Buy azithromycin for chlamydia online

You can order chlamydia treatment online without the need to visit a sexual health clinic or a doctor. Simply fill out an online questionnaire, and have your medication delivered in discreet packaging.

Azithromycin Prices

Name & Dosage x4 Tablets
(3-Day Treatment)
Azithromycin 500mg Tablets
(3-Day Treatment)
£17.99

Summary for Azithromycin 500mg Tablets

Medication class Macrolide antibiotic
Mechanism of action Stopping bacteria from making the proteins they need to grow and multiply
Active ingredient Azithromycin dihydrate
Strength 500mg
Effective within Course length: 3 days (allow 7 days from starting treatment for the infection to clear)
Dosage instructions Two tablets on the first day, one tablet on day two and three
Manufacturer Sandoz, Teva, Almus, Actavis
Use with alcohol No known interaction

Key points

  • Taken daily for 3 days
  • Second line treatment for chlamydia
  • Discreetly delivered

What is azithromycin used for?

Azithromycin is an antibiotic belonging to the macrolide class. Macrolide antibiotics have a broad spectrum of activity and are commonly used to treat mild to moderate bacterial infections including chlamydia. It is also used in the treatment of respiratory-tract infections, ear infections and skin infections, and is a versatile antibiotic.

How does azithromycin work to cure chlamydia?

Azithromycin is a macrolide antibiotic. It works by stopping bacteria from making the proteins they need to grow and multiply, allowing your immune system to clear the infection.

How long does azithromycin take to work?

Azithromycin begins to work as soon as it is taken. The course if for 3 days. It can take up to 7 days from starting azithromycin for the infection to clear.

How effective is azithromycin for treating chlamydia?

Azithromycin is now a second-line treatment because doxycycline has been shown to cure more infections, especially rectal infections. Reducing azithromycin use also helps limit antibiotic resistance in other sexually transmitted infections.

When you can have sex again

Do not have sex (including oral and anal sex) for 7 days after starting azithromycin, until your symptoms have gone, and until any sexual partners have also been treated and waited 7 days.

Important note: Doxycycline is more effective than azithromycin for chlamydia. Azithromycin should only be used if you are unable to take doxycycline.

Azithromycin alternatives

Doxycycline is the first line chlamydia treatment. Studies show it is more effective than azithromycin, particularly for rectal infection.

Azithromycin ingredients

Active ingredient: azithromycin dihydrate

Inactive ingredients: Calcium hydrogen, phosphate, anhydrous, starch, pregelatinized (maize starch), croscarmellose sodium, sodium, lauryl sulfate, magnesium stearate.

Azithromycin Dosage Instructions

The dose of azithromycin required to treat chlamydia is 1g (2 x 500mg tablets) taken on the first day of treatment, followed by 500mg (1 tablet) take once daily, for the next two days.

Azithromycin Side Effects

ike all medicines, azithromycin can cause side effects, although not everybody gets them.

Very common (may affect more than 1 in 10 people): diarrhoea.

Common (may affect up to 1 in 10 people): headache, feeling sick (nausea), being sick (vomiting), stomach pain, and changes in blood test results.

Uncommon (may affect up to 1 in 100 people): thrush (including oral and vaginal thrush), other infections, sore throat, runny nose, loss of appetite, dizziness, sleepiness, difficulty sleeping, nervousness, taste changes, tingling or numbness, blurred vision, vertigo, palpitations, hot flushes, breathlessness, nosebleeds, indigestion, wind, bloating, constipation, dry mouth, mouth ulcers, rash, itching, hives, sweating, muscle, joint, back or neck pain, swelling, tiredness, chest pain, fever, and bleeding between periods.

Rare (may affect up to 1 in 1,000 people): agitation, liver problems including yellowing of the skin or eyes, and skin sensitivity to sunlight.

Stop taking azithromycin and get urgent medical help if you have:

  • signs of a severe allergic reaction, such as swelling of the face, lips, tongue or throat, difficulty breathing or swallowing, or collapse
  • a severe skin rash, blistering, peeling or a widespread rash with fever
  • a fast or irregular heartbeat, or you faint
  • yellowing of the skin or eyes, dark urine or severe tiredness
  • severe stomach pain spreading to your back
  • severe or prolonged diarrhoea, especially if it contains blood or mucus

For the full list of side effects, see the patient information leaflet supplied with your medicine. You can report side effects through the MHRA Yellow Card Scheme at www.mhra.gov.uk/yellowcard or via the Yellow Card app.

Azithromycin Warnings

Do not take azithromycin if you are allergic to azithromycin, erythromycin or any other macrolide or ketolide antibiotic.

Tell our prescriber before taking azithromycin if you have:

  • severe liver or kidney problems
  • heart problems, including an abnormal heart rhythm or a condition called long QT syndrome
  • low blood levels of potassium or magnesium
  • myasthenia gravis
  • or if you take any medicines that can affect your heart rhythm

Azithromycin Interactions

You should discuss the use of azithromycin if you are taking any of the following:

  • Ergotamine (used to treat migraines)
  • Statins (used to treat high cholesterol)
  • Warfarin or any other blood thinners
  • Cisapride (used to treat stomach problems)
  • Zidovudine or Nelfinavir (used in the treatment of HIV)
  • Rifabutin (used to treat tuberculosis)
  • Quinidine or Digoxin (used to treat heart problems)
  • Cyclosporin (used as an after treatment in transplants)
  • Theophylline (used to treat breathing problems)

Azithromycin and Pregnancy/Breastfeeding

If you are pregnant, azithromycin is usually the recommended treatment for chlamydia, as doxycycline cannot be used in pregnancy. Please tell your prescriber if you are pregnant, as you will need a follow-up test (a “test of cure”) around 3 weeks after finishing treatment. Your GP or sexual health clinic can arrange this.

Azithromycin is present in breastmilk and should only be used under the advice of your doctor if no suitable alternatives are available.

Frequently Asked Questions

Yes, you can drink alcohol when taking azithromycin tablets. Do not drink if you are experiencing nausea or vomiting when taking azithromycin.

If you still have symptoms, you should wait 1-2 weeks. Symptoms should start to ease off, however, if you are not noticing an improvement, you should visit your local GUM as you may wish to retest. There is also a possibility that you have another STI, which can be tested for at your local sexual health clinic.

Azithromycin tablets can be taken with or without food. If you take indigestion remedies (antacids), take azithromycin at least 1 hour before or 2 hours after them.

You should visit your GP or pharmacist if you are taking any medication that potentially may interact with azithromycin, you fall into the category of those in whom azithromycin may not be safe, you are pregnant or breastfeeding. You do not usually need to see a doctor again after treatment. However, you should retest if you are pregnant, if you did not complete the course or had sex too soon, or if your symptoms continue. If you are under 25, a repeat chlamydia test around 3 months after treatment is recommended.

A test of cure is not usually needed. However, you should retest if you are pregnant, if you did not complete the course or had sex too soon, or if symptoms continue. If you are under 25, a repeat chlamydia test around 3 months after treatment is recommended, as reinfection is common.

It is good practice for your sexual partners to be treated, as it is likely that you would have either caught the infection from them or passed it onto them.

No, each individual will need to complete their own consultation. Multiple orders from the same account will be rejected.

Yes, all your details are stored privately on a secure system. We will never share any information with anyone and have implemented security measures to ensure your personal details are kept safe. Your medication will be delivered by post in plain packaging, with no reference made to the contents of the package, or our company in general.

Azithromycin does not stop the contraceptive pill working. However, if you have vomiting or severe diarrhoea, your pill may not be absorbed properly. Follow the advice in your pill’s leaflet.

Written and clinically reviewed by our pharmacists

Abbas Kanani, MRPharmS
Written by

Abbas Kanani,
MRPharmS

View profile →
✓ Founder & Superintendent Pharmacist
✓ GPhC no. 2082291
✓ 13+ years experience
Clinically reviewed by

Hadi Habboushi,
MPharm

View profile →
✓ Independent Prescriber
✓ GPhC no. 2229049
✓ 5+ years experience
How we ensure accuracy →
First created 23rd April 2025
Last clinically reviewed 27th October 2026
Next review 27th October 2027

Azithromycin Tablets Reviews

Product rated 5/5

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"Jeffrey's Review"

Very effective

By Jeffrey Grove
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"Customer's Review"

Does the job

By Customer (via Reviews.io)
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"Customer's Review"

Does the job

By customer
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"Craig's Review"

All worked perfectly

By Craig

Customer reviews reflect individual experiences and are not medical advice.

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