Erythromycin 250mg Tablets

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Erythromycin Tablets – Antibiotic Treatment for Rosacea

  • 1 x 168 tablets (6 weeks supply) £36.99

Erythromycin 250mg tablets are an effective antibiotic used to kill bacteria that live on the skin and cause rosacea symptoms like redness and blemishes. Within a few months, the skin appears clearer and less irritated.

What exactly is Erythromycin?

Erythromycin is a generic branded macrolide antibiotic that is available in 6 or 12 week supplies to treat the irritation, inflammation, and acne caused by rosacea. It is appropriate for people who cannot take tetracycline antibiotics like doxycycline, and oxytetracycline.

Most people will notice a significant improvement in the condition of their skin within 2 months of taking Erythromycin twice a day to treat rosacea or acne.

What is the purpose of Erythromycin?

Erythromycin tablets can be used to treat a variety of infections. It may be prescribed by My London Pharmacy for people who have rosacea, a skin condition.

This treatment is appropriate for people who have tried topical rosacea treatments but have not been successful in clearing up their skin.


Rosacea is a skin condition that can cause redness, thickened skin, and pimples. It is also known as adult acne. Erythromycin is a highly effective antibiotic for treating the bacteria that causes rosacea. Erythromycin can also be prescribed to treat acne, but we do not currently sell it online.


How does Erythromycin function?

Erythromycin is a macrolide antibiotic that works by reducing the number of bacteria on the skin. It helps to clear the skin by killing bacteria, leaving it looking clearer and feeling smoother.

How long does Erythromycin take to take effect?

Erythromycin tablets can take at least 2 months to show significant improvement in skin conditions such as rosacea.

You must take your Erythromycin tablets for the entire duration of your course. You may notice that your skin looks and feels better before this time, but you must not stop taking it too soon to prevent the bacteria from returning.

Alcohol and erythromycin

Alcohol consumption while taking Erythromycin tablets may reduce the antibiotic effect of this medication. As a result, you may want to avoid or limit your alcohol consumption while taking Erythromycin.


Before taking Erythromycin tablets, make sure you’ve read and comprehended the Patient Information Leaflet.

If you have any of the following medical conditions, you should not buy Erythromycin online because it may be unsafe to take:

  • Reduced liver function.
  • Kidney function is severely impaired.
  • A ‘prolonged QT interval’ on a heart monitoring trace (ECG) indicates an abnormal heart rhythm, or people at risk of this (your doctor will know).
  • Muscle weakness that is abnormal (myasthenia gravis).
  • Porphyrias are hereditary blood disorders.

Interactions with Erythromycin

If several medications are taken at the same time, erythromycin may cause interactions.

If you are taking any of the following medications, you should not buy Erythromycin tablets online because they may interact with them:

  • The drug warfarin (thins the blood)
  • Cisapride (used for stomach disorders)
  • Pimozide (used in the treatment of psychiatric disorders)
  • The antibiotic clarithromycin (an antibiotic used to treat certain infections)
  • Dihydroergotamine or ergotamine (for migraine)
  • Zopiclone (induces sleep)
  • Theophylline (helps ease breathing)
  • Lovastatin (blood cholesterol-lowering drugs)
  • Alfentanil
  • Bromocriptine
  • Carbamazepine
  • Cyclosporin
  • Digoxin
  • Disopyramide
  • Hexobarbitone
  • Triazolam or Midazolam
  • Phenytoin\sQuinidine
  • Tacrolimus
  • Valproate
  • Simvastatin
  • Tolterodine
  • Mizolastine
  • Amisulpride
  • Terfenadine
  • Astemizole
  • Pregnancy and Erythromycin
  • Pregnant or breastfeeding women should only take erythromycin tablets if absolutely necessary, and this should be discussed with your doctor or pharmacist.


Dosage of erythromycin for rosacea

The My London Pharmacy can prescribe Erythromycin 250mg tablets for oral use to kill the bacteria that causes rosacea.

Adults over the age of 18 should take two 500 mg tablets four times a day for up to 12 weeks. Tablets should be taken either before or after eating.

Before beginning Erythromycin treatment, please thoroughly read the Patient Information Leaflet.

Overdoes of erythromycin

An overdose of Erythromycin can result in temporary hearing loss, nausea, vomiting, or diarrhoea. Even if you do not feel ill, contact a doctor or go to your nearest hospital emergency department right away if you have taken more than the recommended dose of this medication.

Side effects of erythromycin

Erythromycin, like other antibiotics, may cause unwanted side effects in some people. If you are concerned about any side effects, you should consult a doctor.

The following are the most common side effects:

  • Appetite suppression
  • Vomiting or diarrhoea#
  • Dizziness
  • Headache
  • Changes in hearing, vision, and taste
  • Sleeping problems
  • Reactions on the skin

Please see the Patient Information Leaflet for more information on side effects and how to report new ones.

Allergy to erythromycin

People who are allergic to penicillin frequently use erythromycin as an alternative antibiotic. However, Erythromycin can cause allergic reactions in some people.

The following are symptoms of an allergic reaction:

  • Breathing difficulties
  • Fainting
  • Face, lip, or throat swelling
  • Rashes on the skin

If you have any serious side effects, including symptoms of an allergic reaction, call 999 or go to your nearest emergency room as soon as possible.

Read the product leaflet

Delivery options

  • Free on orders over £20
  • £2.49 for orders up to £20
  • Delivered in 3-5 working days

Express delivery

  • Free on orders over £60
  • £4.49 on orders up to £60
  • Delivered Next Day if ordered before 3 pm Monday to Friday / Delivered Tuesday if ordered after 3pm Friday to Sunday

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