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. 1999 Jun;43(6):1441–1444. doi: 10.1128/aac.43.6.1441

TABLE 3.

Adverse events reported by patients

Symptom and severity No. of subjects reporting event
Azithromycin Ciprofloxacin
Nausea or vomiting
 Milda 4 4
 Moderateb 2 0
Lightheadedness
 Mild 2 2
 Moderate 0 0
Dry throat or mouth
 Mild 2 4
 Moderate 1 0
Loose stools
 Mild 0 3
 Moderate 3 0
Constipation
 Mild 2 1
 Moderate 0 1
a

Mild indicates no change in lifestyle. 

b

Moderate indicates a change in lifestyle that did not require treatment.