Primary infection caused by varicella-zoster virus (VZV) is manifest by varicella (chickenpox), while reactivation of latent virus causes herpes zoster (shingles)
Valtrex
Valacyclovir is also used to treat outbreaks of genital herpes
OR
Comparing Acyclovir vs Valtrex
Antiviral Agents / adverse effects* Antiviral Agents / therapeutic use
It is also used to treat chickenpox and cold sores in children
Antivirals (acyclovir, famciclovir, valacyclovir), especially for patients who are immunocompromised Wet compresses are soothing, but systemic analgesics are often necessary
Valacyclovir's oral bioavailability is more than 55%, which allows comparable blood levels to parenteral acyclovir
At 1 yr, if used for suppression, should give pt a drug holiday and determine if sx recur
Famciclovir for Genital herpes
But it can be made by a compounding Oral acyclovir, valacyclovir, and famciclovir are effective in treating acute recurrence of herpes labialis (cold sores)
Famciclovir is active against the same viruses as acyclovir but has a longer duration of action
Prescribed for Cold Sores, Herpes Simplex, Herpes Simplex - Congenital, Herpes Simplex - Suppression, Herpes Zoster, Ramsay Hunt Syndrome Acyclovir (ay-sah-EE-kluh-veer) Valacyclovir (va-luh-sah-EE-kluh-veer) Famciclovir (fam-sah-EE-kluh-veer) These medicines shorten the length and severity of the illness
Pasternak B, Hviid A
Famciclovir is another prednisone, valacyclovir, Valtrex, Zovirax, Deltasone, tetracaine topical, famciclovir How should I take acyclovir? Follow all directions on your prescription label and read all medication guides or instruction sheets
, Esmann J
In one study, valacyclovir was confirmed to alleviate the pain related to herpes zoster; moreover, it had a similar safety profile to that of acyclovir ( 3 )
Famciclovir is used to treat the symptoms of herpes zoster (also known as shingles), a herpes virus infection of the skin
1,2 In herpes zoster
You’ll either take four 500 mg tablets or two 1 gram tablets for each dose
“Ganciclovir is very expensive, and trifluridine is very toxic to the surface of the eye,” he says