Phenylephrine - ophthalmic
Phenylephrine - ophthalmic
This medication is used to dilate the pupils for eye examinations or procedures, and to treat certain eye conditions. It belongs to a class of drugs known as decongestants. Phenylephrine works by narrowing blood vessels.
To apply eye drops, wash 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. Wait at least 15 minutes before replacing your contact lenses. 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 one drop into the pouch. Use as often as directed by your doctor. Look downward, gently close your eyes, and place one finger at the corner of your eye (near the nose). Apply gentle pressure for 1 to 2 minutes before opening your eyes. This will prevent the medication from draining out. Try not to blink or rub your eye. Repeat these steps if your dose is for more than one drop. If directed to use this medication in both eyes, repeat these steps for your other eye. Wait several minutes for your vision to clear before driving or operating machinery. Do not rinse the dropper. Replace the dropper cap after each use.
If you are using another kind of eye medication (such as drops or ointments), wait at least 10 minutes before applying other medications. Use eye drops before eye ointments to allow the drops to enter the eye.
Use this medication as prescribed to get the most benefit from it.
Tell your doctor if your condition persists or worsens.
Burning or stinging, headache, sensitivity to light, or blurred vision may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
Tell your doctor right away if you have any serious side effects, including:
In the US -
Before using phenylephrine, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients (such as sulfites found in some brands), 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:
This medication may cause blurred vision. Do not drive, use machinery, or do any activity that requires clear vision until you are sure you can perform such activities safely.
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.
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.
Do not share this medication with others.
If you miss a dose, use it as soon as you remember. If it is near the time of the next dose, skip the missed dose. Use your next dose at the regular time. Do not double the dose to catch up.
Store in the refrigerator or at room temperature away from light. Different brands of this medication have different storage needs. Check the product package for instructions on how to store your brand. Do not store in the bathroom. Keep all medications away from children and pets.
Information last revised June 2018.
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