Compare AzaSite vs. Tobrex

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


AzaSite (azithromycin)

Prescription only

Tobrex (Tobramycin)

Prescription only
Treats pink eye.

AzaSite (azithromycin) effectively treats pink eye and requires you to place less drops into your eye compared to similar medications, but it can be expensive.

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  • Less frequent applications make AzaSite (azithromycin) more convenient to use than similar medicines.
  • Since you apply AzaSite (azithromycin) directly to the eye(s), there are minimal systemic side effects.
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  • AzaSite (azithromycin) is not available as a generic and costs significantly more than similar medicines.
  • Directly applying AzaSite (azithromycin) to the eyes can irritate them.
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Used for
  • Eye infection
  • External
Dosage forms
  • Eye drops
  • Eye cream, gel, or ointment
  • Eye drops
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Side effects
1possible side effects
  • Eye irritation
See more detailed side effects
The Tobrex (Tobramycin) FDA package insert doesn’t have numbers about how common side effects are.
Risks and risk factors
  • Allergy to ingredients
    • Allergies to systemic azithromycin.
  • Risk for eye infection
  • Not to be used with contact lenses
  • For use topically in the eyes only
  • New infection
    • Prolonged use
See more detailed risks and warnings
No information currently available