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ACICLOVIR 800MG DISPERSIBLE TABLETS
Active substance(s): ACICLOVIR
Aciclovir 800mg Dispersible Tablets
Read all of this leaflet carefully before you start taking this medicine because it contains important
information for you.
Keep this leaflet. You may need to read it again.
If you have any further questions, please ask your doctor or pharmacist.
This medicine has been prescribed for you only. Do not pass it on to others. It may harm them, even if their
signs of illness are the same as yours.
If you get any side effects, talk to your doctor. This includes any possible side effects not listed in this leaflet.
(See Section 4).
What is in this leaflet:
What Aciclovir is and what it is used for
Possible side effects
What you need to know before you take Aciclovir
How to store Aciclovir
How to take Aciclovir
Contents of the pack and other information
What Aciclovir is and what it is used
Aciclovir 800mg Dispersible Tablets (referred to as
Aciclovir throughout this leaflet) belongs to a group of
medicines called antivirals.
What you need to know before
you take Aciclovir
Do not take Aciclovir:
Pregnancy and breast− feeding
If you are pregnant or breast−feeding, think you may be
pregnant or are planning to have a baby, ask your doctor
for advice before taking this medicine.
Driving and using machines
Aciclovir is not likely to affect you being able to drive or use
machinery. However, if you experience any difficulty or
symptoms, it may be necessary to avoid driving or
operating machinery or pursuing any activity in which full
attention is required.
Aciclovir can be used:
to treat shingles (herpes zoster infections)
to treat chickenpox (varicella infections)
if you are allergic (hypersensitive) to aciclovir,
valaciclovir or any of the other ingredients in these
tablets (see Section 6 "Contents of the pack and other
Warnings and precautions
Talk to your doctor before taking Aciclovir:
If you are taking other nephrotoxic medicines
(medicines that may cause kidney failure) such as
cyclosporin and tacrolimus (See "Other medicines and
If you suffer from kidney problems [including if you
have dialysis therapy] (as you may need a lower dose
of aciclovir − see Section 3 "How to take aciclovir")
If you are elderly (as you may need a lower dose of
aciclovir − see Section 3 "How to take aciclovir")
If you have a severely low immune system and need
to have this medicine over a long period of time or in
Other medicines and Aciclovir
Tell your doctor or pharmacist if you are taking, have
recently taken or might take any other medicines, including
medicines obtained without a prescription. This includes
Medicines which may interact with Aciclovir:
Probenecid (used to treat gout)
Cimetidine (used to reduce stomach acid)
Mycophenolate mofetil (used to prevent transplant
Medicines which may affect the kidneys e.g.
cyclosporin, tacrolimus (nephrotoxic medicines)
Theophylline (used to treat breathing problems, such as
Aciclovir with food and drink
It is important that you drink plenty of fluids while you are
taking Aciclovir to prevent you becoming dehydrated,
especially if you are elderly, suffer from kidney problems,
receiving Aciclovir via injection or are taking a high dose of
How to take Aciclovir
Always take this medicine exactly as your doctor has
told you. Check with your doctor or pharmacist if you
are not sure.
These tablets are to be taken orally, dissolved in at
least 50mls of water or swallowed whole with a glass of
The score line is not intended for breaking the tablet
The recommended doses are:
Shingles (Herpes Zoster infection) and Chickenpox
800mg five times a day for 7 days at approximately 4
hour intervals (leaving out the night time dose)
For patients with a severely low immune system or
those suffering from gut absorption problems, dosing
via injection may be considered
Treatment of shingles should start as soon as possible
after the start of the rash
Treatment of chickenpox in patients with a low immune
system should start within 24 hours after the start of
Chickenpox (Varicella infection)
6 years and over: 800mg four times a day for 5 days
Elderly and patients suffering from kidney problems
Shingles (Herpes Zoster infection)
800mg two times a day at approximately 12 hour
intervals for patients suffering from severe kidney
800mg three times a day at approximately 8 hour
intervals for patients suffering from moderate kidney
It is especially important if you are elderly, suffering from
kidney problems or are taking a high dose of Aciclovir that
you drink plenty of fluids.
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0800 970 6115
If you take more Aciclovir than you should
If you accidentally take too many tablets, contact your
doctor or nearest hospital emergency department
immediately for advice. Remember to take this leaflet or
any remaining tablets with you.
Symptoms of overdose include: feeling and/or being
sick, headache, confusion, seeing or hearing things that
are not real (hallucinations), feeling agitated, fits, loss of
If you forget to take Aciclovir
Take it as soon as you remember, unless it is time for your
If you miss a dose do not take a double dose to make up
for a forgotten dose.
If you have any further questions on the use of this medicine,
ask your doctor or pharmacist.
Possible side effects
Reporting of side effects
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 internet at www.mhra.gov.uk/yellowcard. 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
Do not use this medicine after the expiry date which is
stated on the blister/carton after "EXP". The expiry date
refers to the last day of that month.
Do not store above 25°C.
Store in original package.
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 to protect the environment.
Like all medicines, Aciclovir can cause side effects
although not everybody gets them.
Seek medical advice immediately if you develop the
Allergic reactions: skin rashes, itching, swelling of the
face, tongue or throat, breathlessness, difficulty in
Common side effects: (may affect up to 1 in 10 people)
Feeling sick (nausea) or being sick (vomiting)
Severe itching (pruritus), skin rashes
Abnormal sensitivity of the skin to sunlight
Uncommon side effects: (may affect up to 1 in 100
Red, raised, itchy skin rash (urticaria)
Hair loss (alopecia)
Rare side effects: (may affect up to 1 in 1,000 people):
Shortness of breath (dyspnoea)
Increases in bilirubin and liver−related enzymes
Swelling of the deeper layers of the skin caused by a
build−up of fluid (angioedema)
Effects on blood and urine tests
Very rare side effects: (may affect up to 1 in 10,000
Lack of voluntary co−ordination of muscle movements
Difficulty with speech (dysarthria)
Mental health problems
Disorder of the brain (encephalopathy)
The side effects listed above are generally reversible and
usually reported in patients with kidney problems or with
other pre−existing factors (See Section 2, "Warnings and
Looking pale and feeling tired (anaemia)
A reduction in blood platelets, which increases risk of
bleeding or bruising (thrombocytophenia)
A reduction in white blood cells (leukopenia)
Inflammation of the liver (hepatitis)
Yellowing of the skin or whites of the eyes (jaundice)
Kidney problems, failure or pain
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How to store Aciclovir
Contents of the pack and other
What Aciclovir contain:
Each dispersible tablet contains 800mg of active
The other ingredients are potato starch, gelatin,
microcrystalline cellulose, sodium starch glycollate,
sodium stearyl fumerate and colloidal anhydrous silica
What Aciclovir looks like and contents of the pack
Aciclovir 800mg: white or almost white, capsule−
shaped, convex, scored tablets of 9mm x 19mm, coded
’HG 800’ on one side
Aciclovir is available in:
Aciclovir is available in packs of 35.
Marketing Authorisation Holder and manufacturer:
Tillomed Laboratories Ltd
3 Howard Road,
Product Licence Number:
Aciclovir 800mg Dispersible Tablets PL 11311/0203
Date of last revision: December 2013
0800 970 6115
Strength / Form
No. of Colours
Aciclovir dispersible 800mg
175 mm x 297 mm
Font SansSerif − Min. Text 8pt
Pantone Black CVC
Tillomed Laboratories Ltd, 3 Howard Road Eaton Socon, St Neots, Cambs PE19 8ET, UK
Source: Medicines and Healthcare Products Regulatory Agency
Disclaimer: Every effort has been made to ensure that the information provided here is accurate, up-to-date and complete, but no guarantee is made to that effect. Drug information contained herein may be time sensitive. This information has been compiled for use by healthcare practitioners and consumers in the United States. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate that the drug or combination is safe, effective or appropriate for any given patient. If you have questions about the substances you are taking, check with your doctor, nurse or pharmacist.