くすりのしおり

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Revised: 1/2018

The information on this sheet is based on approvals granted by the Japanese regulatory authority. Approval details may vary by country. Medicines have adverse reactions (risks) as well as efficacies (benefits). It is important to minimize adverse reactions and maximize efficacy. To obtain a better therapeutic response, patients should understand their medication and cooperate with the treatment.
Brand name :
Privina Ophthalmic Solution 0.5mg/mL
 Active ingredient:
Naphazoline nitrate
 Dosage form:
clear and colorless solution (ophthalmic use)
 Print on wrapping:

Effects of this medicine

This medicine constricts blood vessels by directly acting on alpha-adrenergic receptor in the smooth muscle of vessels in conjunctiva to relieve blood shot eyes temporarily.
It is usually used in the combination with other therapeutic medicine for the disease causing superficial hyperemia.

Before using this medicine, be sure to tell your doctor and pharmacist

  • If you have previously experienced any allergic reactions (itch, rash, etc.) to any medicines.
    If you are a patient with glaucoma.
  • If you are pregnant or breastfeeding.
  • If you are taking any other medicinal products. (Some medicines may interact to enhance or diminish medicinal effects. Beware of over-the-counter medicines and dietary supplements as well as other prescription medicines.)

Dosing schedule (How to take this medicine)

  • Your dosing schedule prescribed by your doctor is ((        to be written by a healthcare professional))
  • In general, for adults, apply 1-2 drops at a time, twice to 3 times a day. The dosage should be adjusted according to the age or symptoms. Strictly follow the instructions.
    Over used in one day or prolonged use may cause worsening of blood shot eyes. Consult your doctor if the symptoms are prolonged.
    Since the effect of the medicine may appear stronger in children, follow your doctor's advises and observe the conditions of your children.
    Pay attention so that the tip of dropper does not touch eyelid or eyelashes.
  • If you miss a dose, use a dose as soon as possible. However, use the next dose at least 3 hours apart. You should never use two doses at one time.
  • If you accidentally use more than your prescribed dose, consult with your doctor or pharmacist.
  • Do not stop using this medicine unless your doctor instructs you to do so.

Precautions while taking this medicine

Possible adverse reactions to this medicine

The most commonly reported adverse reactions include extended accommodation near point, mydriasis, cold/dry feeling in eyes and hypersensitivity, etc. If any of these symptoms occur, consult with your doctor or pharmacist.
The symptoms described below are rarely seen as initial symptoms of the adverse reactions indicated in brackets. If any of these symptoms occur, stop taking this medicine and see your doctor immediately.
No pertinent entries.
The above symptoms do not describe all the adverse reactions to this medicine. Consult with your doctor or pharmacist if you notice any symptoms of concern other than those listed above.

Storage conditions and other information

  • Keep out of the reach of children. Store away from direct sunlight, heat.
  • Discard the remainder. Do not store them.

For healthcare professional use only : Day Month Year

For further information, talk to your doctor or pharmacist.