Valtrex
Valaciclovir 500mg and 1000mg film-coated tablets, used for herpes zoster, herpes simplex and genital herpes. A prodrug converted to aciclovir.
- Category
- Antivirals
- Active ingredient
- Valaciclovir
- Route
- Oral use
- Form
- Film-coated tablet
- Strengths
- 500 · 1000mg
You will receive a quality generic equivalent, depending on stock.
No prescription needed: we place your order for Valtrex on your behalf.
- Conditions
- Herpes Zoster · Herpes Simplex · Genital Herpes
- Therapeutic class
- Antiviral Agent
- Pharmacological class
- Nucleoside analogue
- Contraindications
- hypersensitivity to valaciclovir
- Precautions and warnings
- maintain adequate fluid intake; use with caution in elderly patients
- Minor side effects
- headache; nausea
- Moderate side effects
- dizziness; abdominal pain
- Dosage forms
- Film-coated tablet
- Administration route
- Oral use
- Originator
- GSK
- Onset time
- 1–2 hours
- Duration
- 8–12 hours
- Storage instructions
- Store at room temperature.
- Drug interactions
- nephrotoxic agents
- Age restrictions
- Dose adjustment required for patients with renal impairment and the elderly.
Serious side effects
renal impairment, requires immediate medical attention; neurological symptoms, requires immediate medical attention
Patient summary
Valaciclovir 500mg and 1000mg film-coated tablets, used for herpes zoster, herpes simplex and genital herpes. A prodrug converted to aciclovir.
Mechanism of action
Valaciclovir is a prodrug of acyclovir. It is converted rapidly to acyclovir in the body, which selectively inhibits viral DNA polymerase, thereby interrupting DNA synthesis in herpes viruses.
Pregnancy and breastfeeding
Pregnancy: Use only if clearly needed. Breastfeeding: Use with caution; monitor the infant.
Valtrex is the primary brand name for valaciclovir, an antiviral used in the management of Herpes Zoster, Herpes Simplex and Genital Herpes. This treatment comes as a tablet available in 500mg and 1000mg strengths. It assists in inhibiting viral replication to reduce the duration of outbreaks.
Buying Valtrex online
Generic valaciclovir, often manufactured in India, offers a cost-effective alternative to the original GSK product for patients managing these viral conditions. For expats or travellers in regions where local supply can be inconsistent, these options support consistent therapeutic management. This medication is best used under a doctor’s care for proper monitoring.
Is Valtrex the original brand?
Yes, Valtrex is the originator brand name, made by GSK. Yasabai uses it to identify the medicine; what you receive is a generic with the same active ingredient (valaciclovir) at the same dose, mostly a recognised Indian branded generic. The exact brand depends on stock.
How much does Valtrex cost?
Valtrex comes in 500 and 1000mg strengths, in packs of 12 to 90 tablets, and the price per tablet for every option is shown above, in US dollars or the currency you choose. Larger packs cost less per tablet. Paying with Bitcoin or Ethereum gives you an extra 10% off.
What is Valtrex used for?
Valtrex contains valaciclovir, used for herpes zoster, herpes simplex and genital herpes. Valaciclovir is a prodrug of acyclovir.
When does Valtrex start working?
Valaciclovir usually starts to work within 1 to 2 hours, and its effect lasts about 8 to 12 hours. It varies from person to person.
What side effects can Valtrex cause?
The common side effects of valaciclovir are headache and nausea. Less common ones include dizziness and abdominal pain. Serious but less common side effects include renal impairment and neurological symptoms, which need urgent medical attention.
Can I take Valtrex with other medicines?
Valaciclovir can interact with nephrotoxic agents. Tell your doctor or pharmacist about every medicine you take before you start Valtrex.
Is Valtrex available over the counter in Thailand?
Yes. In Thailand valaciclovir is sold by pharmacists without a prescription, and Yasabai does not ask for one either. We are an online store, not a dispensing pharmacy; we arrange your order and delivery on your behalf.
Ordering without a prescription →Can I get Valtrex delivered in Thailand?
Yes. Our pharmacy partners ship from India to Thailand and across Asia in discreet packaging. Standard Airmail takes up to 3 weeks; Express Tracked Courier takes up to 1 week.
How ordering works →What you will receive
Valtrex is the originator brand name, made by GSK. We use it here to identify the medicine only; we are not affiliated with GSK and do not ship the original Valtrex.
- You receive a generic equivalent: the same active ingredient (Valaciclovir) at the same dose, mostly recognised Indian branded generics from vetted manufacturers.
- The exact brand supplied depends on what is in stock at the dispatching warehouse.
- A regulated generic matches the original ingredient for ingredient by legal standard.