Valaciclovir 500mg

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Fast and effective anti-viral treatment for current and future outbreaks of herpes.

Please note Aciclovir is just as effective at treating Herpes and is available at a lower cost.

Looking for Cold Sore Treatment? Click here to see Valaciclovir for Cold Sores

Genital Herpes Treatment

What is Valaciclovir and how does it work?

Valaciclovir is an antiviral treatment for herpes including genital herpes. It is the precursor for Aciclovir, that is, it converts into Aciclovir in the body. Therefore, it stays in the body longer and does not need dosing as often.

How do I take Valaciclovir?

You should swallow Valaciclovir at a dose of 500mg twice a day whole with water, for five days. It is recommended to extend the treatment for 10 days for the first outbreak of genital herpes. For suppressing genital herpes, one tablet of 500mg per day is the required dose. Make sure you keep hydrated during the treatment as the effects of Valaciclovir are quite harsh on the kidneys.

How effective is Valaciclovir?

Valaciclovir accelerates the resolution of pain and reduces duration of pain in patients. When taken twice daily, Valaciclovir has shown to have similar effects in treating genital herpes as Aciclovir. It has also proven to be effective in treating cold sores and other HSV infections of the skin. Furthermore, it reduces risk of transmission of genital herpes when taken as suppressive therapy in combination with using barrier methods for safe sexual intercourse.

What is the difference between Valaciclovir and Aciclovir?

Valaciclovir turns into Aciclovir in the body and is better absorbed. Therefore, it remains in the body for a longer time and so less frequent dosing is required.

What is Valtrex?

Valtrex is the branded name for Valaciclovir. Generic Valaciclovir and the branded version are medically equivalent in strength and efficacy. The only difference between the two is that the generic version is available at a lower price.

Like most medications, Valaciclovir has some side effects, although they might not affect everyone. The most common ones are:

  • Headaches
  • Nausea
  • Dizziness
  • Skin rashes

 Information Leaflet

Always read the patient information leaflet before commencing treatment.

Important: We advise you to always read the patient information leaflet inside the medication box, as the generic medication may not always entirely match the patient information leaflet listed. Please contact us if you have any questions.

Written and reviewed by our qualified team

GPhC Number: 2088658

Carolina Goncalves

Authored by:

Carolina Goncalves


GPhC Number: 2225869

Rehma Gill

Reviewed by:

Rehma Gill


Find out more about how we ensure the accuracy of our content with our content guidelines.

Content last updated: 17 Oct 2023

Valaciclovir Reviews

9.8/ 10
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Based on 136 independent customer reviews taken by Feefo (see all Feefo Reviews), Google and Trustpilot (see all Trustpilot Reviews).

(read on Feefo)
"Awesome service"

Product Review:

"Good quality tablets, they have helped me loads"

Service Review:

"Super fast delivery on products that I ordered, tablets are of a good quality, i will be ordering from pharmica all the time now. Thank you"

(read on Feefo)
"Easy to place orders. Quick delivery."

Product Review:

"The product is as described. And did the purpose."

Service Review:

"Easy to place orders. Quick delivery."

"The repeat order button makes ordering…"

Product Review:

"Effective "

Service Review:

"The repeat order button makes ordering medication easy. Typically orders have arrived very quickly which gives peace of mond"

"Very simple process and prompt delivery"

Product Review:

"I have found this to be a good product that actually works."

Service Review:

"Very simple process and prompt delivery"

left on Trustpilot

Product Review:

"Seems the better choice for value per tablet , when you re order"

(read on Feefo)

Product Review:

"Quick and efficient and effective"

Service Review:

"Quick and efficient"

"Very fast and accurate"

Product Review:

"A bit costly "

Service Review:

"Very fast and accurate"

(read on Feefo)
"100% Happy"

Product Review:

"waiting to see if this slightly cheaper medicine helps and also saves me money"

Service Review:

"very good service from ordering your medicine online.then delivered to your front door !"

(read on Feefo)
"Good stuff"

Product Review:

"Does what it’s says on the tin"

Service Review:

"Does what it says on the tin"

(read on Feefo)
"Great Service"

Product Review:

"Love it here so quick and easy"

Service Review:

"Fantastic service"

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