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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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Prescribers should be alert for neuropsychiatric reactions in patients taking montelukast and carefully consider the benefits and risks of continuing treatment if they occur.
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New data have confirmed that the risk of breast cancer is increased during use of all types of HRT, except vaginal estrogens, and have also shown that an excess risk of breast cancer persists for longer after stopping HRT th…
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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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Maternal administration of magnesium sulfate for longer than 5–7 days in pregnancy has been associated with skeletal adverse effects and hypocalcaemia and hypermagnesemia in neonates. If use of magnesium sulfate in pregnancy…
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Letters were sent about alemtuzumab (Lemtrada), Selenase (sodium selenite pentahydrate), and Erelzi▼ (etanercept).
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Ongoing patient survey data suggest that more effort is needed by clinicians to achieve full and timely compliance with the valproate Pregnancy Prevention Programme and meet the goal to rapidly reduce and eventually eliminat…
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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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As of 1 April 2019, pregabalin and gabapentin are controlled under the Misuse of Drugs Act 1971 as Class C substances and scheduled under the Misuse of Drugs Regulations 2001 as Schedule 3. Evaluate patients carefully for a …
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Pharmacokinetic data indicate exposure of elvitegravir boosted with cobicistat (Genvoya▼, Stribild) is lower during the second and third trimesters of pregnancy than postpartum. Low elvitegravir exposure may be associated wi…
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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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New guidance on contraceptive methods and frequency of pregnancy testing to reduce inadvertent exposures during pregnancy in a woman taking a medicine of teratogenic potential.
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Carbimazole is associated with an increased risk of congenital malformations, especially when administered in the first trimester of pregnancy and at high doses. Women of childbearing potential should use effective contracep…
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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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Tapentadol may increase seizure risk in patients taking other medicines that lower seizure threshold, for example, antidepressants and antipsychotics. Serotonin syndrome has also been reported when tapentadol is used in comb…
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Although use of valproate medicines in female patients continues to slowly decline, there is wide variation in prescribing between Clinical Commissioning Groups (CCGs). Women continue to report instances when they have not r…
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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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Reporting suspected adverse drug reactions to the Yellow Card Scheme helps to support the safe use of medicines in babies, children, and pregnant and breastfeeding women. Show your support for this year’s EU-wide ADR awarene…
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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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An alert was recently issued by MHRA about CoaguChek Test Strips for Point of Care and Home Use due to a risk of false high results. Affected CoaguChek test strips may give false high results for INR values above 4.5 when co…
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Valproate medicines must not be used in women of childbearing potential unless the Pregnancy Prevention Programme is in place. If you are involved in the care of female patients on valproate in the UK, see a reminder of acti…
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Monitoring for encephalitis should continue for 12 months following discontinuation of daclizumab. Inform all patients who have discontinued daclizumab and their caregivers of the common symptoms of encephalitis and the need…
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Letters were sent about daclizumab beta (Zinbryta▼), alteplase (Actilyse), Esmya (ulipristal acetate), and Xofigo▼ (radium-223-dichloride). MHRA issued alerts and recalls for batches of Nutriflex Omega Special 2500 ml and Nu…
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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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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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New pharmacokinetic data show mean exposure of darunavir (brand name Prezista) boosted with cobicistat (available in combination in Rezolsta▼, Symtuza▼) to be lower during the second and third trimesters of pregnancy than du…
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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…
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Letters were sent about Cetrotide (cetrorelix acetate), Eperzan▼(albiglutide), darunavir/cobicistat, Keytruda▼ (pembrolizumab), Denzapine (clozapine) 50 mg/mL oral suspension, and Bleo-Kyowa (bleomycin sulphate).
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New safety recommendations have been issued while an EU review evaluates cases of neural tube defects in babies born to mothers who became pregnant while taking the HIV medicine dolutegravir.
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Letters were sent about azithromycin, Lynparza▼(Olaparib), Xgeva▼ (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…
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Use materials online now and hardcopies arriving over the coming weeks by post to ensure women and girls of childbearing potential on valproate medicines meet the requirements of the Pregnancy Prevention Programme.
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Valproate medicines must no longer be used in women or girls of childbearing potential unless a Pregnancy Prevention Programme is in place. Ensure all women and girls (and their parent, caregiver, or responsible person, if n…
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An alert was issued about T34 ambulatory syringe pumps.
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Temporary safety measures are in place while an EU review investigates the link between cases of serious liver injury, including 4 cases requiring liver transplantation, and Esmya for uterine fibroids.
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Letters were sent about ellaOne, ERWINASE, Eperzan▼, Ocaliva▼, Velcade, Esmya, and Bleo-Kyowa.
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Monitor patients closely and remove the vaginal delivery system immediately in cases of excessive or prolonged uterine contractions, at the onset of labour, or if there is clinical concern for mother or baby.
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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…
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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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Alerts were recently issued about BD Alaris/Asena syringe pumps and Maxter Catheters nasogastric (NG) feeding tubes.
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If constipation occurs during treatment with clozapine (Clozaril, Denzapine, Zaponex), it is vital that it is recognised and actively treated.
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There have been reports of cardiac events including QT prolongation, torsades de pointes, and cardiac arrest in patients who have taken high or very high doses of loperamide as a drug of abuse or for self-treatment of opioid…
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We have received reports of depression and, in rare cases, suicidal thoughts in men taking finasteride 1 mg (Propecia) for male pattern hair loss. Be aware that depression is also associated with finasteride 5 mg (Proscar).
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A summary of letters sent to healthcare professionals, including an important reminder about the withdrawal of retigabine (Trobalt) from the market.
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Babies born to mothers who take valproate medicines (Epilim▼, Depakote▼) during pregnancy have a 30–40% risk of developmental disability and a 10% risk of birth defects. Despite communications to prescribers in January 2015 …
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A summary of letters sent to relevant healthcare professionals in January 2017.
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There is an increased risk that some patients may experience psychiatric symptoms with apremilast, including depression and suicidal thoughts. Stop treatment if patients have new psychiatric symptoms or if existing symptoms …