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If a patient reports persistent symptoms when switching between different levothyroxine tablet formulations, consider consistently prescribing a specific product known to be well tolerated by the patient. If symptoms or poor…
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Healthcare professionals should advise patients who need re-vaccination with Pneumovax II to expect a more intense reaction than after their first vaccination.
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…vaccination.…
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Recent information relating to COVID-19 vaccines that has been published since the July 2021 issue of Drug Safety Update.
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…7 January 2021 - Advice from the MHRA on the COVID-19 vaccines authorised for use in the UK, including advice for people with allergies and for women during pregnancy and breastfeeding.…
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Recent information relating to COVID-19 vaccines and medicines that has been published since the March 2022 issue of Drug Safety Update, up to 14 April 2022.
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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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Recent information relating to COVID-19 vaccines and medicines that has been published since the February 2023 issue of Drug Safety Update, up to 21 March 2023.…
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No unexpected new safety issues have been identified from Yellow Card reports.
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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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Recent information relating to COVID-19 vaccines and medicines that has been published since the January 2023 issue of Drug Safety Update, up to 21 February 2023.…
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Recent information relating to COVID-19 vaccines and medicines that has been published since the April 2022 issue of Drug Safety Update, up to 13 May 2022.
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Recent information relating to COVID-19 vaccines and medicines that has been published since the December 2022 issue of Drug Safety Update, up to 23 January 2022.
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Recent information relating to COVID-19 vaccines and medicines that has been published since the September 2021 issue of Drug Safety Update, up to 1 October 2021.
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Recent information relating to COVID-19 vaccines and medicines that has been published since the May 2022 issue of Drug Safety Update, up to 17 June 2022.
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Recent information relating to COVID-19 vaccines and medicines that has been published since the January 2022 issue of Drug Safety Update, up to 11 February 2022.
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Recent information relating to COVID-19 vaccines and medicines that has been published since the November 2022 issue of Drug Safety Update, up to 8 December 2022.
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Recent information relating to COVID-19 vaccines and medicines that has been published since the August 2021 issue of Drug Safety Update, up to 9 September 2021.
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Recent information relating to COVID-19 vaccines and medicines that has been published since the September 2022 issue of Drug Safety Update, up to 21 October 2022.
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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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Recent information relating to COVID-19 vaccines and medicines that has been published since the July 2022 issue of Drug Safety Update, up to 19 August 2022.
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Maintenance doses of brolucizumab (after the first 3 doses) should not be given at intervals of less than 8 weeks apart.
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Recent information relating to COVID-19 vaccines and medicines that has been published since the December 2021 issue of Drug Safety Update, up to 13 January 2022.…
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…Cervarix was replaced in the programme by the HPV vaccine Gardasil▼ from September 2012.
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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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Recent information relating to COVID-19 vaccines and medicines that has been published since the October 2021 issue of Drug Safety Update, up to 12 November 2021.
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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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Prescribers and dispensers should use caution if switching patients between different long-acting formulations of methylphenidate (Concerta XL, Medikinet XL, Equasym XL, Ritalin LA, and generics) as different instructions fo…
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Recent information relating to COVID-19 vaccines and medicines that has been published since the June 2022 issue of Drug Safety Update, up to 20 July 2022.
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A summary of recent letters and notifications sent to healthcare professionals about medicines
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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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Premature puberty and genital enlargement have been reported in children who were in close physical contact with an adult using topical testosterone and who were repeatedly accidentally exposed to this medicine. To reduce th…
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Recent information relating to COVID-19 vaccines and medicines that has been published since the February 2022 issue of Drug Safety Update, up to 11 March 2022
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Recent information relating to COVID-19 vaccines and medicines that has been published since the November 2021 issue of Drug Safety Update, up to 3 December 2021.
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The ninth annual #MedSafetyWeek social media campaign is taking place 4 to 10 November 2024.
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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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Caution is required if prescribing febuxostat in patients with pre-existing major cardiovascular disease, particularly, in those with evidence of high urate crystal and tophi burden or those initiating urate-lowering therapy…
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Further to our previous advice in 2016, Public Health England have updated their guidance about live vaccination of infants born to a mother who received immunosuppressive biological therapy during pregnancy.
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Liver monitoring requirements for cladribine in the treatment of multiple sclerosis have been introduced following uncommon cases of serious liver injury. Advise patients to seek urgent medical attention if they develop any …
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Latest evidence suggests long-term use of combined oral contraceptives or progestogen-only injectable contraceptives is associated with a small increased risk of cervical cancer.
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Evidence suggests an increased risk of aminoglycoside-associated ototoxicity in patients with mitochondrial mutations, including cases in which the patient’s aminoglycoside serum levels were within the recommended range. The…
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Serious and life-threatening hypercalcaemia has been reported with denosumab 60mg (Prolia) in children and adolescents in clinical trials for osteogenesis imperfecta and during off-label use. Denosumab 60mg (Prolia) is autho…
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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.…
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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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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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As the safety of COVID-19 antivirals in pregnancy has not been established, please report any pregnancies which occur during use of an antiviral, including paternal use, to the UK COVID-19 Antivirals Pregnancy Registry. This…
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We remind healthcare professionals that elderly patients are at an increased risk of adverse neurological and cardiac effects when being treated with haloperidol for delirium. The lowest possible dose of haloperidol should b…
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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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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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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…