Valtrex (Valacyclovir)

Rx Prescription Required

Select your dosage below to view Valtrex cost and place your order. Save up to 90% and get FREE standard shipping on prescription medication delivered to your door.

Valtrex 500mg
Valacyclovir Hydrochloride
GlaxoSmithKline Inc.
Valtrex 1000mg
Valacyclovir Hydrochloride
GlaxoSmithKline Inc.
Valtrex 250mg
Valacyclovir Hydrochloride
GlaxoSmithKline Inc.
Valtrex 500mg
Valacyclovir Hydrochloride
GlaxoSmithKline Inc.
Valacyclovir 500mg
Valacyclovir Hydrochloride
UK Various Generics
Valtrex 1000mg
Valacyclovir Hydrochloride
GlaxoSmithKline Inc.
Valacyclovir 500mg
Valacyclovir Hydrochloride
Teva Pharmaceuticals
Valacyclovir 1000mg
Valacyclovir Hydrochloride
Apotex Inc
Valacyclovir 500mg
Valacyclovir Hydrochloride
Valacyclovir 1000mg
Valacyclovir Hydrochloride

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Medically reviewed by Dr. Samuel Maaiah, PharmD

Last updated: February 13, 2022

Dr. Maaiah is a PharmD graduate who has practiced both in pharmaceutical consulting and retail pharmacy. His interests include consulting and the development and approval of new therapeutics. He currently works as a Medical Information Consultant (MIC) and as a retail pharmacist. As a MIC he helps pharmaceutical companies with projects and by consulting as a medical information expert.

When Dr. Maaiah is not working, he enjoys spending time with his family and friends, doing outdoor activities, working out, and reading.

Order Online

How to buy Valtrex (Valacyclovir) online?

Valtrex (Valacyclovir) can be ordered online through or by calling 1-800-828-4489 and speaking to customer support. The chat feature can also be used for support. For more information please visit the “How to Order” page.

Is a prescription required?

Yes, a valid prescription from your doctor is required. Valtrex (Valacyclovir) is a prescription medication and can only be sold with a prescription. To process your order, you will need to submit a prescription. The prescription can be emailed ([email protected]), faxed (1-800-416-8019), or uploaded. Alternatively, we can reach out to your doctor to attain a valid prescription if you would like.

What is the maximum amount that can be ordered?

A 3-month supply (90 days) is the maximum amount that can be ordered at one time. Refills are kept on file for future orders. The amount that can be ordered will be based on the directions and quantity indicated on the prescription from your provider.

Is it safe to order from Canadian Pharmacy Online?

Absolutely. All our partner pharmacies are fully licensed and certified in their respective countries. We ensure that your shopping experience is safe and secure with our Norton Shopping Guarantee. We operate just like your local pharmacy would, with our main priority being to provide you access to safe and affordable prescription medication.

Valtrex Cost

How much does Valtrex (Valacyclovir) cost?

Valtrex 1g (Brand) – 21 Tablets

  • Average US retail Price – $568.22
  • Our price – $112.00

Valacyclovir 1g (generic) – 30 Tablets

  • Average US retail Price – $165.79
  • Our price – $50.00

At, we make sure to keep drug prices low. You can view the Valtrex (Valacyclovir) cost savings above.

What is the lowest price of Valtrex (Valacyclovir) per unit?

Lowest Price Per Unit: $0.87/unit for generic Valtrex (Valacyclovir) 1g tablets 

Is this price for Valtrex (Valacyclovir) without insurance?

The listed prices are not with insurance. Unfortunately, we cannot accept insurance. However, we will give you an official receipt which you can use to apply for reimbursement with your insurance company. We are also unable to adjudicate with US insurance providers.

Why is Valtrex (Valacyclovir) cheaper from Canada than from the United States?

Drug prices in Canada and from other countries we source medication from are negotiated and regulated. The US is a free market economy which is why the price differs since pharmaceutical suppliers can charge what they determine appropriate for the product. As a result, we can offer lower prices to our patients as we utilize medications from these countries. 

Valtrex Coupon

Is there a coupon for Valtrex available?

Sorry, we do not have a Valtrex Coupon at this time.

Valtrex Generic

Is there a lower cost generic Valtrex (Valacyclovir) available?

Valtrex (Valacyclovir) is available as a generic alternative.

How much cheaper is generic Valtrex (Valacyclovir)?

Generic Valtrex (Valacyclovir) is $62 cheaper than brand Valtrex.  

What is the difference between brand and generic Valtrex (Valacyclovir)?

There is no difference between generic and brand Valtrex. Generic formulations of medications contain the same active ingredients and meet the same quality, strength, and purity standards as the brand formulation.


Is shipping available to the United States?

Yes. An email notification will be sent to you once the item has been shipped. We ship nationwide across the United States.

How much does shipping cost?

Standard shipping is free.

Is express shipping available?

If a product of Canada is available then express shipping can be selected with an estimated delivery time of 3-5 business days. You have the option at the checkout page to select the express shipping option ($25) if available for that medication source.

Refill Rx

How to refill a prescription?

Refilling your prescription is made easy with Canadian Pharmacy Online. You can sign into your online account and view your previous orders and see which prescriptions we have on file. Placing a refill order online is made simple by accessing the reorder section in your account.

You can also call us at 1-800-416-8019 and speak to customer support to place a refill. Our live chat is also a great place to connect with us to place a refill order while you are on the go.

Are prescriptions automatically refilled?

We do not automatically refill prescriptions as there can be cases where you are no longer taking the medication, your doctor has changed your dose, etc. However, we provide a friendly refill reminder service. We will kindly notify you by phone or email as to the best time to place a refill order based on your prescription history.

Drug Information

About Valtrex (Valacyclovir)

What is Valtrex (Valacyclovir)?

Valtrex is a prescription medication that is classified as an antiviral agent.


What is Valtrex used for? 

Valtrex (Valacyclovir) is used to treat cold sores, genital herpes, and herpes zoster in adults and treat cold sores and chickenpox in pediatric patients. Valtrex (Valacyclovir) is also approved for suppression in immunocompetent patients. 

How does it work?

It inhibits the replication of viral herpes DNA by competitive inhibition of viral DNA polymerase, incorporation and termination of the growing viral DNA chain, and by inactivating viral DNA polymerase



How do I take Valtrex (Valacyclovir)? 

Your doctor will instruct you on how much and how frequently this medication should be taken; however, it is most effective when you take it at the first sign of a herpes breakout. Take this medication with lots of fluids to prevent kidney problems. 

What dosages are available?

Valtrex (Valacyclovir) is available as brand 250mg, 500mg, and 1g tablets and as generic 500mg and 1g tablets. 

What is the recommended dosage?

Because Valtrex (Valacyclovir) can be given for a variety of conditions you should consult your doctor for appropriate dosing for your condition. 

What is the maximum dosage?

The maximum recommended dosage is 3g/day.

What if I miss a dose?

If you miss a dose, take it as soon as you remember. If it is relatively close to when your next dose is due, wait until then and take a normal dose. Do not take an extra dose to make up for the missed dose. 

Warnings & Precautions

What should you know before you take Valtrex (Valacyclovir)?

Patients with HIV taking this medication are at risk for developing thrombotic thrombocytopenic purpura or hemolytic uremic syndrome (TTP/HUS) which are rare blood clotting disorders that put patients at risk for severe complications. Patients should have regular exams to assess for presentation. 

Patients with existing renal dysfunction or patients on numerous other medications that are potentially nephrotoxic should exercise caution with this medication as it can cause acute renal failure. 

Elderly patients should exercise caution with this medication as some patients have reported agitation, confusion, and even hallucinations while taking this medication. 

Side Effects

What are the side effects of Valtrex (Valacyclovir)?

Some common (>10%) side effects include:

  • Headache
  • Nausea 
  • Abdominal pain 

Speak to your doctor for a full list of side effects.


Does this medication interact with other drugs, foods, or alcohol?

Valtrex (Valacyclovir) has no clinically significant drug interactions. 


How should this medication be stored?

Store Valtrex (Valacyclovir) at room temperature.

Pharmacist Tips

  • Ensure you are aware of the appropriate directions for your Valtrex (Valacyclovir) as it is used for a variety of conditions with different dosing recommendations. 
  • If you are taking this medication in a suppressive capacity ensure you take it exactly as prescribed to prevent outbreaks. 
  • Do not have sexual intercourse with a partner if you have symptoms of an outbreak. 

The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.


Save $10 on your first order!
Enter Canadian Pharmacy Online coupon code CPO10 to save $10 off your order. Minimum $50 order value. *Coupon codes are one-time use and cannot be combined.

Valtrex FAQ

What should I avoid while taking Valtrex (Valacyclovir)?

Patients should avoid other medications that could put them at increased risk for developing a kidney injury (eg NSAIDS). 

What happens when you stop taking Valtrex (Valacyclovir)?

You should not discontinue Valtrex (Valacyclovir) unless otherwise instructed by your doctor as this could put you at increased risk of symptom presentation. 

Does Valtrex (Valacyclovir) weaken your immune system

Valtrex (Valacyclovir) does not weaken your immune system, patients are often given Valtrex (Valacyclovir) if they have compromised immune systems as they can not adequately suppress herpes zoster. 

How long does it take Valtrex (Valacyclovir) to clear up an outbreak?

Clearing up an outbreak depends on a number of factors such as extent, location, and timing. For most presentations it takes roughly 10 days for lesion clearance. 

How long does Valtrex (Valacyclovir) stay in the body?

Valacyclovir is rapidly converted to acyclovir by your body, acyclovir has a 2.5 to 3.3-hour half-life. Given this information, it would take about 16.5 hours to clear it completely from your body. 

The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.