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Active substance(s): DOXYCYCLINE

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Read all of this leaflet carefully before you start taking this medicine
• Keep this leaflet. You may need to read it again.
• If you have any further questions, ask your doctor or pharmacist.
• This medicine has been prescribed for you. Do not pass it on to others. It may harm them,
even if their symptoms are the same as yours.
• If any of the side effects gets serious, or if you notice any side effects not listed in this
leaflet, please tell your doctor or pharmacist.
The name of your medicine is Vibramycin 100mg Dispersible Tablets, throughout the remainder
of this leaflet your medicine will be referred to as Vibramycin-D.

In this leaflet:
1. What Vibramycin-D is and what it is used for
2. Before you take Vibramycin-D
3. How to take Vibramycin-D
4. Possible side effects
5. How to store Vibramycin-D
6. Further information

3. How to take Vibramycin-D
• Take Vibramycin-D tablets by letting the tablet break up in a small amount of water. Do not
swallow the tablet without letting it break up in water first.
• It is best to take your tablets at the same time(s) each day, when sitting or while standing.
• It is important not to lie down for at least thirty minutes after taking Vibramycin-D tablets, so
that the tablet can move as swiftly as possible into the stomach and prevent irritation of the
throat or oesophagus (canal taking food from the mouth to the stomach).
• If your stomach is upset Vibramycin-D can be taken with food or milk.
The list below shows the different doses that your doctor may prescribe depending on the
infection being treated. Always take Vibramycin-D exactly as your doctor has told you. You
should check with your doctor or pharmacist if you are not sure.

Usual Dose (Chest, lung or nasal, urinary tract, eye and other infections)
2 tablets on the first day, then 1 tablet daily. The length of treatment is dependent on the
infection being treated.

Half a tablet daily for 6-12 weeks, with food or a drink.

Sexually Transmitted Diseases
1 tablet twice daily for 7 - 10 days.

1. What Vibramycin-D is and what is it used for
Vibramycin-D is an antibiotic belonging to a group of medicines called tetracyclines. It is used
to treat many different types of infections including:
• Chest, lung or nasal infections e.g. bronchitis, pneumonia, sinusitis.
• Urinary tract infections (the passage through which urine passes) e.g. cystitis, urethritis.
• Acne (a skin condition).
• Eye infections.
• Sexually transmitted diseases e.g. gonorrhoea, syphilis, chlamydia.
• Fevers associated with louse or tick bites.
• Malaria, when chloroquine is not effective.

Primary and Secondary Syphilis

Vibramycin-D is also used to prevent certain infections developing, these are scrub typhus (a
disease carried by small insects) travellers’ diarrhoea, malaria and leptospirosis (a bacterial

Prevention of malaria

Your doctor may want you to take Vibramycin-D to treat another infection not listed above. You
may also be prescribed an additional medicine to take with Vibramycin-D to treat your infection.
If you have any questions talk to your doctor.

2. Before you take Vibramycin-D
Do not take Vibramycin-D if:
• you are allergic (hypersensitive) to doxycyline or any other tetracycline antibiotic or any of
the other ingredients listed in section 6.
• you are pregnant or trying to become pregnant.
• you are breast feeding.
• the medicine has been prescribed for a child under the age of 12 years.
You should not use Vibramycin-D during periods of tooth development (pregnancy, infancy or
in children below 12 years old) as such use may lead to permanent discolouration (yellow-greybrown) or affect the proper growth of the teeth.

Take special care with Vibramycin-D:
You should tell your doctor before you take Vibramycin-D if any of the following apply to you:
• you are likely to be exposed to strong sunlight or uv light (e.g. on a sun bed). You should
avoid exposure to strong sunlight while taking this medicine as your skin may be more
sensitive to sunburn than normal.
• you have liver problems.
• you have myasthenia gravis (a disease which causes unusual tiredness and weakness of
certain muscles, particularly in the eyelid).
• you have porphyria (a rare disease of blood pigments).
• you have (or have ever had) systemic lupus erythematosus (an allergic condition that
causes joint pain, skin rashes and fever).This condition may be worsened by taking
• you are suspected as having syphilis. Your doctor will continue to monitor you after your
treatment has stopped.

Taking other medicines
If you are taking any of the medicines listed below tell your doctor before taking Vibramycin-D.
Some medicines can reduce the effectiveness of Vibramycin-D, these include:
• Antacids (indigestion remedies), iron preparations, oral zinc or bismuth. These should not
be taken at the same time of day as Vibramycin-D.
• Carbamazepine, phenytoin (medicines used to control epilepsy) and barbiturates (used to
control epilepsy or as a sedative).
Vibramycin-D can affect the action of some other medicines, these include:
• Increased action of warfarin or coumarins (used to prevent blood clots).
• Reduced effectiveness of oral contraceptives (birth control pills).
• Reduced effectiveness of penicillin antibiotics (used to treat infections).
• Increased blood levels of ciclosporin (a medicine used to affect the body’s immune
If you are going to have a general anaesthetic for an operation or dental surgery you must tell
your anaesthetist or dentist that you are taking doxycycline as you may have more side effects.
You should tell your doctor if you are taking or have recently taken any other medicines
including those obtained without a prescription.

Taking Vibramycin-D with food or drink
For the treatment of infections, Vibramycin-D can be taken with or without food.
For the treatment of acne, it is recommended to take Vibramycin D with food or a drink.
If Vibramycin-D upsets your stomach then taking it with food or milk is recommended.
Alcohol may reduce the effect of Vibramycin-D and should be avoided.

Pregnancy and breast-feeding
Vibramycin-D must not be taken if you are pregnant or breast-feeding.

Driving and using machines
This medicine should not affect your ability to drive or use machines.

2 tablets twice daily for 2 weeks. Your doctor will continue to monitor you after your treatment
has stopped.

Fevers associated with louse or tick bites
Single dose of one or two tablets depending on severity.

Treatment of malaria, when chloroquine is not effective
2 tablets daily for at least 7 days.

1 tablet daily from 1-2 days before travelling to a malarial area until 4 weeks after returning.

Prevention of scrub typhus
Single dose of 2 tablets.

Prevention of travellers’ diarrhoea
1 tablet twice daily on the first day of travel, followed by 1 tablet daily throughout the stay in the
area. If you are planning to take these tablets for more than 21 days, please consult your

Prevention of leptospirosis
2 tablets once each week during the stay in the area; 2 tablets on completion of the trip. If you
are planning to take these tablets for more than 21 days, please consult your doctor.
You should start to feel better within a few days. If you have been given Vibramycin-D for acne
it may be a few weeks before you start to see an improvement. If your infection gets worse or
you do not start to feel better within a few days (except for acne), or a new infection develops,
go back and see your doctor.

If you take more Vibramycin-D than you should
If you take too much Vibramycin-D contact your doctor or nearest hospital Casualty Department
immediately. Always take the labelled medicine package with you, whether there is any
Vibramycin-D left or not.

If you forget to take Vibramycin-D
If you forget to take a tablet take it as soon as you can. Take your next tablet at the right time.
Do not take a double dose to make up for a forgotten dose.

If you stop taking Vibramycin-D
If you stop taking the tablets too soon, the infection may return. Take the tablets for the full time
of treatment, even when you begin to feel better.
If you have any further questions about the use of this product, ask your doctor or pharmacist
for advice.

4. Possible side effects
Like all medicines Vibramycin-D may cause some side effects but not everybody gets them.
Tell your doctor immediately if you experience any of the following symptoms of an allergic
reaction after taking this medicine. Although they are very rare, the symptoms can be severe.
• Sudden wheeziness, difficulty in breathing, chest pain, fever, sudden swellings, rash or
itching (especially affecting the whole body).
If any of the side effects listed below occur, contact your doctor as soon as possible.
• Skin rash, or flaking or peeling of the skin.
• Severe skin reactions which may cause you to feel very unwell.
• Skin that is more sensitive to sunlight than normal. You may get a skin rash, itching,
redness or severe sunburn. If this happens stop taking the medicine and tell your doctor.
• Very severe headache which may be associated with visual disturbance such as blurred
vision or loss of vision.
• Inflammation and/or ulcers of the gullet.
• Blood disorders. These are due to changes in numbers of different cell types in the blood.
Symptoms may include tiredness, easy bruising or infections.
• Low blood pressure.
• Increased heart rate.
• Aches in the joints or muscles.
The side effects listed below are infrequent. These may go away during treatment as your body
adjusts to the medicine. Tell your doctor if any of these side effects continue to bother you:
• upset stomach, loss of appetite, diarrhoea (this, may occur up to two or three months after
the last dose), stomach pain, heartburn, feeling or being sick
• difficulty in swallowing, sore or painful tongue or mouth
• skin reddening (flushing)
• a ringing or buzzing noise in the ear
• soreness and itching of the rectal and/or genital area.

The following side effects have also been reported:
• Worsening of a disease called systemic lupus erythematous (SLE). This is an allergic
condition which causes joint pain, skin rash and fever.
• Inflammation of the bowel.
• Bulging fontanelles (soft spot on head) of infants.
• Inflammation and damage to the liver, yellow skin and eyes (jaundice), inflammation of the
pancreas and abnormal liver function tests.
• Increased levels of urea in the blood.
• Pericarditis (inflammation affecting the heart).
• Discolouration and/or lack of growth of teeth.
• Discolouration of the thyroid tissue when given for long periods. The medicine does not
impair thyroid function.
• Loosening of the nail from the nail bed after exposure to the sun.
If any of these side effects get serious, or you notice side effects not listed in this leaflet, please
tell your doctor or pharmacist.

5. How to store Vibramycin-D
Store below 25°C.
If your doctor decides to stop treatment, return any remaining tablets to your pharmacist for
safe disposal. Only keep them if your doctor tells you to.

Expiry date
The product should not be used after the expiry date. This is shown on the carton label
and blister strip. If you notice signs of deterioration in your tablets, ask the advice of
your pharmacist who will tell you what to do.
Medicines should not be disposed of via wastewater or household waste. Ask your pharmacist
how to dispose of medicines no longer required. These measures will help to protect the

6. Further information
What Vibramycin-D contains
Active ingredient:
Each tablet contains 100mg doxycycline as the active ingredient.

Inactive ingredients:
Magnesium stearate, colloidal anhydrous silica, microcrystalline cellulose, quinoline yellow
(E104) and indigo carmine (E132).

What Vibramycin-D looks like and contents of the pack
Vibramycin 100mg Dispersible tablets are green circular dispersible tablets imprinted ‘PFIZER’
on one side of the tablet and plain on the reverse side. They are available as a single blister
strip of 8 tablets.

Marketing Authorisation Holder and Manufacturer
Vibramycin 100mg Dispersible tablets are manufactured by Famar ABE, Anthousa, Attiki,
Greece and procured within the E.U. by the Product Licence holder Stephar (UK) Limited, 3
Waveney Park, Hewett Road, Great Yarmouth, Norfolk NR31 0NN.
Vibramycin is a trademark of Pfizer Limited.
Vibramycin 100mg Dispersible tablets


Print Date: 22/06/2009

PL 10256/0712

VIB 100 Disp/S 28.04.2009-C

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Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.