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Medical Forum / Diseases and Disorders / Herpes / May 2007

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Acyclovir - holding the enemy at the gate

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Joe - 16 May 2007 22:15 GMT
When I feel an episode beginning I seem to have 2 choices.
1. Allow things to break out, go through the process and heal up then be OK
for quite a few months.
2. Take acyclovir to prevent it, which it does, but afterwards things seem
to come back much more quickly, even as short as a week or two.
I'm then left with the same choice.
It's as though the little b........ds are waiting to have their way no
matter what and won't rest until they do. The acyclovir only seems to hold
them at the gate and when I stop taking it they walk right on through. Of
course this is not always the case as the virus acts in unpredictable ways
as you all know.
Does anyone else experience this ?
M2slo2cht@nospam.invalid - 17 May 2007 02:20 GMT
>The acyclovir only seems to hold
>them at the gate and when I stop taking it they walk right on through. Of
>course this is not always the case as the virus acts in unpredictable ways
>as you all know.
>Does anyone else experience this ?

I've seen/heard others describe the same thing. And as you correctly
observe, ya jus never know.  And to that I'll add, over time (years)
outbreaks often become less frequent and more preventable with early
use of Acyclovir ("gate" stays closed longer).

M2
Joe - 17 May 2007 08:04 GMT
>>The acyclovir only seems to hold
>>them at the gate and when I stop taking it they walk right on through. Of
[quoted text clipped - 8 lines]
>
> M2

Maybe acyclovir needs to be used for longer after the symptoms recede till
things really calm down. I'll try this next time. The only problem is if
you're doing this all the time, it's almost as though you're on suppressive
therapy again.
M2slo2cht@nospam.invalid - 17 May 2007 12:23 GMT
>Maybe acyclovir needs to be used for longer after the symptoms recede

It's worth a try. Couldn't hurt.

>The only problem is if
>you're doing this all the time, it's almost as though you're on suppressive
>therapy again.

Yup. If episodes are frequent, it could be exactly the same. But if
they're that frequent, suppressive therapy might be the way to go
anyway.
Let us know how it works out for you.

M2
Joe - 23 May 2007 11:39 GMT
Just on suppressive therapy, I was on it for a year when I was first
diagnosed and it held off completely. Then when I came off it started for
real. I get the impression that it's not good to stay on acyclovir for too
long because of side affects, which I never had (as far as I know). Are some
people on it for years and if so is it OK on the body ?

>>Maybe acyclovir needs to be used for longer after the symptoms recede
>
[quoted text clipped - 11 lines]
>
> M2
Tim Fitzmaurice - 23 May 2007 12:05 GMT
> Just on suppressive therapy, I was on it for a year when I was first
> diagnosed and it held off completely. Then when I came off it started for
> real.

There is a phenomenon known as viral rebound that gets tossed around at
scientific conferences related to this happening. Its fairly hotly
debated as to what it means.

> I get the impression that it's not good to stay on acyclovir for too
> long because of side affects, which I never had (as far as I know). Are some
> people on it for years and if so is it OK on the body ?

Yes some people are on it for years. A large scale study followed people
up to 10 years on the drug - that was published in 1995.

This paper is a review of the long term safety issues (the 20 years is the
drug's period clinical use not citing 20 Year continuous use people -
though I imagine there may be a few out there).

Tyring SK, Baker D, Snowden W.
Valacyclovir for herpes simplex virus infection: long-term safety and
sustained efficacy after 20 years' experience with acyclovir.
J Infect Dis. 2002 Oct 15;186 Suppl 1:S40-6. Review

THis review summarises long term use of the drug as most frequent rate of
side effects in the first year of around 5% of patients reporting nausea,
Adverse efects after year 1 they describe as follows based on data from
one of Baker's earlier (1995) publications;
"For the rest of the study to year 10, acyclovir continued to be well
tolerated. Adverse events were rare and mild and generally not thought to
be related to treatment. There was no evidence of serious adverse drug
reactions or cumulative toxicity."

So yes, people are on it for years....

Tim
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When playing rugby, its not the winning that counts, but the taking apart
ICQ: 5178568

Joe - 24 May 2007 00:28 GMT
That's really interesting. Thanks for that. I'll be off for another
prescription then, see you later .............. !

>> Just on suppressive therapy, I was on it for a year when I was first
>> diagnosed and it held off completely. Then when I came off it started for
[quoted text clipped - 33 lines]
>
> Tim
Tim Fitzmaurice - 24 May 2007 07:57 GMT
> That's really interesting. Thanks for that. I'll be off for another
> prescription then, see you later .............. !

Last time I looked most countries had comments inthe prescribing book
to review at regular intervals (be it 6 months or 1 year). I havent
actually looked that up for a few years though. Even if still in place its
just a good idea if you are taking anything long term. Last thing you need
is if you do fall into the wrong side of the stats is to have no safety
net.

Tim
Signature

When playing rugby, its not the winning that counts, but the taking apart
ICQ: 5178568

Joe - 24 May 2007 08:22 GMT
To be honest, I don't think I will go on suppressive therapy long term. The
info though is useful in that I'd be more comfortable about taking more and
for longer to prevent outbreaks when I feel one coming on. I'm lucky in that
its worked well for me so far in totally preventing outbreaks and symptoms
once I start taking it.

>> That's really interesting. Thanks for that. I'll be off for another
>> prescription then, see you later .............. !
[quoted text clipped - 6 lines]
>
> Tim
 
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