adapalene vs metronidazole topical
PlainMeds reviewed this comparison against our methodology in August 2026. It places FDA and CMS record fields side by side, without recommending either medication.
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.
Differin
MetroGel
No summary available.
Metronidazole gel is a medicine that you put on your skin. It helps treat rosacea.
Information not available.
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.
Information not available.
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.
- • Dry skin
- • Contact dermatitis (skin rash)
- • Burning feeling on the skin where you put the medicine
- • Skin irritation
- • Burning
- • Skin irritation
- • Dryness
- • Temporary redness
- Dry Skin 44,990
- Skin Burning Sensation 41,633
- Acne 39,264
- Erythema 38,379
- Skin Irritation 26,225
- Nausea 3,318
- Diarrhoea 2,621
- Vomiting 2,211
- Pyrexia 2,205
- Headache 2,127
No specific warnings noted.
You should not use this medicine if you are allergic to metronidazole, parabens, or any of the other ingredients.
No pregnancy information available.
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.
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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 190,491 submissions while metronidazole topical has 12,482. 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 represent individual circumstances. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This registry does not provide medical, treatment, substitution, or medication-change directions for adapalene or metronidazole topical.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.