Acular LS Ophthalmic Solution is a pain-relieving medicine. It is used after eye surgery to treat pain and inflammation. It may also be used for other conditions such as seasonal allergies. This medicine is used generally for short-term treatment only. Acular LS Ophthalmic Solution should be used in the dose and duration as advised by your doctor. Wash your hands thoroughly with soap and water to avoid contamination. Hold the dropper close to the eye without touching it. Gently squeeze the dropper and place the medicine inside the lower eyelid. The dropper tip should not come in direct contact with the affected area as there are chances of infection. Wipe off extra liquid. This medicine is generally safe to use with minimal side effects. However, it may cause a stinging and burning sensation immediately after installation. However, these are temporary and usually resolve on their own. If they d not go away or get worse, consult your doctor.