This medication is used before eye examinations (such as refraction exams). It belongs to a class of drugs known as anticholinergics. Cyclopentolate works by temporarily widening (dilating) the pupil of the eye and relaxing the muscles of the eye.
How to use Cyclopentolate HCL Drops
Use this medication in the eye as directed by your doctor, usually 40 to 50 minutes before the procedure. The dose may need to be repeated in 5 to 10 minutes. This medication is for use in the eye only. Do not take by mouth or inject.
To apply eye drops, wash your hands first. To avoid contamination, do not touch the dropper tip or let it touch your eye or any other surface. If you are wearing contact lenses, remove them before using eye drops. Ask your doctor when you can start wearing them again. If you are using another kind of eye medication (such as drops or ointments), ask your doctor when you should start using them again.
Tilt your head back, look upward, and pull down the lower eyelid to make a pouch. Hold the dropper directly over your eye and place 1 drop into the pouch. Look downward and gently close your eyes for 1 to 2 minutes. Place one finger at the corner of your eye (near the nose) and apply gentle pressure for 2 to 3 minutes. This will prevent the medication from draining away from the eye and reduce side effects. Try not to blink and do not rub your eye. Repeat these steps if your dose is for more than 1 drop or for your other eye if so directed.
Do not rinse the dropper. Replace cap after use.
This medication starts to work in minutes, and its effect usually lasts 24 hours or sometimes longer. Tell your doctor if you continue to have blurred vision, sensitivity to light, or dilated pupils several days after your exam.
Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Get medical help right away if you have any very serious side effects, including: eye pain/swelling, vision changes (such as seeing rainbows around lights at night), slow/shallow breathing, fast/irregular heartbeat, seizures.
A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Before using cyclopentolate, tell your doctor or pharmacist if you are allergic to it; or to belladonna alkaloids (such as atropine); or if you have any other allergies. This product may contain inactive ingredients (such as preservatives like benzalkonium chloride), which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: personal or family history of glaucoma (angle-closure type), Down's syndrome, brain damage or spastic paralysis (in children), heart disease.
After you apply this drug, your vision may become temporarily blurred. Do not drive, use machinery, or do any activity that requires clear vision until you can do it safely.
Infants or small children may be more sensitive to the side effects of this drug, especially mental/mood changes. If using this medication in an infant, watch the infant closely for 30 minutes after the medication is applied.
Older adults may be more sensitive to side effects of this drug, especially increased pressure in the eye.
During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.
It is unknown if this drug passes into breast milk. Consult your doctor before breast-feeding.
Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.
This medicine may be harmful if swallowed. If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center. Symptoms of overdose may include: flushed/dry skin, blurred vision, fast/irregular heartbeat, fever, mental/mood changes (such as hallucinations), loss of coordination.
Do not share this medication with others.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.
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CONDITIONS OF USE: The information in this database is intended to supplement, not substitute for, the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment.