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Demeclocycline

  • Demeclocycline is an antibiotic used to treat bacterial infections.
  • Swallow the capsules whole (not crushed or chewed), with plenty of water, while sitting or standing - this will stop them from sticking in the throat and causing irritation.
  • The most common side effects are nausea, vomiting and diarrhoea.

About demeclocycline

Type of medicine Antibiotic
Used for Demeclocycline is used to treat bacterial infections partcularly skin conditions, such as acne. It is also sometimes used to treat conditions which cause a very low level of sodium in the blood.
Available as Capsule

Demeclocycline stops bacteria from functioning and so stops numbers from increasing.

Before taking demeclocycline

Before taking demeclocycline make sure your doctor or pharmacist knows:

  • If you are pregnant, trying for a baby or breast-feeding.
  • If you suffer from liver and kidney problems.
  • If you suffer from systemic lupus erythematosus (a blood disorder) or myasthenia gravis (a muscle weakening disease).
  • If you are taking anticoagulants e.g. warfarin.
  • If the medicine is for a child under 12 years of age.

How to take demeclocycline

  • Take demeclocycline an hour before food or on an empty stomach.
  • Swallow demeclocycline capsules and tablets whole (not crushed or chewed), with plenty of water, while sitting or standing.
  • Do not take any indigestion remedies, iron or zinc supplements or drink milk at the same time as taking this medicine. Take them at least two hours before or two hours after a dose of demeclocycline.
  • It is important not to lie down for at least thirty minutes after taking demeclocycline capsules, so that the capsule can move as swiftly as possible into the stomach.
  • Try to take this medicine at regular intervals, as directed by your doctor, to keep a steady level of demeclocycline in your body.
  • Try not to miss any doses. If you do miss a dose, take it as soon as you remember unless it is nearly time for your next dose, in which case leave out the missed dose. Never take two doses at the same time to make up.
  • If you are taking demeclocycline to treat acne it is quite normal to continue treatment for several months.

Getting the most from your treatment

  • Even if your condition has improved it is important to complete the prescribed course of demeclocycline. If you stop taking this medicine too soon your infection is likely to return and could be more difficult to treat.
  • Before having any surgery (including dental surgery) with a general anaesthetic, tell the doctor or dentist that you are taking demeclocycline.
  • Important: Oral contraceptives may be less effective while you are taking demeclocycline and unplanned pregnancies have occurred. In addition to taking the contraceptive pill, use a barrier method of contraception (e.g. condoms) while you are taking demeclocycline and for at least seven days after your course of demeclocycline has finished. If these seven days run into a 'pill-free' week, start taking the next packet of contraceptives without leaving a break. If you are taking the type of contraceptive pill that is taken every day or if you need any further advice, speak to your doctor or pharmacist.
  • Demeclocycline may make your skin more sensitive to sunlight than usual. Try to avoid strong sunlight and use a sunscreen of at least factor 15.

Can demeclocycline cause problems

Along with their useful effects all medicines can cause unwanted side effects, which usually improve as your body adjusts to the new medicine. Speak with your doctor or pharmacist if any of the following side effects continue or become troublesome.

Common side-effects What can I do if I experience this
Nausea and vomiting Drink plenty of liquid. Stick to simple foods such as dry toast. If vomiting continues to be a problem speak to your doctor.
Diarrhoea Drink plenty of water to replace lost fluids. If diarrhoea continues to be a problem speak to your pharmacist or doctor.
Difficulty swallowing and throat irritation Swallow whole (not crushed or chewed), with plenty of water, while sitting or standing.
Skin rashes Speak with your doctor.

Other side effects may include tummy pain, headache, problems with eyesight, heartburn, sore or painful tongue or mouth, loss of appetite, dizziness, loss of balance and ringing in the ears.

How to store demeclocycline

  • Keep all medicines out of the reach of children.
  • Store in a cool, dry place, away from direct heat and light.

Important information about all medicines


  • Keep all medicines out of the sight and reach of children.
  • Make sure that the person prescribing this medicine knows about any other medicines that you are taking. This includes medicines you buy and herbal and homeopathic medicines.
  • If you buy any medicines check with a pharmacist that they are safe to take with your other medicines.
  • Before taking this medicine tell your doctor if you have ever had an allergic reaction after taking any medicine.
  • Never take more than the prescribed dose. If you suspect that you or someone else has taken an overdose of this medicine go to the accident and emergency department of your local hospital at once. Always take the container with you, if possible, even if it is empty.
  • If you are having any treatment like an operation or dental treatment tell the person carrying out the treatment which medicines you are taking.
  • Always read the printed information leaflet that comes with your medicine.
  • This medicine is for you. Never give it to other people even if their condition appears to be the same as yours.
  • Never keep out of date or unwanted medicines. Take them to your local pharmacy which will dispose of them for you.
  • If you have any questions about this medicine ask your pharmacist.
Comprehensive patient resources are available at www.patient.co.uk
© EMIS 2008 DocID:
4028
DocRef:
dils3171
Last Updated:
25 Jun 2007
Date of Next Review:
24 Jun 2009
Version:
23
Patient UK Current Health News






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Perhaps the biggest cause of ill health in the world is poverty. Help to Make Poverty History. For example, why not lend some of your money to disadvantaged communities to enable them to trade their way out of poverty through schemes such as Shared Interest.

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