Patient Leaflet Updated 12-May-2026 | Aurobindo Pharma - Milpharm Ltd.
Aciclovir 200mg Tablets
Aciclovir 200 mg Tablets
aciclovir
1. What Aciclovir 200 mg Tablets are and what they are used for
2. What you need to know before you take Aciclovir 200 mg Tablets
3. How to take Aciclovir 200 mg Tablets
4. Possible side effects
5. How to store Aciclovir 200 mg Tablets
6. Contents of the pack and other information
Aciclovir 200 mg Tablets contain a medicine called aciclovir. This belongs to a group of medicines called antivirals. It works by killing or stopping the growth of viruses.
Aciclovir can be used to
Do not take Aciclovir 200 mg Tablets if the above applies to you. If you are not sure, talk to your doctor or pharmacist before taking Aciclovir 200 mg Tablets.
Talk to your doctor or pharmacist before taking Aciclovir 200 mg Tablets
If you are not sure if the above apply to you, talk to your doctor or pharmacist before taking Aciclovir 200 mg Tablets. It is important that you drink plenty of water while taking Aciclovir 200 mg Tablets
Tell your doctor or pharmacist if you are taking, have recently taken or might take any other medicines. This includes medicines obtained without a prescription, including herbal medicines.
In particular tell your doctor or pharmacist if you are taking any of the following medicines.
If you are pregnant or breast-feeding, think you may be pregnant or are planning to have a baby, ask your doctor or pharmacist for advice before taking this medicine.
Some side effects such as feeling drowsy or sleepy may impair your ability to concentrate and react. Make sure you are not affected before you drive or operate machinery.
This medicine contains less than 1 mmol sodium (23 mg) per each tablet, that is to say essentially ‘sodium-free’.
Always take this medicine exactly as your doctor or pharmacist has told you.
Check with your doctor or pharmacist if you are not sure.
The dose that you should take will depend on what you have been given Aciclovir 200 mg Tablets for. Your doctor will discuss this with you. An 800 mg tablet is also available.
The recommended dose is:
Treatment of chickenpox and shingles
Treatment of cold sores and genital herpes
Stopping these problems returning after you have had them
Stopping these problems in people whose immune systems work less well and whose bodies are less able to fight infections
Your doctor may adjust the dose of Aciclovir 200 mg Tablets if:
Talk to your doctor before taking Aciclovir 200 mg Tablets if any of the above apply.
Aciclovir 200 mg Tablets are not usually harmful, unless you take too much over several days. Talk to your doctor or pharmacist if you take too much Aciclovir 200 mg Tablets. Take the medicine pack with you.
If you have any further questions on the use of this medicine, ask your doctor or pharmacist.
Like all medicines, this medicine can cause side effects, although not everybody gets them.
Allergic reactions (may affect up to 1 in 1,000 people)
If you have an allergic reaction, stop taking Aciclovir 200 mg Tablets and see a doctor straight away. The signs may include:
Other side effects include:
Common (may affect up to 1 in 10 people)
Uncommon (may affect up to 1 in 100 people)
Rare (may affect up to 1 in 1,000 people)
Very rare (may affect up to 1 in 10,000 people)
If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects not listed in this leaflet. You can also report side effects directly via the Yellow Card Scheme at: www.mhra.gov.uk/yellowcard. or search for MHRA Yellow Card in the Google Play or Apple App Store. By reporting side effects you can help provide more information on the safety of this medicine.
Keep this medicine out of the sight and reach of children.
Do not use this medicine after the expiry date which is stated on the carton and blister after EXP. The expiry date refers to the last day of that month.
This medicinal product does not require any special storage conditions.
Do not throw away any medicines via wastewater or household waste. Ask your pharmacist how to throw away medicines you no longer use. These measures will help protect the environment.
Aciclovir Tablets are available in three different strengths:
However, this leaflet applies only to 200 mg strength.
The active substance is aciclovir. Each tablet contains 200 mg of aciclovir.
The other ingredients are:
Cellulose, microcrystalline [Grade 101], sodium starch glycolate [Type - A], povidone [K - 30], silica colloidal anhydrous and magnesium stearate.
Tablet.
White to off-white, round (diameter: 9.5 mm), biconvex, uncoated tablets debossed with ‘AR 200’ on one side and plain on the other side.
Aciclovir 200 mg Tablets are available in blister pack of 25 tablets.
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This leaflet was last revised in 10/2025.
P1540039
Milpharm Limited, 1 Roundwood Avenue, Stockley Park, Uxbridge, UB11 1AF, UK
+ 44 (0)208 845 8811
+44 (0)208 845 8811
http://www.aurobindo.com
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