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Aciclovir

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Aciclovir is an antiviral medication used to treat infections caused by the herpes simplex and herpes zoster viruses. It is sometimes referred to as acyclovir.

Herpes simplex can lead to cold sores and genital herpes, while herpes zoster is responsible for chickenpox and shingles. Aciclovir helps manage the symptoms of these infections.

  • Treats outbreaks of genital herpes
  • Reduces the number of future episodes
  • Helps sores heal faster
  • 100% genuine medication
  • Shipped from registered pharmacies
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More Information

A Pharmacist's Overview

Amardeep Bagga (MPharm, MBA) - GPhC Number 2226023

Pharmacist, Amardeep Bagga (MPharm, MBA) provides a simple explanation of the medication below:

'Aciclovir is an antiviral treatment effective against herpes virus infections including cold sores, genital herpes, chickenpox and shingles.'.

If you think this is a treatment that can help you, start an online consultation now for a registered prescriber to review. If treatment is deemed suitable, they can prescribe it, and we can deliver it to you from the comfort of your own home with a range of convenient delivery and payment options for you to choose from. If you have any questions about a medication, you should always consult your doctor with any questions prior to starting treatment, to ensure that it is safe and suitable for you.

Buy Aciclovir

Can I buy Aciclovir online?

Yes, you can safely purchase Aciclovir online from PharmXtra. You will need to complete an online consultation that is reviewed by a doctor before your order can be processed. This consultation ensures that Aciclovir is the correct medication for your condition.

Do I need a prescription for Aciclovir?

Yes, a valid prescription is required to purchase Aciclovir. Please note that all requests for prescription medications are subject to an online clinical consultation, and the prescribing decision will be made by a registered doctor.

Aciclovir - Key Information

  • Aciclovir is an antiviral medication.
  • It is commonly taken in tablet form to treat conditions such as genital herpes, shingles, or severe chickenpox.
  • Aciclovir is also available as a cream to treat cold sores directly.
  • For individuals with weakened immune systems, aciclovir may be taken daily to prevent infections caused by herpes.
  • Be sure to read the patient leaflet for a complete list of potential side effects and precautions.

The herpes virus can cause blisters on the skin, lips, or genital area, which can be very painful. Aciclovir works by preventing the herpes virus from multiplying in the body, which helps stop the infection from worsening, allowing the pain to subside and the blisters to heal. However, the herpes virus can remain in the body, meaning symptoms may return in the future, even after the infection has cleared.

This is why some people experience recurring cold sores, despite treatment each time. It is also one of the reasons why it is important to avoid close contact with someone who has a cold sore or genital herpes, as the virus can be transmitted.

Usage Advice

Aciclovir is available in tablet or liquid form for those with difficulty swallowing tablets. Dispersible tablets are also available to make the medication easier to take. Aciclovir is typically taken by mouth to treat shingles, chickenpox, and genital herpes.

Tablets should be taken with water and can be taken with or without food.

Aciclovir cream is available for the treatment of cold sores on the lips.

Dosage

Aciclovir tablets come in strengths of 200mg, 400mg, and 800mg.
Your dose will depend on the condition being treated.

For genital herpes, the typical dose is 400mg, taken three times a day for 5 days or longer. A topical aciclovir cream may also be applied directly to the blisters.
For shingles or chickenpox in adults, the recommended dose is 800mg, taken five times a day for 7 days.
Your prescriber will advise on the appropriate dose based on your symptoms and medical history.

Side Effects & Warnings

As with all medications, some people may experience mild side effects. In most cases, side effects are temporary and subside after a few days. However, if you find them bothersome, continue taking the medication and seek advice from a healthcare professional.
Common side effects include:

  • Headaches
  • Nausea or vomiting (feeling sick or being sick)
  • Dizziness
  • Diarrhoea
  • Sensitivity of your skin to the sunlight.

When using aciclovir cream, you may experience a burning or stinging sensation, as well as dry or itchy skin at the application site. These effects should resolve once the treatment course is completed.

If you experience a severe allergic reaction (anaphylaxis), such as difficulty breathing or swelling of the lips or tongue, seek emergency medical help immediately by calling 999.

A doctor's overview of the side effects of this medication and how to manage them:

Dr Irfan Siddique - Deputy Medical Superintendent (DMS)
- GMC Number 7694522

Dr. Irfan Siddique provides a simple explanation of the common side effects of the medication and how you can manage them:

Aciclovir is an antiviral medication, used for specific viral illnesses like herpes simplex and herpes zoster skin infections. Common side effects include diarrhea, dizziness, increased sensitivity of the skin to sunlight/bright light, feeling sick, and headache. Importantly, it should be used with extra caution in people who are allergic to aciclovir or other antiviral medications, elderly, have kidney disease, are pregnant, breastfeeding, or trying to conceive.

Aciclovir is suitable for most people, but at PharmXtra, we will ask you to complete an online consultation. This is reviewed by an independent regulated prescriber who ensures it is appropriate for you.


Your prescriber will need to know if you:

  • Are aged 65 or older
  • Have kidney problems
  • Are pregnant, trying to conceive a baby, or breastfeeding
  • Have ever had an allergic reaction to any medication.

This is because aciclovir may not be suitable for some people who fall into the above categories.

Medical Reviewer

Medical Reviewer

Irfan Siddique

Deputy Medical Superintendent (DMS) • MBBS

Dr Irfan Siddique is a qualified Medical Doctor licensed to practise in the UK by the General Medical Council (GMC). He earned his MBBS degree in 2017 from the University of Health Sciences, Lahore, and brings years of clinical experience and medical knowledge to his work.

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