Compare Azithromycin vs. Duac

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


(Clindamycin / Benzoyl Peroxide)

Kills bacteria. Zithromax (Azithromycin) is good for treating many bacterial infections. It is also available as generic. Talk to your doctor if you've ever had liver disease, myasthenia gravis, or on medications to thin the blood, as the doctor may write an alternative.Coming soon.
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Reviews & ratings
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Reviews for Zithromax (Azithromycin)
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905 reviews

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Side effects

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

More about Azithromycin side effects »

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

FDA side effect reports for Duac »
How it works
Zithromax (Azithromycin) is an antibiotic. It kills bacteria by preventing them from reproducing and repairing themselves.Coming soon.
Type of medication
Prescription only
Coming soon.
Available as
  • Pill
  • Liquid
  • Eye drops
  • Cream, gel, or ointment
Used for (click to learn more)
  • Acne vulgaris
Risk factors for serious side effects
      • History of liver disease
      • History of myasthenia gravis
      Detailed Zithromax (Azithromycin) 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.
      • Can be taken with or without food.
      • Can take with or without food.
      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.
      • Less resistance seen in bacteria to this antibiotic. Your doctor may run tests to see which antibiotics will kill the bacteria causing your infection.
      • Can be taken with or without food.
      Coming soon.
      Downsides and risks
      • Must space out antacids by at least 2 hours.
      • Has to be used with caution in people who've had liver disease.
      • Can't be used in people who've had myasthenia gravis.
      • Must be used with caution in people who are on medications to thin the blood (anticoagulants) because of increased risk of bleeding.
      • Can cause abdominal pain, diarrhea, vomiting, and nausea.
      Coming soon.
      Tips from our pharmacists for people taking the medication
      • Take the medication exactly how your doctor tells you to.
      • Can cause diarrhea, nausea or vomiting.
      • Space out any antacids with magnesium or aluminum by at least 2 hours.
      • Can take with or without food.
      Coming soon.
      Learn more
      More about AzithromycinSide effectsReviews & ratingsAlternativesFDA package insert
      More about DuacSide effectsFDA package insert