Notice: Images are for illustration only and may not reflect the exact product you receive. Brand-name medications may look different depending on their country of origin—Canadian versions, for example, often include a "PR" symbol on the packaging. Rest assured, the medication, dosage, and active ingredients will be exactly as prescribed. Canada Pharmacy Store is committed to your health and safety, and we work only with licensed pharmacies to ensure you receive trusted, high-quality medication every time.
Valacyclovir (Generic)
| Valtrex Valacyclovir | ||||||
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Shipped from Canada | ||||||
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| Valtrex Valacyclovir (Valacyclovir Hydrochloride) | ||||||
Shipped from United Kingdom | ||||||
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| Valtrex Valacyclovir (Valacyclovir Hydrochloride) | ||||||
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Shipped from Mauritius | ||||||
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| Select product strength & quantity:
Who is the product for? YouOtherAdd Family Member/PetYou must be logged in to add additional members to the order. Don't have an account? or Add Family Member/PetSign inTo continue, please enter your email address and password that you use for your account. | ||||||
| Select product strength & quantity:
Who is the product for? YouOtherAdd Family Member/PetYou must be logged in to add additional members to the order. Don't have an account? or Add Family Member/PetSign inTo continue, please enter your email address and password that you use for your account. | ||||||
General Medication Fact Sheet for Valacyclovir
| Field | Information |
|---|---|
| Generic Name | Valacyclovir |
| Brand Name Versions | Valtrex |
| Purpose | Antiviral medication used to treat herpes virus infections, including genital herpes, cold sores, and shingles |
| Mechanism of Action | Inhibits viral DNA polymerase, thereby suppressing viral replication |
| Dosage Forms | Oral tablets |
| Available Strengths | 500 mg, 1000 mg |
| Dosage Frequency | Varies by condition; typically once to three times daily, as directed by a healthcare provider |
| Common Side Effects | Headache, nausea, abdominal pain |
| Serious Side Effects | Kidney problems, confusion, seizures, thrombotic thrombocytopenic purpura (TTP)/hemolytic uremic syndrome (HUS) in immunocompromised patients |
| Drug Interactions | Probenecid, cimetidine |
| Important Notes | Start taking at the first sign of an outbreak; maintain adequate hydration; consult a doctor if you have kidney problems or are immunocompromised |
| Storage | Store at room temperature away from moisture and light |
| Missed Dose | Take as soon as you remember; skip if it’s almost time for your next dose. Do not double the dose. |
| Alternatives | Acyclovir, Famciclovir |
Valacyclovir Alternatives
| Medication | Mechanism of Action | Notes |
|---|---|---|
| Acyclovir (Zovirax) | Inhibits viral DNA polymerase | Older antiviral medication; may require more frequent dosing. |
| Famciclovir (Famvir) | Inhibits viral DNA polymerase | Another antiviral medication with a similar mechanism of action. |
Valacyclovir Side Effects
| Common Side Effects | Serious Side Effects |
|---|---|
| Headache | Kidney problems |
| Nausea | Confusion |
| Abdominal pain | Seizures |
| Dizziness | Thrombotic thrombocytopenic purpura (TTP)/hemolytic uremic syndrome (HUS) (rare, but serious, especially in immunocompromised patients) |
Valacyclovir Dosage Guide
| Condition | Starting Dose | Maintenance Dose | Administration Notes |
|---|---|---|---|
| Genital Herpes (Initial Outbreak) | 1000 mg | 1000 mg twice daily for 10 days | Start at the first sign of outbreak. |
| Genital Herpes (Recurrent Outbreaks) | 500 mg | 500 mg twice daily for 3 days | Start at the first sign of outbreak. |
| Genital Herpes (Suppressive Therapy) | 500 mg | 500 mg once daily | For frequent outbreaks. |
| Cold Sores | 2000 mg | 2000 mg every 12 hours for 1 day | Take two doses in one day, 12 hours apart, at the first sign of a cold sore. |
| Shingles | 1000 mg | 1000 mg three times daily for 7 days | Start as soon as possible after shingles rash appears. |
Valacyclovir Price With And Without Insurance
| Purchase Context | Estimated Price |
|---|---|
| With Insurance | $25 |
| Without Insurance (U.S.) | $136 |
| From Canada | $60 |
