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You should take caution when you use NSAIDs in patients with renal impairment or are at risk.
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Use restricted to adults with advanced or metastatic breast cancer only.
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New recommendations after a Europe-wide review of cardiovascular safety.
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Summary report on the risk of suicidal thoughts and behaviour related to antidepressants.
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Atypical femoral fractures reported rarely with bisphosphonate therapy, mainly in patients receiving long-term treatment for osteoporosis.
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Patients receiving apomorphine and domperidone require an assessment of cardiac risk factors and ECG monitoring to reduce the risk of serious arrhythmia related to QT-prolongation.
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Epidemiological data suggest that the use of SSRIs in pregnancy, particularly in the later stages, may increase the risk of persistent pulmonary hypertension in the newborn. Healthcare professionals are encouraged to enquire…
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Risk of serious haemorrhage—clarified contraindications apply to all 3 medicines.
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MHRA has received reports of unintentional overdose of fentanyl due to dosing errors, accidental exposure, and exposure of the patch to a heat source.
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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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Abacavir should be used in line with current treatment guidelines and with caution in patients with high cardiovascular risk factors.
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Systemic piroxicam should be initiated only by specialists as a second-line treatment for arthritis, with patients who currently take piroxicam reassessed at a routine appointment.
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In April 2016, letters were sent regarding canagliflozin (Invokana▼, Vokanamet▼), BCR-ABL tyrosine kinase inhibitors, pomalidomide (Imnovid▼), and retigabine (Trobalt)
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Use baricitinib with caution in patients with diverticular disease and in those concomitantly treated with medications associated with an increased risk of diverticulitis.
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Remain vigilant for signs and symptoms of bleeding complications during treatment with DOACs (apixaban, dabigatran, edoxaban, rivaroxaban), especially in patients with increased bleeding risks. Specific reversal agents are a…
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Last month, letters were sent regarding SGLT2 inhibitors and Xgeva▼ (denosumab).
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A summary of recent letters, medicine recalls and notifications sent to healthcare professionals
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Cases of severe hypersensitivity syndromes, sometimes fatal, have been reported with etravirine.
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A signal of increased lower limb amputation (primarily of the toe) in people taking canagliflozin compared with placebo in a clinical trial in high cardiovascular risk patients is currently under investigation.
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A case of progressive multifocal leukoencephalopathy (PML) with a fatal outcome was reported in a patient with rheumatoid arthritis who had not previously received treatment with methotrexate or a TNF antagonist.
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Indication restricted to nausea and vomiting, new contraindications, and reduced dose and duration of use.
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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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In March 2016, letters were sent regarding SGLT2 inhibitors, insulin lispro, natalizumab, noradrenaline, radium-223 dichloride, aflibercept and idelalisib.
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Decreased vitamin B12 levels, or vitamin B12 deficiency, is now considered to be a common side effect in patients on metformin treatment, especially in those receiving a higher dose or longer treatment duration and in those …
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Atomoxetine is associated with treatment-emergent psychotic or manic symptoms in children and adolescents - consider stopping this if symptoms occur.
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Five cases of necrotising fasciitis have been reported in patients treated with panitumumab in combination with chemotherapy.
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Fatal cases of tumour lysis syndrome (TLS) have been reported, some occurring in patients with chronic lymphocytic leukaemia receiving the lowest venetoclax dose used in the dose-titration schedule. For all patients, it is i…
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Incorrect dosage of bivalirudin in percutaneous coronary intervention can lead to major adverse cardiac events.
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Healthcare professionals reminded that tacrolimus may be associated with possible risk of malignancy.
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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 …
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Onsenal▼ (celecoxib) is no longer approved in Europe for the reduction of intestinal polyps in familial adenomatous polyposis (FAP).
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Prescribing information has been updated to introduce a lower recommended dose of 60 mg daily for patients with rheumatoid arthritis or ankylosing spondylitis.
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Available evidence shows that the risk of blood vessel blockage with ponatinib is likely to be dose-dependent, however the data are insufficient to recommend reducing the ponatinib dose.
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Healthcare professionals should be aware of this risk when prescribing prasugrel.
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Updated contraindications and maximum dose recommendations when taken with a number of other medicines.
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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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Patients should be advised to promptly report to their doctor any changes in their breast tissue such as lumps, pain, or nipple discharge.
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Initiate orlistat treatment only after careful consideration of the possible impact on efficacy of antiretroviral HIV medicines.
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Prescribers should consider reducing the dose of ponatinib to 15 mg a day for patients with chronic phase chronic myeloid leukaemia (CP-CML) who have achieved a major cytogenetic response.
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Recent epidemiological evidence of an increased risk of fracture with long-term use of proton pump inhibitors (PPIs).…
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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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Patients should be assessed regularly due to reported cases of suicidal ideation and suicidal behaviour during treatment with duloxetine or shortly after stopping treatment.
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Febuxostat must be stopped immediately if hypersensitivity occurs and must not be re-started in patients who have ever developed a hypersensitivity reaction to febuxostat.
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MHRA has received a small number of reports suggesting lack of efficacy (thromboembolic events) in patients taking 15 mg or 20 mg rivaroxaban on an empty stomach; remind patients to take 15 mg or 20 mg rivaroxaban tablets wi…
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Use trametinib, authorised either as monotherapy or combined with dabrafenib, with caution in patients with risk factors for gastrointestinal perforation.
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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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New advice to minimise risk
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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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Letters were sent to healthcare professionals about Lartruvo▼ (olaratumab), quadrivalent influenza vaccine (split virion, inactivated), SGLT2 inhibitors, and carbimazole and thiamazole (synonym: methimazole)-containing products.…
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Risk of thrombosis and haemorrhage in patients with prosthetic heart valve(s) requiring anti-coagulant treatment.