The medicine Proparacaine Hydrochloride (HCl) is a local anesthetic used to prevent pain during eye exams or eye surgery. It is commonly sold under the brand name Alcaine in the form of liquid eye drops. It may also be used to alleviate pain after laser eye surgery and other treatments to the eyes. This topical ophthalmic anesthetic is also used for short term relief from corneal burns and corneal abrasions.
Proparacaine HCl begins working within 30 seconds and lasts for a duration of 10 to 15 minutes. The drug actions is a rapid, brief superficial block of sensory nerve impulses to the eye. Drops are placed directly on the eye. Adults require 1 to 3 drops and a pediatric dose is 1 to 2 drops.
This medicine is usually administered at a doctor's office, hospital, or clinic and is used only for treatment purposes for short durations. The medication should be stored l in the refrigerator between 36 and 46 degrees F (or 2 to 8 degrees C).
Possible side effects of include burning, stinging, redness, or other mild eye irritation. Severe side effects such as excessive eye watering, itching, pain, redness, or swelling of eye or eyelid should be reported to a doctor immediately.
Pregnant and nursing women should not use this medication as it is not known if this medication is excreted in the breast milk. This medication should not be ingested. Symptoms of overdose include drowsiness, trouble breathing, blurred vision, dizziness, nausea, vomiting, nervousness, irregular heartbeat, and abnormal tiredness or weakness.