![After an initially diagnosis of a virus, when Cheryl collapsed and was rushed to hospital she was shocked to discover she had developed a blood clot on the brain - CVST.](/admin/resources/page-share-tell-cheryl-1.jpg)
In September 2019 I became unwell with what I thought was a virus, it
knocked me for six. I couldn't walk up the stairs and had a headache
that I can only describe as ‘the worst headache ever.’
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In September 2019 I became unwell with what I thought was a virus, it
knocked me for six. I couldn't walk up the stairs and had a headache
that I can only describe as ‘the worst headache ever.’
Heather was diagnosed with overproduction of Factor VIII in 2001 (my levels are three half times higher than normal), aged 41.