Valtrex 500mg Tablets

Valaciclovir (Valtrex) is an antiviral tablet used to help manage herpes outbreaks. Many people prefer it over aciclovir because it tends to have fewer side effects and is simpler to take, with a dosing schedule of just twice a day.

From: £47.99

Description

What is Valtrex?

Valtrex contains the active ingredient valaciclovir, an antiviral medicine used to treat infections caused by herpes simplex virus (HSV), varicella zoster virus (VZV), and cytomegalovirus (CMV). It is commonly prescribed for herpes infections of the skin and genital herpes, and can also help reduce the chance of future outbreaks.

How is Valtrex Taken?

Treating Herpes Outbreaks

  • Standard dose: 500mg twice daily
  • First episode: usually for 5 days (up to 10 days if advised)
  • Repeat outbreaks: typically 3–5 days

Preventing Recurring Outbreaks (Suppressive Therapy)

  • Usual dose: 250mg twice daily
  • For frequent outbreaks: 500mg once daily may be preferred
  • Can reduce outbreaks by around 70–80%

Reducing Transmission Risk

Valtrex works best when started as soon as symptoms appear. Even without visible sores, the virus can be passed on — use condoms consistently and avoid sexual contact during active outbreaks.

Side Effects

Common

  • Headache
  • Feeling sick (nausea)
  • Stomach pain
  • Dizziness
  • Tiredness

Less Common

  • Vomiting or diarrhoea
  • Skin rash or itching
  • Sensitivity to sunlight

Rare but Serious (seek medical help)

  • Confusion or unusual behaviour
  • Hallucinations
  • Severe allergic reaction (swelling, breathing trouble, severe rash)

Kidney problems (pain in back, changes in urine)

Precautions & Contraindications

  • Kidney or liver problems
  • Weakened immune system
  • Pregnant or breastfeeding
  • Known allergy to valaciclovir, aciclovir, or any ingredients

Frequently Asked Questions (FAQ)

Q: Is Valtrex the same as Valaciclovir?

A: Yes. Valtrex is the brand name for valaciclovir.

Q: How does Valtrex differ from Aciclovir?

A: Valtrex (valaciclovir) is converted to aciclovir in the body. It requires fewer daily doses, is generally considered more convenient, and may have fewer side effects.

Q: Can I take Valtrex long-term for suppression?

A: Yes. For people experiencing 6 or more outbreaks per year, long-term suppressive therapy can reduce outbreaks by around 70–80%, and can also make any that do occur milder and shorter.

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