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Aciclovir

The 800mg tablets are prescribed for treating shingles and severe or recurrent genital herpes.

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Dose guides: 200mg · 400mg

1
£13.49200mg · 25 pack

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Aciclovir 400mg product packaging

Medically reviewed by Muhammad Abdul Jalil, Superintendent Pharmacist · GPhC Reg No: 2236161

Last reviewed

Aciclovir Tablets – Effective Antiviral Treatment for Herpes and Shingles

Aciclovir (also known as Acyclovir) is a trusted antiviral medication designed to manage and alleviate symptoms caused by herpes simplex virus (HSV) and varicella-zoster virus (VZV). It is effective against conditions such as:

  • Herpes simplex type 1 (HSV-1): Known for causing cold sores.
  • Herpes simplex type 2 (HSV-2): Associated with genital herpes.
  • Herpes varicella-zoster virus (VZV): Causes chickenpox and shingles.

This medication not only provides symptomatic relief but also helps in preventing recurrent outbreaks. When taken promptly at the onset of symptoms, Aciclovir significantly reduces recovery time, often within just 1–2 days.

How Does Aciclovir Work?

Aciclovir works by targeting and inhibiting the reproduction of viral cells. By halting the virus’s ability to multiply, it helps the body’s immune system contain and attack the infection. This results in:

  • Shortened duration of symptoms.
  • Reduced severity of outbreaks.

Aciclovir is available in both 200mg and 800mg tablets, making it suitable for various conditions, including shingles, cold sores, and genital herpes.

How to Take Aciclovir?

Recommended Dosage for Different Conditions

The correct dosage depends on the type and severity of your infection. Always follow your healthcare professional’s instructions. Below are general guidelines:

  • Cold Sores: Take one 200mg tablet 5 times daily for 5 days.
  • Initial Genital Herpes Infection: Take one 200mg tablet 5 times daily for 5 days.
  • Recurrent Genital Herpes: Take one 800mg tablet 3 times daily, or one 200mg tablet 5 times daily for 2 days.
  • Prevention of Outbreaks: Take two 200mg tablets twice daily for 6–12 months under medical supervision.
  • Shingles Treatment: Take one 800mg tablet 5 times daily for 7 days.

Tips for Taking Aciclovir

  • Swallow tablets with water to prevent dehydration.
  • Maintain a consistent schedule (e.g., 7 am, 11 am, 3 pm, 7 pm, 11 pm).
  • Do not skip doses, but if you miss one, take it as soon as possible unless it’s close to the next dose.

Who Can Take Aciclovir?

Aciclovir is suitable for most adults with herpes-related infections. However, it may not be recommended for individuals with:

  • Allergies to Aciclovir or similar medications.
  • Kidney problems or diabetes.
  • Pregnancy or breastfeeding (consult your healthcare professional).

Possible Side Effects of Aciclovir

As with all medications, Aciclovir may cause side effects, although they are typically mild and temporary. Common side effects include:

  • Headaches and dizziness.
  • Nausea or vomiting.
  • Stomach pain or diarrhoea.
  • Fatigue or skin reactions.

If side effects persist, consult your healthcare provider immediately.

Can You Buy Aciclovir Online in the UK?

Yes, Aciclovir can be purchased online via Medihealth Direct, where you can complete a confidential consultation. Upon approval, your prescription will be dispensed discreetly and with free next-day delivery.

Please Note: Aciclovir tablets require a prescription, but topical creams for cold sores can be purchased over-the-counter under the brand name Zovirax.

Precautions When Using Aciclovir

  • For genital herpes and cold sores, avoid sexual contact during outbreaks. Use barrier protection (condoms) to prevent transmission.
  • Shingles are not contagious, but individuals aged 70–79 can avail of free NHS shingles vaccines.

Steps to Order Aciclovir Online

  1. Complete a free online consultation at Medihealth Direct.
  2. A registered UK healthcare professional reviews your information.
  3. Upon approval, the medication is dispatched with next-day delivery.

FAQs About Aciclovir

Is Aciclovir an antibiotic?

No, Aciclovir is an antiviral medication. Antibiotics target bacterial infections, while Aciclovir treats viral conditions.

Can I drink alcohol while taking Aciclovir?

Yes, but avoid alcohol if you feel unwell, as it may worsen symptoms.

What is the 800mg dosage used for?

The 800mg tablets are prescribed for treating shingles and severe or recurrent genital herpes.

Is it safe to buy Aciclovir online?

Yes, purchasing from certified platforms like Medihealth Direct ensures you receive genuine medication.

Is it safe to buy Aciclovir online?

Yes, purchasing from certified platforms like Medihealth Direct ensures you receive genuine medication.

Transparent pricing

The price you see is the price you pay, no hidden fees.

From
£13.49
Dose & price path
  • 200mgfrom £13.49
  • 400mgfrom £23.00

Your prescriber sets the right strength for you. You only ever pay for the dose you're prescribed.

Pack size comparison
200mg
  • 25 pack£13.49
  • 50 pack£18.74
400mg
  • 84 pack£23.00
  • 168 pack£33.00
What's included
  • Online consultation & prescription from a UK clinician
  • Discreet, tracked deliveryRoyal Mail tracked delivery is £2.99 per order, added at checkout.
  • Ongoing clinical support from our pharmacy team

You're only charged after a prescriber approves your consultation. If it's not right for you, you're not charged.

Delivery & packaging

  • Royal Mail tracked delivery
    £2.99 per order
  • Next-day
    Order by 2pm Monday to Friday and an approved order is dispatched the same day for next-working-day delivery.
  • Packaging
    Every parcel is plain and unbranded; temperature-sensitive medicines travel in insulated cold-chain packaging at no extra cost.

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