Half-life

Anonymous
October 12, 2008 at 2:03 am

[COLOR=black]Hello Ron,[/COLOR]
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[COLOR=black]IVIg is said to have a half-life of 21 days. As Emily said, that means at 21 days, half of the dose remains. However, it does NOT mean that at 42 days, it is completely gone. It means that one quarter of the dose remains. At 63 days, one eight of the dose remains.[/COLOR]
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[COLOR=black]However, that may not mean much in the dose/frequency for you. For example, let’s say you find that 1 g/kg every other week is more effective than 2 g/kg once a month. The total load at one time is not so different, but you may need just that extra little bit.[/COLOR]
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[COLOR=black]Do all the things Emily said to do. While I have only gotten IVIg when it seemed plasmapheresis was not working (turns out I needed a more aggressive combination therapy), I did most of those things and suffered only a headache, and that was clearly flow dependent.[/COLOR]
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[COLOR=black]Godspeed with this. It may take a while to find the right dose, brand, frequency, rate, and so on, but keep with it. It is worth walking. [/COLOR]
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[COLOR=black]MarkEns[/COLOR]
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