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Before using phenylephrine eye drops
Before using phenylephrine eye drops make sure your doctor or pharmacist knows:
- If you are pregnant, trying for a baby or breast-feeding.
- If you suffer from glaucoma (increased pressure in the eyes).
- If you have heart problems or an irregular heartbeat.
- If you suffer from high blood pressure.
- If you have hyperthyroidism (an overactive thyroid gland).
- If you have diabetes.
- If you have asthma.
- If you are taking other medicines, including those available to buy without a prescription, herbal or complementary medicines.
- If you have ever had an allergic reaction to this or any other medicine.
How to use phenylephrine eye drops
- Wash your hands well before use.
- Remove the outer cap (or the tip of the vial if you are using unit dose vials).
- Tilt the head back and pull the lower lid of the eye out to form a pocket.
- Hold the container between the thumb and middle finger of the other hand and turn the container upside down near to the eye. Try not to touch the eye with the nozzle.
- Apply enough pressure to the container to release one to two drops.
- Close the eye and keep it closed for a minute or two.
- Repeat in the other eye if you have been instructed to use phenylephrine in both eyes.
- Replace the outer cap on the container. Try not to touch the applicator tip on any surface (including the eye or the fingers). If you are using the single dose vials, throw away the vial after each application.
- Wash your hands
Getting the most from your treatment
- Read the manufacturer's information leaflet before beginning treatment.
- Do not drive for 1-2 hours after using these drops.
- You should not wear soft contact lenses while you are being treated with this preparation.
- If your symptoms do not improve within a few days, or if they become worse, check with your doctor.
- If you are having any treatment like an operation or dental treatment, tell the person carrying out the treatment which medicines you are taking or using.
Can phenylephrine eye drops cause problems?
Along with their useful effects all medicines can cause unwanted side effects which usually improve as your body adjusts to the new medicine. Speak with your doctor or pharmacist if any of the following side effects continue or become troublesome.
| Common side-effects - these affect less than 1 in 10 people who use these drops | What can I do if I experience this |
| Stinging and blurred vision | Do not drive or operate hazardous machinery until your vision is clear |
| Eye pain or dislike of bright lights | This is usually mild and does not last long |
If you experience any other symptoms which you think may be due to this medicine, speak with your doctor or pharmacist.
How to store phenylephrine eye drops
- Keep all medicines out of the reach and sight of children.
- Store in a cool, dry place, away from direct heat and light.
- Eye drops only keep for a short while once opened - the container will say how long the drops can be used for. If you are still using the drops after this time, make sure you obtain a fresh supply. Single or unit dose vials must be thrown away after each use.
Important information about all medicines
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References
- Manufacturer's PIL, Minims® Phenylephrine Hydrochloride, Bausch & Lomb U.K Limited, electronic Medicines Compendium. Revised August 2002, accessed April 2009.
- British National Formulary; 57th Edition (March 2009) British Medical Association and Royal Pharmaceutical Society of Great Britain, London (link to current BNF).