What is Acular Ls: Uses, Warnings & Interactions

Updated May 14, 2025  •  Published Dec 30, 2020

Acular Ls overview

BRAND NAMES:

  • Acular, Acular LS, Acuvail, Acuvail

Generic Names:

  • Ketorolac Tromethamine

Uses:

  • Treats eye itching caused by allergies. Also treats pain, burning, and inflammation after cataract surgery or corneal refractive surgery. This medicine is an NSAID.

Therapeutic Classes:

  • Ophthalmologic Agent

Forms:

  • Liquid, Drop

How it’s taken:

  • Into the eye

What is Acular Ls used for?

What form(s) does Acular Ls come in

  • Liquid

  • Drop

What are common Acular Ls doses?

  • Bottle 5ML of 0.4%

Common Acular Ls prescriptions

  • Acular LS
    5ml of 0.4% bottle

How to take Acular Ls

  • Your caregiver will tell you how and when to use this medicine.

  • Ophthalmic routeWash your hands with soap and water before and after using this medicine.

  • Ophthalmic routeLie down or tilt your head back. With your index finger, pull down the lower lid of your eye to form a pocket.

  • Ophthalmic routeTo use the eye drops: Hold the dropper close to your eye with the other hand. Drop the correct number of drops into the pocket made between your lower lid and eyeball. Gently close your eyes. Place your index finger over the inner corner of your eye for 1 minute. Do not rinse or wipe the dropper or allow it to touch anything, including your eye. Put the cap on the bottle right away. Keep the bottle upright when you are not using it.

  • After you put the drops in your eyes, you must wait at least 5 minutes before you use any other eye medicine.

  • After eye surgery: Use a separate bottle of medicine for each eye. You could spread an infection from one eye to the other if you use the same bottle for both eyes.

  • Do not use this medicine while you are wearing contact lenses.

  • Missed dose: Topical application routeApply a dose as soon as you can. If it is almost time for your next dose, wait until then and apply a regular dose. Do not apply extra medicine to make up for a missed dose.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

  • After you put the drops in your eyes, you must wait at least 5 minutes before you use any other eye medicine.

  • Ophthalmic routeWash your hands with soap and water before and after using this medicine.

  • Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.

  • Your caregiver will tell you how and when to use this medicine.

  • Missed dose: Topical application routeApply a dose as soon as you can. If it is almost time for your next dose, wait until then and apply a regular dose. Do not apply extra medicine to make up for a missed dose.

  • Ophthalmic routeTo use the eye drops: Hold the dropper close to your eye with the other hand. Drop the correct number of drops into the pocket made between your lower lid and eyeball. Gently close your eyes. Place your index finger over the inner corner of your eye for 1 minute. Do not rinse or wipe the dropper or allow it to touch anything, including your eye. Put the cap on the bottle right away. Keep the bottle upright when you are not using it.

  • Do not use this medicine while you are wearing contact lenses.

  • Ophthalmic routeLie down or tilt your head back. With your index finger, pull down the lower lid of your eye to form a pocket.

  • After eye surgery: Use a separate bottle of medicine for each eye. You could spread an infection from one eye to the other if you use the same bottle for both eyes.

What to do if you miss a dose of Acular Ls

Acular Ls contraindications

  • This medicine is not right for everyone. Do not use it if you had an allergic reaction to ketorolac.

Acular Ls warnings

  • This medicine may increase the risk of keratitis or other problems with the surface of the eye (the cornea).

  • This medicine might slow or delay healing.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

  • Ophthalmic routeIf you hurt your eye, develop an eye infection, or need to have eye surgery, talk with your doctor right away. You may need to change your medicine or stop using it.

  • Tell your doctor if you are pregnant. Do not use this medicine during the later part of a pregnancy, unless your doctor tells you to.

  • Tell your doctor if you are breastfeeding or if you have a history of asthma or an allergic reaction to aspirin or other NSAID pain medicine. Also tell your doctor if you have a bleeding disorder, diabetes, or rheumatoid arthritis. Tell your doctor about any eye problems or surgery you have had (such as corneal problems or dry eye syndrome).

Acular Ls interactions

  • Some foods and medicines can affect how ketorolac works. Tell your doctor if you are using a steroid eye medicine or a blood thinner (including warfarin).

  • Tell your doctor if you are breastfeeding or if you have a history of asthma or an allergic reaction to aspirin or other NSAID pain medicine. Also tell your doctor if you have a bleeding disorder, diabetes, or rheumatoid arthritis. Tell your doctor about any eye problems or surgery you have had (such as corneal problems or dry eye syndrome).

  • This medicine might slow or delay healing.

  • This medicine may increase the risk of keratitis or other problems with the surface of the eye (the cornea).

  • Ophthalmic routeIf you hurt your eye, develop an eye infection, or need to have eye surgery, talk with your doctor right away. You may need to change your medicine or stop using it.

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

Acular Ls side effects

Serious Side Effects

  • Blurred vision, light sensitivity, pain, watery eyes

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

Less Serious Side Effects

  • Mild burning or stinging in the eyes

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