Priorix


Manufacturer: GlaxoSmithKline Generic name: Measles, Mumps and Rubella vaccine (live) Priorix Safety GSK presented data which compared the rate of side-effects with another vaccine and according to those figures, Priorix caused most pre-determined adverse reactions less often than the other vaccine. Their product information does not state what the other vaccine was. They also included “unsolicited events” (unlooked-for side-effects) but only for those subjects who completed the trial as per protocol. [1] This would have excluded any who dropped out exactly because of adverse reactions. But even with this little data manipulation, the results still make grim reading. Between 1 in 100 and 1 in 10 subjects suffered pharyngitis, bronchitis, upper respiratory tract infections, allergic reactions, vomiting, headaches, eczema, diarrhoea and otitis media. Fewer than 1 in 100 suffered dermatitis, herpes zoster, viral, bacterial or fungal infections, pneumonia, laryngitis, stridor, enteritis, gastroenteritis, anorexia, stomatitis, insomnia, anaemia, lymphadenopathy, granulocytopenia, exanthema, epididymitis, asthma, colitis, skin exfoliation and others. See below for additional adverse reactions. In addition very serious adverse reactions have been observed since the vaccine was put into use but these are classed as very rare. I’m nevertheless reproducing them here because although they may be very rare, complications from measles, mumps and rubella are also very rare, which means parents may be exchanging very rare complications from the diseases for very rare side-effects from the vaccine. They include: athralgia and arthritis, anaphylactic reactions, meningitis, thrombocytopenia, thrombocytopenic purpura and erythema multiforme. The vaccine can also cause symptoms which are very similar to those caused by the diseases it’s meant to prevent, as well as the complications therefrom.[1] The UK Yellow Card scheme has recorded over 8,000 reports and 28 deaths relating to MMR vaccines but this data covers a 27 year period and there is no certainty that the vaccines really…

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