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Neo-Synephrine Patient Information including How Should I Take
In this Article
- What is phenylephrine ophthalmic (Neo-Synephrine)?
- What are the possible side effects of phenylephrine ophthalmic?
- What is the most important information I should know about phenylephrine ophthalmic?
- What should I discuss with my healthcare provider before using phenylephrine ophthalmic?
- How should I use phenylephrine ophthalmic?
- What happens if I miss a dose?
- What happens if I overdose?
- What should I avoid while using phenylephrine ophthalmic?
- What other drugs will affect phenylephrine ophthalmic?
- Where can I get more information?
What should I discuss with my healthcare provider before using phenylephrine ophthalmic?
Do not use phenylephrine ophthalmic if you have glaucoma, except under the supervision of your doctor.
Do not use phenylephrine ophthalmic after eye surgery, if you have an eye infection, if you have an eye injury, or if you have a problem with the normal tearing of your eyes without the approval and direction of your doctor. Using phenylephrine ophthalmic under these circumstances could lead to absorption of the drug by the body, and side effects could affect the heart.
Before using this medication, tell your doctor if you
- have any type of heart condition, including high blood pressure;
- take any medicines to treat a heart condition;
- have asthma;
- have diabetes; or
- have thyroid problems.
You may not be able to use phenylephrine ophthalmic, or you may require a dosage adjustment or special monitoring during treatment if you have any of the conditions listed above.
Phenylephrine ophthalmic is in the FDA pregnancy category C. This means that it is not known whether phenylephrine ophthalmic will be harmful to an unborn baby. Do not use this medication without first talking to your doctor if you are pregnant or could become pregnant during treatment.
It is not known whether phenylephrine ophthalmic passes into breast milk. Do not use phenylephrine ophthalmic without first talking to your doctor if you are breast-feeding a baby.
How should I use phenylephrine ophthalmic?
Use phenylephrine eyedrops exactly as directed by your doctor, or follow the directions that accompany the package. If you do not understand these instructions, ask your doctor, pharmacist, or nurse to explain them to you.
Wash your hands before and after using the eyedrops.
If you wear contact lenses, remove them before applying phenylephrine ophthalmic. Ask your doctor if contact lenses can be reinserted after application of the medication. Phenylephrine ophthalmic may contain a preservative (benzalkonium chloride), which may cause discoloration of contact lenses.
To apply the eyedrops:
- Tilt the head back slightly and pull down on the lower eyelid. Position the dropper above the eye. Look up and away from the dropper. Squeeze out a drop and close the eye. Apply gentle pressure to the inside corner of the eye (near the nose) for about 1 minute to prevent the liquid from draining down the tear duct. Repeat the process in the other eye if needed.
Do not use phenylephrine ophthalmic more often or continuously for longer than 48 to 72 hours without consulting a doctor. Chronic use of this medication may damage the blood vessels (veins and arteries) in the eyes. Consult a doctor if your symptoms do not improve or appear to worsen.
Do not touch the dropper to any surface, including the eyes or hands. The dropper is sterile. If it becomes contaminated, it could cause an infection in the eye.
Do not use any eyedrop that is discolored or has particles in it.
Store phenylephrine ophthalmic at room temperature away from moisture and heat. Keep the bottle properly capped.
Additional Neo-Synephrine Information
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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