatments for the management of a wide range of inflammatory skin diseases but have important risks, especially with prolonged use at high potency. In the coming months…
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A patient alert card is being introduced for men taking finasteride to help raise awareness of the risk of psychiatric side effects and sexual dysfunction, including the potential for sexual dysfunction to persist after trea…
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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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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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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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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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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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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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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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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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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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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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We inform healthcare professionals of the recent campaign to promote awareness of the risk and new resources available to support safe use following previous advice to health and care professionals.
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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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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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A summary of letters and drug alerts recently sent to healthcare professionals.
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Stop prescribing Picato and consider other treatment options for actinic keratosis as appropriate. The licence of ingenol mebutate (Picato) has been suspended as a precautionary measure while the European Medicines Agency (E…
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Letters were sent about methotrexate, modafinil, Ecalta, Picato, Nexplanon, valproate medicines, e-cigarettes, and Lemtrada. Alerts were issued about finasteride, codeine/paracetamol, and Picato.
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Advise patients treated with ingenol mebutate gel to be vigilant for new skin lesions and to seek medical advice immediately should any occur. Use with caution in patients with a history of skin cancer.
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Letters were issued about parenteral nutrition products, ranibizumab, ingenol mebutate gel, adrenaline auto-injectors, and fingolimod. Recall alerts were recently issued about ranitidine, aripiprazole, and bisacodyl.
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An alert was issued advising against use of Dermapen 3 and Dermapen Cryo Sterile single use needle cartridge tips for Dermapen 3 since their safety cannot be verified.
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Letters were sent about Oncaspar▼ (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…
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Letters were sent about Myocrisin (sodium aurothiomalate), Cerliponase alfa (Brineura▼), Darzalex▼(daratumumab), retinoids▼, and febuxostat (Adenuric). A recall alert was issued for medicines that were taken out of the regul…
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New prescriber checklists, patient reminder cards, and pharmacy checklists are available to support the Pregnancy Prevention Programme in women taking acitretin, alitretinoin, and isotretinoin. Advice about the risk of neuro…
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Following observation in a clinical study of an increased risk of pulmonary embolism and overall mortality with tofacitinib 10 mg twice-daily in rheumatoid arthritis, a safety review has started and new contraindications int…
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Clinical trials, including interim findings from a randomised trial, show an increased risk of depression, suicidal ideation or behaviour, or self-injury in patients with systemic lupus erythematosus receiving belimumab comp…
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Letters were sent about Xeljanz▼ (tofacitinib), ranitidine, Nulojix (belatacept), fluoroquinolone antibiotics, Genvoya▼, Stribild▼, Tybost, and belimumab (Benlysta▼). Drug alerts were issued about Accord losartan potassium c…
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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…
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Letters were sent about Vyxeos (cytarabine, daunorubicin) and Ozurdex 700 micrograms intravitreal implant (dexamethasone). Alerts were issued about irbesartan, amoxicillin, atropine sulfate, and paracetamol infusion.
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If Fournier’s gangrene is suspected, stop the SGLT2 inhibitor and start treatment urgently (including antibiotics and surgical debridement). Fournier’s gangrene is a rare but potentially life-threatening infection that requi…
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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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Alerts were issued about FreeStyle Libre flash glucose sensors and Arjo Minstrel passive floor lifts (portable hoist).
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Warnings about the risk of severe and fatal burns are being extended to all paraffin-based emollients regardless of paraffin concentration. Data suggest there is also a risk for paraffin-free emollients. Advise patients who …
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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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Letters were sent to healthcare professionals about Jext adrenaline autoinjectors, rivaroxaban, Ozurdex 700 micrograms intravitreal implant, sildenafil, hydrochlorothiazide, and Epilim Chronosphere (sodium valproate). We als…
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Letters were sent about valproate medicines, atezolizumab (Tecentriq▼), and nusinersen (Spinraza▼). MHRA issued alerts and recalls for valsartan-containing medicines, Fiasp FlexTouch pre-filled pens, melatonin capsules, and …
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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…