Zostavax® has been linked to serious and sometimes life-threatening side effects.
Pamela Counselman, 62, says four months after she received the Zostavax vaccine she had a stroke. She feels the vaccine caused her stroke and says she wasn't properly warned about the risks.
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Even as Merck & Co. confronts the prospect of a tough market competitor in GlaxoSmithKline’s Shingrix, the drugmaker’s shingles vaccine Zostavax faces a growing challenge in court. Eighteen patients have filed a liability lawsuit against Merck, alleging the company produced and sold an “unreasonably dangerous vaccine” that caused serious injuries after vaccination.
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Two important FDA approved changes to the warning label of Merck Pharmaceutical’s shingles vaccine, Zostavax, have been made since the controversial drug was introduced in 2006. The first was in August 2014, when, in addition to potentially causing chickenpox, another side effect was added: shingles!
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Acute retinal necrosis (ARN) is a severe viral infection of the retina that can lead to significant vision loss. Varicella-zoster virus (VZV) and herpes simplex virus are thought to cause ARN. Recent studies suggest that VZV is implicated in most cases.
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