Ciprofloxacin (ophthalmic) — Fluoroquinolone ophthalmic antibacterial. Study the mechanism, listed uses and warnings from the US label on one sourced card.
Generic name
Ciprofloxacin (ophthalmic)
Class
Fluoroquinolone ophthalmic antibacterial
Mechanism
Interferes with bacterial DNA gyrase, an enzyme needed for bacterial DNA synthesis.
Used for
Corneal ulcers caused by the listed susceptible organisms; Bacterial conjunctivitis caused by the listed susceptible organisms
Common side effects
Local burning / discomfort; White crystalline precipitates; Lid margin crusting; Foreign body sensation; Itching
Warnings
Not for injection into the eye; Serious, occasionally fatal anaphylaxis has been reported with systemic quinolones; hypersensitivity history requires attention; Remove contact lenses before use
Brand questions use only name pairings verified against the linked product source. Unverified pairings are withheld from these questions; the other study content remains available.
Label date: 20260712 · For learning, not clinical decisions. US label and brand information; always consult the current source.
Source snapshot checked: 2026-10-21. The source document and selected fields were compared. The complete card has not had an independent clinical review.
Mechanism: Quinolone antimicrobial active against susceptible gram-positive and gram-negative bacteria causing eye infections.
On both cards: Common side effects — Itching · Interactions — Theophylline (systemic quinolones); Warfarin (systemic quinolones)
Only on the Ofloxacin (ophthalmic) card: Used for — Bacterial conjunctivitis caused by listed susceptible organisms; safety and effectiveness below age 1 are not established; Bacterial corneal ulcers caused by listed susceptible organisms; safety and effectiveness below age 1 are not established · Common side effects — Transient ocular burning / discomfort; Stinging; Redness; Photophobia · Warnings — Hypersensitivity to quinolones (contraindicated) · Interactions — Caffeine (systemic quinolones)
Mechanism: Topical fluoroquinolone anti-infective active against susceptible conjunctival pathogens.
On both cards: Used for — Bacterial conjunctivitis caused by the listed susceptible organisms
Only on the Moxifloxacin (ophthalmic) card: Common side effects — Conjunctivitis; Decreased visual acuity; Dry eye; Ocular discomfort / pain; Ocular hyperemia · Warnings — Stop use for an allergic reaction; serious anaphylaxis has been reported with systemic quinolones, including moxifloxacin; Prolonged use may cause overgrowth of non-susceptible organisms; Avoid contact lenses when signs or symptoms of bacterial conjunctivitis are present
Mechanism: Inhibits bacterial DNA gyrase (topoisomerase II) and topoisomerase IV, disrupting processes required for bacterial DNA replication and maintenance.
Only on the Ciprofloxacin card: Used for — UTIs due to specified susceptible bacteria in adults, and selected complicated UTI/pyelonephritis in children aged 1–17; acute uncomplicated cystitis use is reserved for patients without alternatives; Specified susceptible lower-respiratory infections in adults; acute chronic-bronchitis exacerbation use is reserved for patients without alternatives; Specified susceptible skin, bone and joint infections in adults; Post-exposure inhalational anthrax and source-specified plague treatment/prevention in adults and children · Common side effects — Nausea; Diarrhea; Abnormal liver function tests; Vomiting; Rash · Warnings — QT prolongation; Hepatotoxicity; C. difficile-associated diarrhea · Interactions — Tizanidine (contraindicated); Theophylline; Other CYP1A2 substrates
An item counts as shared only when both cards use the same wording. If a card does not list an item, that is not a statement that the effect never occurs.