If patients feel unwell taking the Teva levothyroxine tablets they should report them to their healthcare professional because adjustments to the dose of levothyroxine may be required. The following patients may be particularly susceptible to changes in thyroid stimulating hormone (TSH) and may require close monitoring by their doctor: pregnant women, those with heart disease.
3. The MHRA is the government agency responsible for ensuring that medicines and medical devices work, and are acceptably safe. No product is risk-free. Underpinning all our work lie robust and fact-based judgements to ensure that the benefits to patients and the public justify the risks.
Feb 21, 2012.
We keep watch over medicines and devices, and take any necessary action to protect the public promptly if there is a problem. We encourage everyone the public and healthcare professionals as well as the industry to tell us about any problems with a medicine or medical device, so that we can investigate and take any.
This follows manufacturing difficulties and concerns that the product might not be interchangeable with other available levothyroxine 100 mcg tablets. This may lead to a loss of control of hypothyroidism when switching between products.
Only levothyroxine 100 mcg tablets supplied in the Teva and Numark brands are affected. As this medicine is a generic, alternative products are available and most patients are unlikely to notice any change if they are switched from the Teva product to another levothyroxine product.
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CHM concluded that these data raised uncertainty as to whether Tevas product was interchangeable with other levothyroxine products. 2. The suspension will remain in place until Teva has completed its investigation and resolved the underlying issues.
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Further information is published in a questions and answers document (47Kb) on the MHRA website: Notes to Editor 1. The MHRA and its independent advisory body the CHM (Commission on Human Medicines) considered all available data including: the reported defects; information relating to the manufacturing process; and the results of studies conducted by the MHRA.
As a precautionary measure, whilst investigations are ongoing, Teva has voluntarily ceased manufacture and distribution in line with the CHM recommendation. The CHM review concluded that it might not be possible to switch use of the Teva product with other levothyroxine products, and that no further supplies of the product should be released for marketing.
Jan 12, 2013.
Oct 28, 2015.
May 9, 2012.
For those patients an early appointment with their doctor may be needed. After dose adjustment of levothyroxine, consistent with usual practice, TSH should be retested after a period of six weeks to confirm blood levels are stabilised within the normal range as determined by their doctor.
Mar 8, 2012.