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Azithromycin
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About azithromycin
| Type of medicine | Antibiotic |
| Used for | Bacterial infections, such as infections of the chest, mouth, ear and some sexually transmitted infections. |
| Also called | Zithromax |
| Available as | Capsule and oral solution |
Azithromycin is used to treat a variety of bacterial infections; it works by killing bacteria that cause the infection.
Before taking azithromycin
Before taking azithromycin make sure your doctor or pharmacist knows:
- If you are pregnant, trying for a baby or breast-feeding.
- If you suffer from liver or kidney problems.
- If you suffer from heart problems.
- If you suffer from porphyria (a blood disorder).
How to take azithromycin
- Do not take indigestion remedies at the same time as this medicine. Take them at least one hour before or one hour after a dose of azithromycin.
- Swallow azithromycin capsules whole (not crushed or chewed), with plenty of water.
- Take azithromycin at least one hour before food or at least two hours after food.
- Try to take this medicine at regular intervals, as directed by your doctor, to keep a steady level of azithromycin 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.
Getting the most from your treatment
- Even if your condition has improved it is important to complete the prescribed course of azithromycin. If you stop taking this medicine too soon your infection is likely to return and could be more difficult to treat.
- Azithromycin can cause drowsiness and dizziness. Make sure your reactions are normal before driving, operating machinery or doing any other jobs which could be dangerous if you were not fully alert.
- Some people develop thrush after taking a course of antibiotics. If you think you have thrush speak to your doctor or pharmacist.
- Important: Oral contraceptives may be less effective while you are taking azithromycin 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 azithromycin and for at least seven days after your course of azithromycin 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.
Can azithromycin 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 - these affect less than 1 in 10 people who take this medicine | What can I do if I experience this |
| Nausea (feeling sick), vomiting (being sick), tummy pain | 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. |
| Indigestion and heartburn | Speak with your pharmacist who may be able to recommend a suitable remedy. If this continues to be a problem or prevents you from taking the medicine speak with your doctor. |
Important if you notice that you bruise very easily then speak with your doctor immediately.
Azithromycin can also cause other side effects but they are much less common, if you experience any other problems that you think may be caused by your medicine, speak with your doctor or pharmacist.
How to store azithromycin
- 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
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The authors and editors of this article are employed to create accurate and up to date content reflecting reliable research evidence, guidance and best clinical practice. They are free from any commercial conflicts of interest.
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