Zymar (Gatifloxacin) Shopper Approved

Prescription Prescription Required FormationFormulation: Eye drops


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Prescription Prescription Required FormationFormulation: Eye drops


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Zymar is an antibiotic eye medication used to treat bacterial infections of the eyes. It is a sterile eye drop used to treat bacterial eye infections such as conjunctivitis (pink eye) and corneal ulcers. It contains an active ingredient called Gatifloxacin. Gatifloxacin belongs to the fluoroquinolone class of antibiotics.

Gatifloxacin works by inhibiting DNA gyrase and topoisomerase IV, which are enzymes that help in replication, transcription, and repair of bacterial DNA. By inhibiting these enzymes, Zymar prevents the bacteria from multiplying and kills them off, thus treating the infection.

Use and Dosage

Zymar is administered as eye drops and should be instilled into the eyes every two hours while awake for two days (up to eight times daily), followed by two to four instillations per day for five days. Use Zymar eye drops at consistent times each day, following the directions on your prescription label carefully.

To use the Zymar eye drops:

  1. Wash your hands before using the medication.
  2. Tilt your head back and look at the ceiling.
  3. Gently pull down the lower eyelid, creating a small pocket.
  4. Turn the bottle upside down and gently apply one drop into the affected eye.
  5. Let go of the lower lid and close your eyes for half a minute.

Use Zymar Eye drops exactly as prescribed by your doctor. If you miss a dose, take it as soon as possible and continue with your regular schedule. If it is almost time for your next dose, skip the missed dose and continue with your regular dosing schedule. Do not instill a double dose to make up for a missed one. If you are not sure what to do after missing a dose, contact your doctor or pharmacist for advice.

Side Effects

Common Side Effects of Zymar (Gatifloxacin):

  • Bad or unpleasant taste in your mouth after using the drops
  • Blurred vision
  • Eye itching/burning/irritation/pain/ dryness/redness
  • Headache
  • Headache
  • Puffy eyelids
  • Watery eyes

Serious Side Effects of Zymar (Gatifloxacin):

  • Persistent eye redness
  • Signs of a serious skin reaction (such as skin rash; red skin; blistering of the lips, eyes, or mouth; skin peeling; fever; or joint pain)
  • Signs of an allergic reaction such as skin itching, rash, redness, swelling, or hives
  • Swelling of the eye or eyelid
  • Vision loss

Forms and Strength

Zymar (Gatifloxacin) is available in the following forms and strength:

Zymar: Eye drops

  • 0.30%


  • Allergic reactions: Individuals who are allergic to gatifloxacin or other fluoroquinolone antibiotics should not use Zymar.
  • Eye Problems: Zymar may cause eye irritation, inflammation, or itching. If these symptoms persist, consult a doctor immediately.
  • Tendon Rupture: Fluoroquinolone antibiotics, including Zymar, have been associated with the risk of tendon rupture. This risk is higher in adults over 60 years of age, in those who have had a kidney, heart or lung transplant.
  • Photosensitivity: Zymar may make you more sensitive to light, particularly sunlight. Contact your doctor if you notice any unusual sensitivity to light while taking Zymar.
  • Pregnancy and breastfeeding: The safety of Zymar during pregnancy and breastfeeding has not been established. Consult a doctor before using it if you are pregnant or breastfeeding.
  • Interaction with other medications: Some medications may interact with Zymar, inform the doctor of all medications you are taking before using Zymar.
  • Contact lenses: Zymar may cause discoloration of contact lenses. Contact lenses should be removed prior to using Zymar and should not be reinserted for at least 15 minutes after use.
  • Use in children: The safety and effectiveness of Zymar in children have not been established. Therefore, the use of Zymar in children should be carefully monitored by a doctor.
  • Overdose: If large amounts of Zymar are accidentally ingested or used, seek medical help immediately.

Frequently Asked Questions (FAQ)

Can Zymar be used for viral eye infections?

No, Zymar is an antibiotic eye drop and is only effective against bacterial eye infections. It will not work for viral eye infections.

How long Zymar should be used for?

The duration of treatment with Zymar depends on the type and severity of the infection and is determined by the prescribing doctor. Continue using Zymar for the entire prescribed period to ensure the infection is fully treated.

Can I wear contact lenses while using Zymar?

Contact lenses should be removed before using Zymar and should not be reinserted for at least 15 minutes after use. Zymar may cause discoloration of contact lenses.

Can Zymar be used in children?

Zymar has not been adequately studied in children, so its use in children should be carefully monitored by a doctor.


Additional information

Generic name:



Eye drops



Quantities Available:

5mL, 10mL


Additional Information Book

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Online Pharmacies Canada has provided information from third parties intended to increase awareness and does not contain all the information about Zymar (Gatifloxacin). Talk to your doctor or other qualified medical practitioners for medical attention or advice, or if you have any concerns about Zymar (Gatifloxacin).