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Azithromycin Dihydrate

Azyter is a branded antibiotic treatment used for eye infections, in particular conjunctivitis.

Azyter is not available through our online pharmacy. See your GP if you think you may have an eye infection.

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PLEASE NOTE: This treatment is not available through our online pharmacy service. This page is for information only. If you are experiencing any of the symptoms related to the condition(s) this medication treats, we strongly recommend that you see your GP in person.

This content was reviewed by a clinician on

31 August 2020
dr daniel

Dr Daniel Atkinson

(GP Clinical Lead - GMC No. 4624794) 31 August 2020
Product information

Azyter is a branded antibiotic treatment manufactured by Thea, containing the active ingredient azithromycin dihydrate. Azyter eye drops are taken twice a day and are used to combat a type of eye infection called conjunctivitis.

  1. Three day course
  2. Widely prescribed antibiotic
  3. Treats both bacterial and trachoma conjunctivitis

Conjunctivitis occurs as a result of an inflamed conjunctiva (the thin layer of cells covering the front of the eyes). It is caused by numerous factors including infection, allergy or irritation. However, it is most commonly caused by bacteria or a virus, much like the ones found in the common cold.

Often referred to as ‘red eye’, conjunctivitis is identified by the whites of the eyes looking red, pink or inflamed. The inflammation can encourage the eye’s glands to water excessively and even produce pus or mucus. You may feel as though you have grit in your eyes or a burning sensation. On occasion you may experience a sticky substance along the lash line, usually in the morning, or an enlarged lymph node near to the ear. One eye initially presents symptoms before the infection transfers to the other.

Eye infections can affect people of both genders and all ages, although some people are more susceptible to infection than others. For instance, children may be more prone, due to frequently coming into contact with the infection at school; as might the elderly due to their weaker immune system. People with diabetes, blepharitis, those who have had a recent upper respiratory tract infection or who are taking corticosteroids may also be more likely to get conjunctivitis. As the infection can be passed on through close contact with other people, a good level of hygiene is important. You should remember to wash your hands at regular intervals and avoid sharing towels and pillows.

Azyter eye drops work by attacking the bacteria responsible for the spread of the infection. Antibiotics prevent the bacteria from creating an essential protein they need to multiply. Without the protein the bacteria become unstable and the body’s natural defences can overpower them, reducing symptoms and killing off the infection.

Azyter eye drops are not available from our online clinic.

It is important to make an appointment with your doctor if you think you may have an eye infection or conjunctivitis. They will be able to assess your symptoms and offer the most appropriate treatment.

Page last reviewed:  31/08/2020


When you use Azyter eye drops, make sure you follow the prescriber’s instructions and read the provided patient information document.

  1. Only administer this medication directly to the eye.
  2. Wash your hands before and after use.
  3. To apply, look up and pull the lower eyelid down. 
  4. Apply one drop to each infected eye.
  5. Do not allow the dropper to come into contact with the eye or eyelid.
  6. Do not exceed the three day course. These drops continue to work once the course is finished. 
  7. Contact lenses should be avoided until 24 hours after the last dose.

This information is only a guide. Consult the enclosed leaflet for more detailed directions.

Download PDF

Page last reviewed:  31/08/2020
Please read the patient information leaflet for this medicine fully before use:

Azyter 15mg/g

Side effects & Warnings

Side effects

If you develop side effects whilst using this product you should immediately inform your doctor or prescribing practitioner. Possible side effects associated with this treatment include:

Very common (1 in 10 people or more):
An itching or burning sensation.

Common (1 in 10 people or less):
A feeling of something in your eye, blurred vision or sticky eye.

Uncommon (1 in 100 people or less):
Swelling of the face or throat, itchy, dry or red eyelids, or watery eyes.

This is not an exhaustive list of side effects. More information can be found in the enclosed information leaflet.

Taking it with other medicines

During your consultation you should disclose any other prescription items that you are currently using or have recently used. If you are using other eye treatments alongside Azyter, you should use them first and wait for 15 minutes before administering this product.

Conditions to look out for

Please notify your prescriber if you are pregnant, think you may be pregnant or are breastfeeding.



Page last reviewed:  31/08/2020
Please read the patient information leaflet for this medicine fully before use:

Azyter 15mg/g


Can I still drink alcohol?

There are no known interactions between Azyter and alcohol, but it is best to avoid alcohol when taking antibiotics.

Will I still be able to drive?

You may experience blurred vision for a short while following the application of this product. You should wait until your eyesight is back to normal before driving or using any machinery.

Can I take the medicine while pregnant?

You should inform the prescribing practitioner if you are pregnant, trying to become pregnant or are breastfeeding. The doctor will decide whether this product is suitable for your circumstances.

How should I store it?

All medicines should be stored out of the reach of children. Keep the product in its original packaging, away from direct light and under 25ºC.

Am I allergic to anything in the medicine?

Do not use this product if you are allergic to azithromycin, any macrolide-group antibiotics or medium-chain triglycerides.

Is it available over-the-counter?

No. Azyter eye drops can only be obtained with a prescription.

Is it right for me?

See your doctor as soon as possible if you think you may have an eye infection. After examining your symptoms, your GP will issue treatment if necessary.


Page last reviewed:  31/08/2020 is rated 4.9 out of 5 by 3209 customers on TrustPilot!
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