Generic Zineryt / Erythromycin lotion

Acne treatment

Erythromycin + zinc acetate (generic Zineryt) lotion, containing the antibiotic erythromycin, is used to treat acne as part of a treatment plan. Available to buy online from Dr Fox (supplied pre-mixed).

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Buy Erythromycin online in UK

How to order Erythromycin + zinc acetate (generic Zineryt) online for UK delivery:

  1. Read medical information about acne treatment
  2. Answer medical questions to check for eligibility
  3. Reviewed by doctors - posted from UK pharmacy

Generic Zineryt prices

Generic Zineryt cost (in stock)
Acne treatment Quantity Cost
Erythromycin + Zinc Acetate 30mls (pre-mixed lotion) £16.00
Erythromycin + Zinc Acetate 90mls (pre-mixed lotion) £29.00

Price match guarantee
Prescription issued online - small prescription fee per order.

Prescription fees

Dr Fox supplies medicine on prescription and charges a small prescription fee based on the order value of each prescription.

Prescriptions are issued by our doctors online and sent electronically to our pharmacy.

Order value Prescription fee
up to £10 £1.00
up to £20 £2.00
up to £40 £3.00
over £40 £4.00

If you have your own private paper prescription please post to our pharmacy (details).

Dr Fox prices are 25%–50% lower than other UK online clinics.

*Dr Fox adds a small prescription fee not included in table above.
Comparative costs of Azithromycin from UK online clinics (05 February 2025) - qualifying notes
  1. The prices shown are listed by the online clinics named after a customer first enters consultation information and is offered prescriptions. It is possible these clinics may have special offers or lower prices for repeat supplies.
  2. Prices may change and are, to the best of our knowledge, accurate on the date stated. All products in stock and new condition.
  3. Dr Fox does NOT claim to provide a superior service to any of the online clinics listed. All the clinics listed, as far as we can tell, comply with all regulation and, as far as we can tell, operate to high ethical standards.
  4. Dr Fox adds a small prescription fee not included in the table (between £1 and £4 depending on value of the order).
  5. To amend the information in this table please contact us
  6. The prices listed in the table do not identify the cost of prescription medicine as online clinics charge a single fee to cover services which includes advice, consultations, prescriptions and dispensing and supply of treatments.
  7. Where services include free delivery this is using the slowest delivery option available. Dr Fox uses Royal Mail Tracked 24.
Erythromycin pre-mixed lotion Dr Fox* Boots Online Doctor ASDA Online Doctor Superdrug Online Doctor Click2Pharmacy The Independent Pharmacy
Erythromycin + Zinc Acetate 30mls £16.00 £20.00 £19.50 £30.00 £18.99 £29.99
UK delivery £2.90 Free Free £3.99 £3.20 Free

Delivery charges

UK delivery only: £2.90 per consultation via Royal Mail Tracked 24 (1-3 working days with tracking).

Parcel forwarding services are not permitted. Use only UK home or work delivery address.

Returns and refunds - unwanted items can be returned within 14 working days for a full refund.

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About erythromycin lotion

  • Erythromycin is a prescription-only antibiotic lotion used to treat acne whiteheads and pustules.
  • Erythromycin lotion is applied twice daily to affected areas for 10-12 weeks.
  • Branded Zineryt is discontinued - generic erythromycin 40mg + zinc acetate 12mg lotion is available.
  • Read the patient leaflet for a full list of side effects, cautions, and interactions with other drugs.
  • Step 3 in the Dr Fox treatment plan.

How does erythromycin lotion work?

Erythromycin lotion works by reducing the numbers of the skin bacteria which are associated with acne.

It also contains zinc which helps to reduce the build up of antibiotic resistance and encourages skin healing.

Who is erythromycin lotion for?

Erythromycin lotion works especially well on the whiteheads of mild to moderate acne. It is recommended at Step 3 of the Dr Fox acne treatment plan. Erythromycin lotion is suitable for all ages but Dr Fox supplies to over 18s only.

Who should not use erythromycin lotion

Erythromycin lotion should not be used if there is known allergy to erythromycin or other macrolide antibiotics, e.g. clindamycin, clarithromycin, azithromycin.

Do not use on cuts, grazes, sunburn, or eczema.

Do not use at the same time as other antibiotics to treat acne.

How to use erythromycin lotion

Please note: pharmacists are required to pre-mix erythromycin lotion before posting, and once mixed the lotion has an 8-week shelf life.

Wash and dry the acne affected area. Apply erythromycin lotion twice daily to this area, not just the individual spots, using the applicator pad attached to the bottle. Apply thinly, washing off or any solution in contact with the eyes, mouth, or inside the nose.

It may take a few weeks of use, and up to 8 weeks for best results. If acne gets worse, or there is no improvement after 8 weeks, stop erythromycin lotion and consult a doctor.

Erythromycin lotion should be stopped after 10-12 weeks as the acne bacteria may develop resistance to the antibiotic if used more frequently. If the acne is clearing but has not fully resolved it can be continued for a further 12 weeks in exceptional circumstances. It should not be restarted for at least 3 months after stopping.

Erythromycin lotion side effects and cautions

Erythromycin lotion does not usually cause side effects.

If a skin or allergic reaction is suspected, stop use and consult a doctor.

Erythromycin lotion can be used by pregnant and breastfeeding women, but women who are breastfeeding should not apply the lotion to the chest area.

Further information is available in the manufacturer's patient information leaflet.

Other acne treatments

A range of acne treatments are available from Dr Fox.

Peeling and anti-inflammatory topical preparations, such as Differin and Epiduo can be used at the same time with erythromycin lotion, although this increases the chances of localised side effects, such as skin irritation. If using a peeling/anti-inflammatory acne treatment as well, use it first and allow it to dry before applying erythromycin lotion.

Other antibiotics used to treat acne are clindamycin found in Duac topical preparation, and lymecycline, other tetracyclines, and clarithromycin, taken as tablets or capsules.

Winlevi is a topical cream that contains an antiandrogen clascoterone that helps reduce sebum production and improve acne.

Some women find that combined contraceptive pills can improve acne.

People with severe acne including scarring, may benefit from seeing a dermatologist to consider Roaccutane (isotretinoin) tablet treatment.

Patient Information Leaflet

Illustration of patient leaflet from medicine packet

The Patient Information Leaflet (PIL) is the leaflet included in the pack with a medicine and must be read before taking the medicine. It is written for patients and gives information about taking or using a medicine.

Erythromycin/Zinc acetate 40mg/12mg patient leaflet


Erythromycin lotion FAQs

Do I have to use erythromycin lotion twice a day?

Yes. The antibiotic in erythromycin lotion does not last very long on the skin so it needs to be applied twice a day. Using it less often is more likely to encourage resistance to the antibiotic which will cause it not to work very well.

How long should I use erythromycin lotion for?

Erythromycin lotion should be used for up to 3 months (10-12 weeks) and then stopped. It can be used for a further 12 weeks if acne has responded but not fully cleared. A break of at least 3 months should be taken before restarting after completing a course.

Can I wear makeup with erythromycin lotion?

Yes. Makeup can be applied if using erythromycin lotion. Apply it after the lotion but make sure that the lotion is completely dry first. Use oil-free non-comedogenic, non-acnegenic cosmetics.

Zineryt hasn't worked - what next?

Erythromycin lotion needs to be used for at least 8 weeks for the best effect. If acne has not improved by then, either swap to another step 3 treatment, i.e. Duac or Epiduo, or move onto lymecycline capsules from step 4 of the Dr Fox acne treatment plan.

See also FAQs: Acne and treatment options.

Dr Claire Pugh

Authored 30 September 2025 by Dr C. Pugh
MB ChB University of Liverpool 2000. NHS GP and GP appraiser. GMC no. 4712688

Reviewed by Dr B. Babor, Dr A. Wood
Last reviewed 29 September 2025
Last updated 8 January 2026
Editorial policy

Recent Zineryt reviews

Zineryt rated 4.83/5 in 65 product reviews

See over 50,000 service reviews of Dr Fox

Erythromycin lotion (Zineryt)

It really works. After 2 weeks using it, my acne is clearing up and is not so inflamed.

16 March 2025
Anonymous Verified

Erythromycin lotion (Zineryt)

Great value

22 December 2025
Anonymous Verified

Erythromycin lotion (Zineryt)

Starting to clear skin. Better than other treatments I have tried.

17 June 2025
Anonymous Verified

Erythromycin lotion (Zineryt)

Acne significantly reduced with regular use.

24 October 2024
Anonymous Verified

Erythromycin lotion (Zineryt)

Great works so well and keeps my face clear.

03 October 2024
S. Edwards Verified

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