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Antihistamine (Eye Drop)

Drug Class: Commonly Known As: Category:
Antihistamine (Eyedrop) Adult, Children

Antihistamine (Eye Drop) - Dosage and How to Use

How should Antihistamine (Eye Drop) be used?

​Apply this medication to the affected eye once or twice a day as directed by your healthcare professional.

For proper use of eye drop:

  • Wash your hands with soap and water, and read the instructions on the label.
  • Shake the bottle.
  • Tilt your head backwards and look up.
  • Gently pull the lower eyelid down to form a pocket and squeeze the bottle to apply one drop into your eye. To prevent the tip of the bottle from getting dirty, make sure the tip does not touch the eye or any other surface.
  • Close your eyes and press down gently on the inner corner of your eye for 1 to 2 minutes to allow the medicines to be absorbed and prevent it from being drained into the back of your throat.
  • If you need to use more than 1 drop of medicine, or if you are using another type of eye drop, wait at least 5 to 10 minutes before applying the next eye drop. This is to prevent the first eye drop of medicine from being washed away by the second drop of medicine before it has time to work. This also prevents any medicine interactions between different eye drops. 
  • If your doctor prescribed both eye drops and eye ointments, you should use the eye drops first.  

For contact lens wearers:

  • Remove your contact lens before each application of medication.
  • If you are using hard lens, you can put them on directly after applying the eye drops.
  • If you are using soft lens, you can put them on for 30 minutes after applying the eye drops. Otherwise, your lens may be damaged by the preservatives present in the eye drops.

What should I do if I miss a dose?

​If you forget to apply a dose, apply it as soon as you remember. Then apply your next dose at the usual time. Do not apply two doses to make up for the missed dose.

What should I do if I overdose?

Antihistamine (Eye Drop) - Additional Information

  • Updated on Thursday, December 17, 2020
  • Article contributed by PSS National Medication Information Workgroup PSS National Medication Information Workgroup

    The information provided is not intended as medical advice. Terms of use. Information provided by SingHealth

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