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Generic Name: Naphazoline ophthalmic [na-FAZ-o-leen-off-THE-mick]
The Brand Names are: Clear Eyes, Clear Eyes + Redness Relief Eye Drops for Redness Relief, A-Con, Albalon, Allersol, and Naphcon.
Classification of Drugs: Ophthalmic antihistamines and decongestants

What is Naphcon?

Naphazoline Naphazoline vasoconstrictor. It works by reducing the swelling of blood vessels in the eye to decrease the redness of the eyes.Naphcon (for eyes) is used to treat the temporary discomfort of minor eye irritation or redness caused by minor irritations.

Naphcon can also be employed for other purposes that are not covered in this guideline for medication.

Side effects of Naphcon

Contact a medical professional immediately. If you experience any of the following symptoms as warning signs of an allergic reaction, such as hives, difficulty breathing, and swelling of your lips, face, and tongue,

Naphcon may cause serious side effects. Take a break from Naphcon and contact your doctor immediately if you suffer from:

  • Chronic or worsening redness in the eyes;
  • Eye pain in the eye;
  • Vision changes;
  • Chest pain, rapid or irregular heart rate,
  • Extreme headache with a buzzing sound inside your ears, anxiety, or feeling tired.

Common negative side effects of Naphcon could be:

  • Minor burning or stinging sensations in the eye;
  • Watery or blurred eyes
  • Mild headache, dizziness, and nervousness.

The following is not an exhaustive list of the possible consequences, but other consequences could also occur. See your doctor to get medical advice regarding the effect. If you have any concerns, report them to the FDA by calling 1-800-FDA-1088.


Naphcon provides temporary relief from minor redness in the eyes or irritation caused by minor irritants.You shouldn't use Naphcon for those with narrow angle glaucoma.

Stop taking Naphcon and consult your physician immediately if you notice persistent or increasing redness in your eyes or eye pain, changes in vision, excessive dizziness or headaches, buzzing in your ear, or feeling short of breath.

Before you take this drug

It is best not to take Naphcon. If you're allergic to it or suffer from narrow-angle optic glaucoma.

Consult a pharmacist or doctor to determine whether it is appropriate for you to take this medication when you suffer from other medical conditions, including:

  • The heart condition, high blood pressure;
  • Diabetes;
  • A thyroid disorder
  • An accident to the eye or an infection.

FDA classification for pregnancy C It isn't known whether Naphcon could harm an unborn baby. Consult your physician if you are expecting or plan to become pregnant while taking the medication.

It isn't known if naphazoline ophthalmic is absorbed into breast milk or if it can harm nursing babies. Consult your physician if you are breastfeeding a child.

How to Take a Naphcon?

Take it exactly as indicated on the label or as recommended by your physician. Avoid using in larger quantities, in smaller amounts, or for longer periods than suggested.

Doing the medicine excessively or frequently can aggravate your symptoms and result in damage to the veins in the eyes.

Wash your hands thoroughly prior to applying the drops to your eyes.

To apply eye drops:

  • Adjust your head slightly and then pull your lower eyelids to create an eyelid pocket. Keep the dropper in front of your eye with the tips towards the lower. Keep your eyes towards the sky and then away from your dropper. Then squeeze one drop.
  • Close your eyes, then gently push your fingers towards the inner corner of your eye for around one minute in order to stop the tears from draining out of the tear drainage.
  • Only use the number of drops suggested.

Don't touch the tip on the dropper for your eyes or put it directly in your eyes. A dropper that is contaminated could cause an eye infection, which could result in severe vision issues.

Avoid using the eye drops if they are changing color or contain particles.

Keep at room temperature, away from heat and moisture. Avoid freezing. Close the bottle when not being used.

What happens If I miss a dose?

Because Naphcon is only used when required, you might not be on a regular dosing schedule. If you're following a schedule, take the dose you missed as soon as you can remember. Do not take any missed doses if you are close to the time of the next scheduled dose. Do not take any additional medicine to make up for the missing dosage.

What happens If I overdose?

Naphazoline overdose isn't expected to be a danger. Get medical attention immediately or contact the Poison Help line at 1-800-222-1222 in the event that anyone has accidentally taken the drug.

Make sure to keep Naphcon away from young children. Certain eye medicines can cause serious medical issues in children who swallow or suck up medicine in the form of eye drops.

What should be avoided?

Do not take this medicine when using contact lenses. Naphcon could contain a preservative that could alter the color of contact lenses. Make sure you wait for at least 15 minutes after taking the medicine before putting it in your contacts.

Interaction with other drugs

Talk to a pharmacist or doctor to determine if it's safe to use Naphcon when you are taking any of the following medications:

  • An antidepressant--amitriptyline, clomipramine, desipramine, desvenlafaxine, doxepin, duloxetine, imipramine, maprotiline, milnacipran, nortriptyline, venlafaxine;
  • Ergot medicine—ergotamine, dihydroergotamine, ergonovine, methylergonovine;
  • An MAO inhibitor—furazolidone, isocarboxazid, linezolid, phenelzine, rasagiline, selegiline, and tranylcypromine.

This list isn't exhaustive, and other medications may interfere with Naphcon. Inform your doctor about the medications you are taking. This includes prescriptions and over-the-counter or vitamin-based herbal remedies. Do not begin any new medication without first talking to your physician.