
Valtrex
Valaciclovir tablets for shingles and herpes simplex infections. It stops the virus from multiplying by blocking its DNA.
- Category
- Antivirals
- Active ingredient
- Valaciclovir
- Route
- Oral use
- Form
- Tablet
- Strengths
- 500mg · 1000mg
This listing uses Valtrex as a reference name. A generic equivalent is supplied; its exact brand and manufacturer are confirmed before supply.
Prescription and consultation requirements for Valtrex vary by destination and are determined by the fulfilment partner.
Valtrex details
- Conditions
- Herpes Zoster · Herpes Simplex Virus Infections · Varicella
- Alternative names
- valacyclovir
- Therapeutic class
- Nucleoside Analog DNA Polymerase Inhibitor
- Pharmacological class
- Antiviral
- Known off-label uses
- cytomegalovirus prophylaxis
- Contraindications
- severe hypersensitivity to valacyclovir or acyclovir
- Minor side effects
- headache; nausea; dizziness
- Moderate side effects
- fatigue; abdominal pain; diarrhoea
- Dosage forms
- Tablet
- Administration route
- Oral use
- Supply category
- Prescription-only medicine (POM)
- Originator
- GlaxoSmithKline
- Onset Time
- 24–48 hours
- Duration
- 12 hours
- Storage instructions
- Store below 25°C.
- Drug interactions
- Probenecid; Cimetidine; Tenofovir
- Age restrictions
- Approved for paediatric and adult populations based on indication.
Serious side effects
thrombotic thrombocytopenic purpura, requires immediate medical attention; acute kidney injury, requires immediate medical attention
Patient summary
Valaciclovir tablets for shingles and herpes simplex infections. It stops the virus from multiplying by blocking its DNA.
Mechanism of action
Rapidly biotransforms into acyclovir, which selectively terminates viral DNA chain elongation by blocking DNA polymerase.
Pregnancy and breastfeeding
Pregnancy: Suitability during pregnancy depends on the specific medicine and individual circumstances. Confirm with a qualified clinician or pharmacist before use. Breastfeeding: Confirm breastfeeding suitability with a qualified clinician or pharmacist before use.
What you will receive
Valtrex is used here as a reference originator brand name to identify the medicine. We are not affiliated with the brand owner, and this listing does not offer the originator product.
- The supplied product is a generic equivalent containing Valaciclovir, not the originator brand shown as the reference.
- The exact generic brand, manufacturer and dispatch location are confirmed based on the product, destination and available manufacturer or partner warehouse.
- Check the final product details at checkout before confirming an order.