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adapalene vs metronidazole topical

Side-by-side comparison of adapalene and metronidazole topical Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.

Drug Class
adapalene Retinoid (Topical)
metronidazole topical Topical Antibiotic (Rosacea)
Type
adapalene Over-the-Counter
metronidazole topical Prescription
Summary
adapalene

Adapalene and benzoyl peroxide gel is a medicine used on the skin to treat acne. It contains two medicines: adapalene (a retinoid) and benzoyl peroxide.

metronidazole topical

Metronidazole gel is a medicine that you put on your skin. It helps treat rosacea.

What It Treats
adapalene

This medicine treats acne, a skin condition with pimples and bumps. You can use this medicine if you are 9 years or older. Apply the gel to the affected areas of your face and/or trunk.

metronidazole topical

This medicine treats rosacea. Rosacea causes small, red, pus-filled bumps on your skin. This medicine helps to reduce the redness and swelling caused by rosacea.

How It Works
adapalene

Adapalene is a retinoid that helps to unclog pores and reduce inflammation. Benzoyl peroxide is an antibacterial medicine that kills acne-causing bacteria. Together, they help to clear up acne.

metronidazole topical

Metronidazole is an antiprotozoal and antibacterial medicine. It's not fully known how it works for rosacea. It may reduce inflammation and kill certain germs.

Common Side Effects
adapalene
  • Dry skin
  • Contact dermatitis (skin rash)
  • Burning feeling on the skin where you put the medicine
  • Skin irritation
metronidazole topical
  • Burning
  • Skin irritation
  • Dryness
  • Temporary redness
FAERS Reports
adapalene
  • The medicine did not work 51,276
  • Dry skin 44,990
  • Burning feeling on the skin 41,633
  • Acne 39,264
  • Redness 38,379
metronidazole topical
  • The medicine did not work 4,364
  • Feeling sick to your stomach 3,317
  • Using the medicine for something it's not approved for 3,130
  • Loose, watery stools 2,622
  • Throwing up 2,212
Serious Warnings
adapalene

When using this medicine, avoid sunlight and sunlamps. If you can't avoid the sun, wear sunscreen. This medicine may cause skin irritation, redness, scaling, dryness, stinging, or burning. If this happens, use a moisturizer or apply the medicine less often. If irritation is severe, stop using the medicine.

metronidazole topical

You should not use this medicine if you are allergic to metronidazole, parabens, or any of the other ingredients.

Pregnancy
adapalene

If you are pregnant, only use this medicine if the benefit outweighs the risk to the baby. It is not known if this medicine passes into breast milk, so talk to your doctor before using it if you are breastfeeding.

metronidazole topical

It is not known if this medicine will harm an unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant. It is also not known if this medicine passes into breast milk.

Also Compare — Nearby Drugs

How to Read This adapalene vs metronidazole topical Comparison

adapalene is classified in the Retinoid (Topical) drug class, while metronidazole topical sits within the Topical Antibiotic (Rosacea) class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are split between OTC and prescription status, which affects access and supervision.

Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, adapalene has 215,542 submissions while metronidazole topical has 15,645. Those figures reflect cumulative reporting volume — not per-patient risk — so older, widely dispensed drugs typically look worse on count alone. No direct interaction between these two drugs is listed in our FDA-derived dataset, though co-prescription still warrants pharmacist review. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.

A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between adapalene and metronidazole topical — always consult your physician or pharmacist first.

Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.