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Doctor insights on: Famciclovir Side Effects

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Dr. Katharine Cox
39 doctors shared insights

Famciclovir (Definition)

Famciclovir is a herpes viruses agent which is a kind of anti-viral ...Read more


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What are side effects to look for when starting famciclovir for cold sores?

What are side effects to look for when starting famciclovir for cold sores?

Blood dyscrasia/CNS: But why use this for cold sores given the risk:benefit ratio?, unless, perhaps, one can start tx before the eruption emerges. ...Read more

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Doctor says I have a mild case of shingles. Pain on saturday then diagnosis on thursday with2 ( now 3 ) bumps on left side. Would i be ok w/o famvir (famciclovir) ?

Doctor says I have a mild case of shingles. Pain on saturday then diagnosis on thursday with2 ( now 3 ) bumps on left side. Would i be ok w/o famvir (famciclovir) ?

Herpes Zoster: Famvir (famciclovir) is approved for treating herpes zoster (shingles). Whether you take it or not is best addressed w/your doc. However, if you don't take it, you run a greater risk of post-herpetic neuralgia, which is very painful. ...Read more

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Can I cut famciclovir in half?

Can I cut famciclovir in half?

Not advised: This is not advised unless you discuss this with the physician prescribing the medication. ...Read more

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Is it ok to cut famciclovir in half to swallow?

Perhaps: In that the tablets of Famciclovir are not scored, it is not the original intention of the producers that this medication be broken in half. There is a film-coating that overs the tablet helping to shield the medication taste. Nonetheless, your local pharmacist is always the best reference to ask medication questions such as this. ...Read more

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Is famciclovir an alternative for acyclovir?

Is  famciclovir  an alternative for acyclovir?

Yes: Same spectrum of activity, but different dose and dosing schedule. ...Read more

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What are the indications for famciclovir?

What are the indications for famciclovir?

Herpes infections: The indications for using Famciclovir include: treatment of herpes zoster (shingles), herpes simplex virus 2 (genital herpes), herpes labialis (cold sores) in immunocompetent patients, for the suppression of recurring episodes of herpes simplex virus 2, etc... However, doctors may use the anti-viral for other infections if there is good reason to believe it is helpful. ...Read more

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I've been prescribed famciclovir 3 times a day. How many hours should be between each time I take the medicine?

I've been prescribed famciclovir 3 times a day. How many hours should be between each time I take the medicine?

Doesn't matter: Roughly every 8 hours, but it doesn't really matter. Take a dose at bedtime, when you wake up, and about half way between those times. It won't matter if some doses are 1-2 hours early or late. ...Read more

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Will famciclovir (famvir) affect blood sugar?

Will famciclovir (famvir) affect blood sugar?

No: Blood sugar fluctuation is not a common effect of famvir, (famciclovir) however, any kind of infection can interfere with glucose regulation. ...Read more

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Does famciclovir help prevent the actual spread of herpes?

Yes: Yes, drugs that treat or prevent herpes (acyclovir, valacycovir, and famciclovir) also reduce the likelihood that it will be transmitted to others. ...Read more

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Is famvir (famciclovir) effective for cold sores?

Yes: If taken at first sign of outbreak at adaquate dosing(1500mgm as single dose) should be sufficient. ...Read more

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Acyclovir and famvir, (famciclovir) can I take both?

Pointless: They're almost the same medication, so there would be no point. Take one or the other. ...Read more

Dr. Tanya Russo
39 doctors shared insights

Famvir (Definition)

Famvir is a herpes viruses agent which is a kind of anti-viral ...Read more