Evidence Health
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Azithromycin Monohydrate

Also sold as AZASITE

Medicine summary · from official FDA labels · Oct 19, 2026

2 recalls on record — a recall affects specific batches; check with your pharmacist.

What it’s used for

AzaSite ® is indicated for the treatment of bacterial conjunctivitis caused by susceptible isolates of the following microorganisms: CDC coryneform group G Efficacy for this organism was studied in fewer than 10 infections. Haemophilus influenzae Staphylococcus aureus Streptococcus mitis group Streptococcus pneumoniae AzaSite is a macrolide antimicrobial indicated for the treatment of bacterial conjunctivitis caused by susceptible isolates of the following microorganisms: CDC coryneform group G, Haemophilus influenzae, Staphylococcus aureus, Streptococcus mitis group, and Streptococcus pneumoniae.

How to take it

The recommended dosage regimen for the treatment of bacterial conjunctivitis is: Instill 1 drop in the affected eye(s) twice daily, eight to twelve hours apart for the first two days and then instill 1 drop in the affected eye(s) once daily for the next five days. Instill 1 drop in the affected eye(s) twice daily, eight to twelve hours apart for the first two days and then instill 1 drop in the affected eye(s) once daily for the next five days.

Important warnings

For topical ophthalmic use only. ( 5.

Common side effects

Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in one clinical trial of a drug cannot be directly compared with the rates in the clinical trials of the same or another drug and may not reflect the rates observed in practice. The data described below reflect exposure to AzaSite in 698 patients.

If pregnant or breastfeeding

8.

Forms & strengths

250 MG Oral Capsule · 40 MG/ML Oral Suspension · 500 MG Injection · 600 MG Oral Tablet · 500 MG Oral Tablet · 20 MG/ML Oral Suspension · 250 MG Oral Tablet · 33.3 MG/ML Oral Suspension · 10 MG/ML Ophthalmic Solution · 1000 MG Oral Suspension

Questions to ask your doctor or pharmacist

  • Is this the right medicine for my condition, and how long should I take it?
  • What side effects should I watch for, and which need urgent attention?
  • Does this interact with my other medicines, supplements, or alcohol?
  • What should I do if I miss a dose or take too much?