adapalene vs imiquimod
Side-by-side comparison of adapalene and imiquimod. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
No summary available.
Imiquimod cream helps your immune system fight certain skin problems. It is used on the skin to treat actinic keratosis, superficial basal cell carcinoma, and genital warts.
Information not available.
This medicine treats actinic keratosis (AK) on the face or scalp. AKs are rough, scaly patches of skin caused by too much sun. It also treats superficial basal cell carcinoma (sBCC) on the trunk, neck, or arms/legs. sBCC is a type of skin cancer. Finally, it treats external genital and perianal warts in people 12 years and older.
Information not available.
Imiquimod cream helps your body's immune system fight the problem. It is not fully understood how it works. It stimulates the immune cells to release chemicals that attack the AK, sBCC, or warts.
- • Dry skin
- • Contact dermatitis (skin rash)
- • Burning feeling on the skin where you put the medicine
- • Skin irritation
- • Redness
- • Flaking, scaling, or dryness
- • Scabbing or crusting
- • Swelling
- • Erosion or ulceration
- Dry skin 44,990
- Burning feeling on the skin 41,633
- Acne 39,264
- Redness 38,379
- Skin irritation 26,225
- Redness 176
- Tiredness 171
- Pain 132
- Feeling sick to your stomach 109
- Flu-like symptoms 101
No specific warnings noted.
Imiquimod cream can cause intense skin reactions. This may include weeping, erosion, or swelling. If you have severe vulvar swelling, stop using the cream. This medicine can also cause changes in skin color. Avoid sunlight or sunlamps while using this medicine. Use sunscreen and wear protective clothing.
No pregnancy information available.
Tell your doctor if you are pregnant or plan to become pregnant. Animal studies suggest low risk, but there is limited human data. Talk to your doctor about the risks and benefits of using this medicine while breastfeeding.
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How to Read This adapalene vs imiquimod Comparison
adapalene is classified in the Retinoid (Topical) drug class, while imiquimod sits within the Immune Response Modifier (Topical) 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 imiquimod has 689. 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 imiquimod - 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.