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National Drug Formulary

NAPHCON-A STERILE OPHTHALMIC SOLUTION [SIN04717P]

Active ingredients: NAPHCON-A STERILE OPHTHALMIC SOLUTION

View product's general information
Last updated 24 April 2026

Product Info

NAPHCON-A STERILE OPHTHALMIC SOLUTION

[SIN04717P]

Product information

Active Ingredient and Strength

NAPHAZOLINE HYDROCHLORIDE - 0.25 MG/ML
PHENIRAMINE MALEATE - 3 MG/ML

Dosage Form

SOLUTION

Manufacturer and Country

ALCON SINGAPORE MANUFACTURING PTE. LTD. - SINGAPORE

Registration Number

SIN04717P

Licence Holder

ALCON PTE LTD

Forensic Classification

GENERAL SALE LIST

Anatomical Therapeutic Chemical (ATC) code

S01GA51

Prescription-only Medicines with Exemptions for Supply without Prescription

NA

Indication

1. What Naphcon-A Eye Drops, Solution is and what it is used for

NAPHCON-A Eye Drops, Solution is a - combination of an antihistamine, pheniramine maleate and a decongestant, naphazoline hydrochloride prepared as a sterile topical ophthalmic solution.

Each ml contains:
Actives: Naphazoline Hydrochloride 0.025 %, Pheniramine Maleate 0.3 %.
Preservative: Benzalkonium Chloride 0.01 %. Boric Acid, Sodium Chloride, Sodium Borate, Disodium Edetate, Sodium Hydroxide and/or Hydrochloric Acid and Purified Water.

NAPHCON-A Eye Drops, Solution is used for relief of ocular irritation and/or congestion or for the treatment of allergic or inflammatory ocular conditions.

Dosing

3. How to use NAPHCON-A Eye Drops, Solution

Always use this medicine exactly as your doctor or pharmacist has told you. Check with your doctor or pharmacist if you are not sure.

  • One or two drops topically in the eye(s) three to four times daily.

  • To prevent contaminating the dropper tip and solution, care should be taken not to touch the eyelids or surrounding area with the dropper tip of the bottle.

The following measure is useful to limit the amount of medicine that will come into the blood after application of eye drops:

  • Keep the eyelid closed, while simultaneously applying gentle pressure to the lachrymal canal with a finger for at least 1 minute.

If a drop misses your eye, try again.

If you use more NAPHCON-A Eye Drops, Solution than you should, rinse it all out with warm water. Do not put in any more drops until it is time for your next regular dose.

If you experience side effects, or in case of accidental intake/ingestion of an overdose of NAPHCON-A Eye Drops, Solution, seek immediate medical attention, advice from your doctor, pharmacist or a poison control centre.

Taking substantially more of NAPHCON-A Eye Drops, Solution than the recommended dose, for example if NAPHCON-A Eye Drops, Solution is accidentally swallowed, may lead to severe side effects affecting the heart and blood circulation. Symptoms may include: decreased heart rate (bradycardia), severe headache, nausea, vomiting, problems with breathing, increased heart rate (tachycardia), and chest pain. Other serious reactions such as a fall in body temperature, drowsiness or other symptoms of depression of the central nervous system may occur (especially in children).

If you forget to use NAPHCON-A Eye Drops, Solution continue with the next dose as planned. However, if it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not use a double dose to make up.

If you are using other eye drop or eye ointment medicines, leave at least 5 minutes between each medicine. Eye ointments should be administered last.

If you have any further questions on the use of this medicine, ask your doctor or pharmacist.

Contraindications

2. What you need to know before you use Naphcon-A Eye Drops, Solution

Do not use Naphcon-A Eye Drops, Solution:

  • If you are allergic to naphazoline, pheniramine or any of the other ingredients of this medicine (listed in section 6 – please refer to the Product Insert/Patient Information Leaflet published on HSA for the full drug information).

  • If you have narrow angle glaucoma.