Moxifloxacin 0.5% with Ketorolac 0.3% eye drops are a combination medication used to treat bacterial eye infections and reduce inflammation and pain in the eyes.

Mechanism of Action:

1. *Moxifloxacin*: It is a fluoroquinolone antibiotic that works by inhibiting bacterial DNA gyrase and topoisomerase IV, thus interfering with bacterial DNA replication, transcription, repair, and recombination.
2. *Ketorolac*: It is a nonsteroidal anti-inflammatory drug (NSAID) that inhibits the enzyme cyclooxygenase, thereby reducing the production of prostaglandins and decreasing inflammation and pain.

Uses and Indications:

1. *Bacterial Eye Infections*: Loteprednol component helps reduce inflammation associated with conditions like allergic conjunctivitis, uveitis, and keratitis.
2. *Inflammation and Pain:*: Ketorolac component reduces inflammation and pain associated with the infection or other eye conditions, such as postoperative inflammation.

Side Effects: Common side effects may include:

1. Eye irritation or burning sensation
2. Blurred vision
3. Redness or itching of the eye
4. Increased sensitivity to light
5. Eye discharge

Less common but more serious side effects may include:
Allergic reactions such as rash, itching, swelling of the face, tongue, or throat, severe dizziness, trouble breathing

Dosage:

The usual dosage is one to two drops in the affected eye(s) every 4 to 6 hours for up to 7 days, as directed by your doctor. It's essential to follow your doctor's instructions regarding the dosage and duration of treatment.