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Medication To Treat & Prevent Infections Caused by Herpes Viruses

Acyclovir is an antiviral medication. It is prescribed by most doctors for the treatment and prevention of infections caused by herpes viruses such as:

  • Chickenpox (varicella)
  • Acute shingles (herpes zoster)
  • Cold sores
  • Genital herpes
  • Encephalitis (inflammation of the brain)
Acyclovir Tablets (EKOVIR-800)

Acyclovir is sometimes used to treat eczema herpeticum and oralhairy leukoplakia. It is also used for the prevention of herpes infections ofthe skin, nose and mouth among patients with HIV.

Acyclovir is approved by the Food and Drug Administration orFDA as a prescription drug. It is commonly used as an oral treatment, topicaland injectable for herpes infections. Acyclovir helps treat the pain associatedwith a genital herpes outbreak. It is sometimes used for the prevention ofgenital herpes outbreak in people who are infected with the virus. It speeds upthe healing of blisters or sores in people with shingles and chickenpox.

How to take Acyclovir?

Acyclovir treatment starts as soon as the first symptomsappear. This may include blisters, tingling and burning sensation. TakeAcyclovir exactly as prescribed by your physician. For oral suspension, shakethe bottle well every time you take the medication. Use the dose-measuringspoon or device that comes along with the medicine. For the oral tablet, takeit with plenty of water to keep your kidney working properly.

Genital Herpes:

The recommended initial dose is 200 mg every 4 hours for 10days. For intermittent recurrence, take 200 mg every 4 hours for 5 days. Forchronic suspension recurrence, take 400 mg every 12 hours for 12 months.


  • Adult–For acute treatment, take 800 mg every 4 hours for 7 to 10 days
  • Pediatric– 20mg/kg IV every 8 hours for 7 days for children youngerthan 12 years of age. For children older than 12 years of age, take 800 mgevery 4 hours for 7 to 10 days.


  • Adult–Take 800mg every 6 hours for 5 days
  • Pediatric– The recommended dose is 20 mg/ kg every 6 hours for 5 daysfor children below 40kg. Children who weight greater than 40kg, the dose is800mg every 6 hours for 5 days.

What are the side effects ofacyclovir?

Common side effects are:

  • Nausea and vomiting
  • Diarrhea
  • Abdominal pain
  • Headache
  • Feeling unwell

Serious side effects are:

  • Hives
  • Itching
  • Weakness
  • Pale skin
  • Difficulty sleeping
  • Blood in the urine
  • Swelling of the face, throat, eye, hands, feet andlegs
  • Confusion
  • Seizures

Important Information

  • Herpes virus infections are contagious. Peopleinfected with this type of virus can spread the virus even while they are undertreatment. To prevent the infections from spreading, avoid contact with otherpeople. Avoid letting infected areas comes in contact with other people.
  • Pregnant women with genital herpes can pass thevirus to their baby during childbirth.
  • Speak with your physician if you are taking anyother medications.
  • Patients with a reduced kidney function must usethis medication with caution.

Disclaimer Notice:

All information contained on this page, including information related to medical and health conditions or products and treatments, is for informational purposes only. It is not meant to serve as a substitute for the advice provided by your own physician or other medical professionals or any information contained on or in any product packaging or labels. This information is thus often presented in a summary or aggregate form.

You should not use any of the information contained on this page for diagnosing a health problem or prescribing a medication. This information is provided by the manufacturers of the products on or in the product packaging and labels for you to carefully read before using any product purchased on the website. It is always advised to consult your own physician and / or medical advisor before buying it.

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