Medication Guide App

Gentak drops

Generic Name: gentamicin (jen-ta-MYE-sin)
Brand Name: Examples include Gentasol and Gentak

Gentak drops is used for:

Treating surface eye infections caused by certain bacteria. It may also be used for other conditions as determined by your doctor.

Gentak drops is a topical antibiotic. It works by slowing the growth of, or killing, sensitive bacteria.

Do NOT use Gentak drops if:

  • you are allergic to any ingredient in Gentak drops

Contact your doctor or health care provider right away if any of these apply to you.

Slideshow: 2014 Update - First Time Brand-to-Generic Switches

Before using Gentak drops:

Tell your health care provider if you have any medical conditions, especially if any of the following apply to you:

  • if you are pregnant, planning to become pregnant, or are breast-feeding
  • if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
  • if you have allergies to medicines, foods, or other substances

Some MEDICINES MAY INTERACT with Gentak drops. Because little, if any, of Gentak drops is absorbed into the blood, the risk of it interacting with another medicine is low.

Ask your health care provider if Gentak drops may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.

How to use Gentak drops:

Use Gentak drops as directed by your doctor. Check the label on the medicine for exact dosing instructions.

  • Gentak drops is for use in the eye. Avoid contact with other mucous membranes.
  • Soft contact lenses may absorb a chemical in Gentak drops. Do not wear contact lenses while you are using Gentak drops. Take care of your contact lenses as directed by the manufacturer. Check with your doctor before you use them.
  • To use Gentak drops in the eye, first, wash your hands. Tilt your head back. Using your index finger, pull the lower eyelid away from the eye to form a pouch. Drop the medicine into the pouch and gently close your eyes. Immediately use your finger to apply pressure to the inside corner of the eyelid for 1 to 2 minutes. Do not blink. Remove excess medicine around your eye with a clean, dry tissue, being careful not to touch your eye. Wash your hands to remove any medicine that may be on them.
  • To prevent germs from contaminating your medicine, do not touch the applicator tip to any surface, including the eye. Keep the container tightly closed.
  • To clear up your infection completely, use Gentak drops for the full course of treatment. Keep using it even if you feel better in a few days.
  • Using Gentak drops at the same times each day will help you to remember to use it.
  • If you miss a dose of Gentak drops, use it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not use 2 doses at once.

Ask your health care provider any questions you may have about how to use Gentak drops.

Important safety information:

  • Gentak drops may cause blurred vision. Use Gentak drops with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
  • Gentak drops may cause harm if it is swallowed. If you may have taken it by mouth, contact your poison control center or emergency room right away.
  • Be sure to use Gentak drops for the full course of treatment. If you do not, the medicine may not clear up your infection completely. The bacteria could also become less sensitive to this or other medicines. This could make the infection harder to treat in the future.
  • Long-term or repeated use of Gentak drops may cause a second infection. Tell your doctor if signs of a second infection occur. Your medicine may need to be changed to treat this.
  • Do not use Gentak drops for future eye problems without checking with your doctor.
  • PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Gentak drops while you are pregnant. If you are or will be breast-feeding while you use Gentak drops, check with your doctor. Discuss any possible risks to your baby.

Possible side effects of Gentak drops:

All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:

Bloodshot eye; burning or stinging of the eye.

Seek medical attention right away if any of these SEVERE side effects occur:

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); delayed healing of the cornea; hallucinations; redness, itching or swelling of the eyelids; ulcers of the cornea.

This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.

If OVERDOSE is suspected:

Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately.

Proper storage of Gentak drops:

Store Gentak drops at 77 degrees F (25 degrees C). Brief storage at temperatures between 59 and 86 degrees F (15 and 30 degrees C) is permitted. Store away from heat, light, and moisture. Do not freeze. Keep Gentak drops out of the reach of children and away from pets.

General information:

  • If you have any questions about Gentak drops, please talk with your doctor, pharmacist, or other health care provider.
  • Gentak drops is to be used only by the patient for whom it is prescribed. Do not share it with other people.
  • If your symptoms do not improve or if they become worse, check with your doctor.
  • Check with your pharmacist about how to dispose of unused medicine.

This information should not be used to decide whether or not to take Gentak drops or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about Gentak drops. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to Gentak drops. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using Gentak drops.

Issue Date: November 5, 2014
Database Edition 14.4.1.002
Copyright © 2014 Wolters Kluwer Health, Inc.

Disclaimer: This information should not be used to decide whether or not to take this medicine or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using this medicine.

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