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Valaciclovir, also spelled valacyclovir, is an antiviral medication used to treat outbreaks of herpes simplex or herpes zoster (shingles). [2] It is also used to prevent cytomegalovirus following a kidney transplant in high risk cases. [2] It is taken by mouth. [2] Common side effects include headache and vomiting. [2]
The recommended dosage for suppression therapy for recurrent outbreaks is 1,000 mg of valacyclovir once a day or 400 mg Acyclovir taken twice a day. In addition to preventing outbreaks, these medications greatly reduce the chance of infecting someone while the patient is not having an outbreak.
Shingles, also known as herpes zoster or zona, [6] is a viral disease characterized by a painful skin rash with blisters in a localized area. [2] [7] Typically the rash occurs in a single, wide mark either on the left or right side of the body or face. [1] Two to four days before the rash occurs there may be tingling or local pain in the area.
Treatment: There are several antiviral medications to treat shingles, including acyclovir, valacyclovir, and famciclovir, per the CDC. Cool compresses, oatmeal baths, and calamine lotion may also ...
Valaciclovir (Valtrex) [20] Herpes Simplex/Zoster Valganciclovir (Valcyte) [21] Cytomegalovirus (CMV) Vicriviroc: HIV-1: Schering-Plough pyrimidine CCR5 entry inhibitor Vidarabine: Herpes Simplex, Varicella Zoster: Zalcitabine: HIV Zanamivir (Relenza) [22] Influenza A, Influenza B Zidovudine: HIV [23] Antiretroviral
Prevention of herpes viruses in immunocompromised people (such as people undergoing cancer chemotherapy) [17] It has not been found to be effective against Epstein–Barr virus and its associated infectious mononucleosis. [18] Aciclovir risks causing resistance to antiviral agents, and in 1% to 10% of cases can cause unpleasant side effects. [19]