Compare Amoxicillin vs. Duac

Head-to-head comparisons of medication uses, side effects, ratings, and more.

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(Clindamycin / Benzoyl Peroxide)

Treats bacterial infections. Amoxil (Amoxicillin) is a good and cheap antibiotic to treat many types of bacterial infections. However, many bacteria are resistant to this medication.Coming soon.
How it works
Amoxil (Amoxicillin) is an antibiotic. It kills bacteria and prevents them from reproducing and making their own protective covering.Coming soon.
Type of medication
Prescription only
Coming soon.
Available as
  • Pill
  • Chewable tablet
  • Liquid
  • Cream, gel, or ointment
Used for (click to learn more)
  • Acne vulgaris
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Reviews & ratings
Button Group. All currently active
Button Group. All currently active
Reviews for Amoxil (Amoxicillin)
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Side effects

The Amoxicillin FDA package insert doesn’t have numbers about how common side effects are.

More about Amoxicillin side effects »

We haven’t found good data for Duac side effects.

FDA side effect reports for Duac »
Risk factors for serious side effects
  • Long antibiotic treatment period
  • History of penicillin allergies
  • Using oral birth control pills
    Detailed Amoxil (Amoxicillin) risks & warnings »
    Coming soon.
    Pregnancy category
    BFDA pregnancy category (Probably safe)

    Research studies with animals haven’t found a risk to unborn babies, but it hasn’t been properly studied in humans.

    See the FDA package insert
    CFDA pregnancy category (Weigh risks vs. benefits)

    Research studies with animals found harmful effects on unborn babies. It hasn’t been properly studied in humans. The benefits might outweigh the risks even if you’re pregnant. Talk with your doctor.

    See the FDA package insert
    No specific alcohol-related info.No specific alcohol-related info.
    • Take with food to decrease upsetting your stomach (nausea, vomiting).
    No specific food-related info.
    Kidneys and liver
    No specific kidneys and liver-related info.No specific kidneys and liver-related info.
    No specific sex-related info.No specific sex-related info.
    No specific sleep-related info.No specific sleep-related info.
    No specific weight-related info.No specific weight-related info.
    Upsides and benefits
    • Available in generic.
    • Available in different forms: tablet, capsule, and suspension.
    • Used to treat many types of bacterial infections.
    Coming soon.
    Downsides and risks
    • Suspension must be stored in the fridge.
    • Can make birth control pills and live vaccines less effective.
    • Many bacteria have developed resistance to this antibiotic.
    • Can cause diarrhea.
    Coming soon.
    Tips from our pharmacists for people taking the medication
    • Finish all of the medicine your doctor gives you, even if you start to feel better. Stopping it early can cause the bacteria to develop resistance, making the medicine ineffective.
    • If you're taking birth control pills, this medication may make them less effective.
    • Take with food to decrease upsetting your stomach (nausea, vomiting).
    • If you're giving the suspension, you can mix it with a cold drink, but make sure to take it right away.
    • Keep the suspension form in the fridge. All other forms should be kept at room temperature.
    • You may have loose stool when taking this medicine, but it should get better soon after finishing the course. If the diarrhea worsens, tell your doctor.
    Coming soon.
    Learn more
    More about AmoxicillinSide effectsReviews & ratingsAlternativesFDA package insert
    More about DuacSide effectsFDA package insert