For Adults · Topical Antibiotic

Clindamycin
& Erythromycin

Clear breakouts at the source.

Prescription topical antibiotics that clear the bacteria behind breakouts and calm inflammation — prescribed online, reviewed by licensed providers, and shipped discreetly from U.S. pharmacies to all 50 states.

Your price depends on the dose your provider prescribes

$199/mo Most people start here

Start your online visit →

A few private questions, then a licensed provider reviews your answers.

100% Online Licensed Providers Discreet Shipping No Insurance
At a glance
Drug class
Topical antibiotic
Forms
Gel · lotion · solution
Use
Once–twice daily
Treats
Inflammatory acne
Prescription
Required · reviewed
Also known as
Cleocin T® · Ery
The basics

What are clindamycin & erythromycin?

What it is
Prescription topical antibiotics
Drug class
Topical antibiotic (clindamycin / erythromycin)
Treats
Inflammatory & bacterial acne
Forms
Gel, lotion, solution, or compounded blend
Often compounded
With benzoyl peroxide or a retinoid
How you use it
Thin layer, once or twice daily
Prescription
Provider-reviewed · no insurance required
Shipping
Discreet, unmarked · all 50 states
Start your online visit →

Clindamycin and erythromycin are prescription topical antibiotics used to treat acne. Applied directly to the skin, they lower the number of acne-associated bacteria and reduce the inflammation that makes breakouts red and painful.

Because acne isn't caused by bacteria alone, providers often compound a topical antibiotic with benzoyl peroxide or a retinoid. That combination attacks the breakout from more than one angle and helps keep the antibiotic working over time — which is why they're frequently prepared together in a single provider-selected formula.

Clindamycin is the more commonly prescribed of the two today. Applied to clean, dry skin once or twice a day, a thin layer over the affected area is enough. Your provider selects the antibiotic, the form, and any partner actives during your online visit.

Understanding the cause

Why is inflammatory acne happening in the first place?

Inflammatory acne is what happens when a clogged pore gets colonized by acne-associated bacteria and the skin reacts. The result is the red, swollen, tender breakouts that look and feel angry rather than just clogged — and it's exactly this bacteria-plus-inflammation cycle that topical clindamycin and erythromycin are built to interrupt.

Bacteria fuel the flare

An overgrowth of Cutibacterium acnes — the acne-associated bacteria — is a key driver of inflammatory breakouts. Reducing that population on the skin is what settles them down.

Inflammation makes it worse

The redness and swelling are what turn a clogged pore into a painful pimple. Calming that inflammation directly quiets how a breakout looks and feels.

Know the difference

Prescription antibiotic vs. OTC benzoyl peroxide vs. salicylic acid — what's the difference?

The short answer: OTC benzoyl peroxide and salicylic acid work on the surface — one dries out bacteria, the other exfoliates clogged pores — while a prescription topical antibiotic targets the acne bacteria and inflammation directly, and can be compounded with a partner active for your skin.

 Benzoyl peroxide (OTC)Salicylic acid (OTC)Topical antibiotic (Rx)
What it doesKills surface bacteria; can dry and bleachExfoliates and unclogs poresClears acne bacteria & calms inflammation
Best forMild, occasional breakoutsBlackheads & clogged poresInflammatory & bacterial acne
How you get itOff the shelfOff the shelfProvider-reviewed prescription
Combined activesOne ingredientOne ingredientOften compounded with benzoyl peroxide or a retinoid
Provider involvedNoNoYes — reviews your skin & history first

Many people try OTC washes and spot treatments first, and find they only go so far on red, inflamed breakouts. A prescription topical antibiotic is the next step up: same simple daily application, but with a provider in the loop and a formula built for your skin instead of the average shelf.

How it works

How does a topical antibiotic clear acne?

It works right on the skin — slowing the bacteria that drive breakouts, calming the inflammation that makes them red, and clearing pimples over weeks of consistent use, especially when paired with another acne active.

I

Stops bacterial growth

Both antibiotics interfere with the protein-building machinery of acne-associated bacteria, slowing their growth on the skin.

II

Reduces inflammation

Fewer bacteria and a direct anti-inflammatory effect mean less of the redness and swelling that define inflammatory acne.

III

Clears breakouts

Over weeks, existing pimples settle and new ones form less often — especially when paired with benzoyl peroxide or a retinoid.

Who it's for

Is a topical antibiotic right for you?

Topical clindamycin and erythromycin are a strong fit for adults with inflammatory or bacterial acne. A provider confirms it's appropriate for your skin and history.

Inflammatory acne

Red, swollen, tender papules and pustules — the breakouts that look angry rather than just clogged.

Bacterial breakouts

Acne where an overgrowth of skin bacteria is fueling flare-ups that OTC products haven't calmed.

Combination therapy

Anyone whose provider wants to pair an antibiotic with benzoyl peroxide or a retinoid in one routine.

Ready to be consistent

Topical antibiotics reward daily use — improvement builds over several weeks, so a routine you'll keep matters.

When it's not the right fit

If your main concern is fine lines, texture, or anti-aging rather than active breakouts, Tretinoin is built for that instead. And severe cystic acne, an antibiotic allergy, a history of colitis or gut conditions, or pregnancy and breastfeeding all need to be raised with your provider before starting — mention them in your visit.

How to get it

How do I get clindamycin or erythromycin online?

You complete a private online visit, a licensed provider reviews it, and — if appropriate — your acne treatment ships to your door. No insurance required, no in-person appointment, no waiting room.

Complete your online visit

A few private questions about your skin and history, on your own time.

Provider review

A provider licensed in your state reviews your information and, if appropriate, prescribes the antibiotic and formula that fit you.

Discreet delivery

Shipped from a U.S. pharmacy in plain, unmarked packaging to all 50 states. Automatic refills available, and you can message your care team anytime.

Pricing is shown at checkout — no insurance needed, no hidden fees.

Using it & safety

How do I use it, and is it safe?

You apply a thin layer to clean, dry skin once or twice a day as directed — a little goes a long way — and your provider often pairs it with another active to keep it working. Improvement builds over several weeks, not days.

How to use it

When
Once or twice daily as directed, on clean, dry skin.
How much
A thin layer over the affected area — a little goes a long way.
Pair it
Often used with benzoyl peroxide or a retinoid to keep it effective and limit resistance.
Stay consistent
Use daily as prescribed; improvement builds over several weeks, not days.
Be patient
Most people notice gradual change over about 6–8 weeks of consistent use.
Forms
Gel, lotion, solution, or a compounded blend — your provider selects what fits your skin.
GelLotionSolutionCompounded blend

Safety & side effects

⚠ Tell your provider about gut or allergy history

Rarely, topical clindamycin has been associated with intestinal side effects. Stop use and contact a provider if you develop severe or persistent diarrhea. Tell your provider about any antibiotic allergy, colitis history, other medications, pregnancy, or breastfeeding before starting.

Because these are applied to the skin rather than taken by mouth, side effects are usually mild and local. Possible side effects include:

  • Dryness or peeling
  • Redness, itching, or mild burning
  • Oily or scaly skin at the application site
  • Rare: intestinal upset (topical clindamycin)
  • Irritation if over-applied or over-layered

Use only as directed and start with the smallest effective amount. Stop use and message your care team if you develop severe irritation, a rash, or persistent stomach symptoms — they can adjust your formulation or pause treatment.

Compare your options

Which routine fits you?

A side-by-side look at the prescription skin options available through ForbiddenRx. Your provider helps you choose what's right.

TreatmentWhat it isFocusFormRx required
Clindamycin / Erythromycin
Popular
Topical antibioticInflammatory & bacterial acneGel / lotion / solutionYes
TretinoinPrescription retinoidAcne + anti-agingCream / gelYes
NiacinamideVitamin B3 barrier activeRedness & oil controlSerum / creamYes
HydroquinoneSkin-brightening agentDark spots & hyperpigmentationCreamYes
GHK-CuCopper-peptide creamSkin repair & firmnessCreamYes
Questions, answered

Clindamycin & erythromycin FAQ

What do topical clindamycin and erythromycin do?

They're prescription topical antibiotics for acne. Applied to the skin, they reduce the acne-associated bacteria and calm the inflammation that makes breakouts red and tender, so pimples settle and new ones form less often.

What's the difference between clindamycin and erythromycin?

Both are topical antibiotics that fight acne bacteria and inflammation. Clindamycin is the more commonly prescribed of the two today. Your provider chooses between them based on your skin, tolerance, and history.

Why are they combined with other ingredients?

Acne isn't caused by bacteria alone, and antibiotics can lose effectiveness over time when used by themselves. Pairing them with benzoyl peroxide or a retinoid attacks breakouts from more than one angle and helps keep the antibiotic working — which is why they're often compounded together.

How long until I see results?

Most people notice gradual improvement over about 6–8 weeks of consistent use. Topical antibiotics work steadily rather than overnight, so daily use as prescribed matters.

Are the side effects serious?

Because these are applied to the skin, side effects are usually mild and local — dryness, redness, itching, or brief stinging. Rarely, topical clindamycin has been linked to intestinal upset; stop and contact a provider if you develop severe or persistent diarrhea.

Can I use them while pregnant?

Some topical antibiotics may be used in pregnancy, but this is a decision only your provider can make. Tell your provider if you're pregnant, trying to conceive, or breastfeeding so they can recommend the safest option for you.

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U.S.-based compounding partners

All 50 States

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Build your routine

Clear smarter

Complete a quick online visit and a licensed provider reviews your information — if appropriate, your acne treatment ships discreetly to your door.

Start your online visit →

  • Discreet, unmarked packaging
  • Automatic refills
  • Message your care team anytime
  • Licensed providers in all 50 states
Medically reviewed

Sources & references

Medically reviewed by ForbiddenRx Medical Affairs — Independent, licensed medical providers · Last reviewed July 2026. This page was written and is periodically reviewed for medical accuracy in line with clinical guidance followed by the independent, licensed medical providers in the ForbiddenRx network. It is provided for general educational purposes and is not a substitute for professional medical advice, diagnosis, or treatment. Always talk with a licensed provider about your individual skin and health.

  1. American Academy of Dermatology (AAD). Acne: diagnosis, treatment, and patient guidance.
  2. MedlinePlus. Clindamycin Topical — drug information.
  3. MedlinePlus. Erythromycin Topical — drug information.
  4. U.S. Pharmacopeia (USP). General Chapter <795> Pharmaceutical Compounding — Nonsterile Preparations.
For further reading

Clinical references

This page is educational and is not medical advice.