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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]
Herpes outbreaks should be treated with antiviral medications like Acyclovir, Valacyclovir, or Famcyclovir, each of which is available in tablet form. [2] Oral antiviral medication is often used as a prophylactic to suppress or prevent outbreaks from occurring. [13]
Efforts to prevent infection include not having sex, using condoms, and only having sex with someone who is not infected. [2] Once infected, there is no cure. [2] Antiviral medications may, however, prevent outbreaks or shorten outbreaks if they occur. [1] The long-term use of antivirals may also decrease the risk of further spread. [1]
Herpes Simplex, chickenpox, [2] varicella zoster virus: GSK: guanosine analogue RTI 1981 Adefovir: Hepatitis B [3] Gilead Sciences RTI 2002 , 2003 Amantadine: Influenza: Influenza A virus M2 proton channel antagonist Ampligen: Avian Influenza: Immunomodulatory double-stranded RNA: Amprenavir (Agenerase) HIV Protease inhibitor (PI) Umifenovir ...
Most of the antiviral drugs now available are designed to help deal with HIV, herpes viruses, the hepatitis B and C viruses, and influenza A and B viruses. [ 6 ] Viruses use the host's cells to replicate and this makes it difficult to find targets for the drug that would interfere with the virus without also harming the host organism's cells.
Some evidence indicates genetics play a role in the frequency of cold sore outbreaks. An area of human chromosome 21 that includes six genes has been linked to frequent oral herpes outbreaks. An immunity to the virus is built over time. Most infected individuals experience fewer outbreaks and outbreak symptoms often become less severe.
Unless the immune system is compromised, it suppresses reactivation of the virus and prevents shingles outbreaks. Why this suppression sometimes fails is poorly understood, [ 44 ] but shingles is more likely to occur in people whose immune systems are impaired due to aging, immunosuppressive therapy , psychological stress , or other factors.
[1] [9] The rash usually heals within ten days, but the virus remains dormant in the trigeminal ganglion. [1] The virus may periodically reactivate to create another outbreak of sores in the mouth or lip. [1] The cause is usually herpes simplex virus type 1 (HSV-1) and occasionally herpes simplex virus type 2 (HSV-2). [1]
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109 S High St #100, Columbus, OH · Directions · (614) 224-4261