Compare azithromycin vs. Avelox

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

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Zithromax (azithromycin)

Prescription only

Avelox (moxifloxacin)

Prescription only
Treats bacterial infections.

Zithromax (azithromycin) is good for treating many bacterial infections and is available in generic form. However, it may cause headache, dizziness, or rash.

4.0/ 5 average rating with 909 reviewsforazithromycin
Treats bacterial infections.

Avelox (moxifloxacin) effectively treats different types of bacterial infections, but is more expensive than its alternatives.

Upsides
  • Available as a generic in the tablet and suspension form.
  • The suspension can be used if you have problems swallowing.
  • Used to treat many types of bacterial infections.
  • Bacteria is less resistant to this antibiotic, meaning that Zithromax (azithromycin) will fight off the bacteria better. Your doctor may run tests to see which antibiotics will kill the bacteria causing your infection.
  • Immediate release form can be taken with or without food.
  • Available as a generic medicine.
  • Treats a variety of bacterial infections.
  • Can be taken with or without food.
  • Might be a good treatment option for people with kidney problems.
  • Needs to be taken only once a day.
Downsides
  • Must space out antacids by at least 2 hours.
  • Use with caution if you have liver disease.
  • Must be used with caution if you are on medications to thin the blood (anticoagulants) because of increased risk of bleeding.
  • People with diabetes need to check their blood sugar levels regularly while taking Avelox (moxifloxacin).
  • Cannot be taken at the same time as antacids or vitamins.
  • Avelox (moxifloxacin) can increase your skin's sensitivity to sunlight and make you more likely to get a rash.
  • Relatively more expensive compared to similar alternatives.
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Used for
Dosage forms
  • Pill
  • Liquid
  • Extended-release liquid
  • Pill
Price
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Reviews
909 reviews so far
74%
saidit'sworth it
59%
saiditworked well
11%
saidit'sa big hassle

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Side effects
3possible side effects
  • Vomiting
    5%
  • Diarrhea
    4%
  • Abdominal pain
    2%
See more detailed side effects
8possible side effects
  • Nausea
    7%
  • Diarrhea
    6%
  • Headache
    4%
  • Dizziness
    3%
  • Vomiting
    2%
  • Constipation
    2%
  • Stomach pain
    2%
  • Insomnia
    2%
See more detailed side effects
Risks and risk factors
  • Diarrhea caused by bacteria (Clostridium difficile)
  • Liver damage
    • History of liver disease
  • Myasthenia gravis
    • Myasthenia gravis
  • Serious allergic reaction
  • Abnormal heartbeat
    • QT prolongation
    • Arrhythmia
    • Drugs that cause prolonged QT interval
    • Abnormal electrolytes
    • Elderly
See more detailed risks and warnings
  • Tendon rupture and inflammation
    • People over age 60
    • Taking steroid medicine
    • Those with kidney, heart, or lung transplants
  • Myasthenia gravis
    • Those with a history of myasthenia gravis
  • Diarrhea
  • Nerve damage
  • Changes in mood and behavior
  • Effects on heartbeat
    • Those with a history of heart rhythm problems
    • Taking other medicines that also affect your heart rhythm
    • Those with liver problems
See more detailed risks and warnings