> Western Medicines > Latanoprost


Used for: Glaucoma, Ocular hypertension
Chinese name:

What is Latanoprost for?

Latanoprost belongs to a class of medication called prostaglandin F2-α analogue. It can lower the intraocular pressure by increasing the outflow of aqueous humor. Therefore, it is used to treat glaucoma and ocular hypertension.

How to use it?

Latanoprost is applied to the eyes. Instill 1 drop in the affected eye(s) once daily in the evening. Do not exceed once-daily dosing.


Lie down or tilt your head back. With your index finger, pull down the lower lid of your eye. Hold the dropper close to your eye with the other hand, and drop 1 drop into your eyes between your lower lid and eyeball. Gently close your eyes. Place your index finger over the inner corner of your eye for 1 minute.

What are the side effects of Latanoprost?

The common side effects of Latanoprost include eye pain, blurred vision, burning and stinging, conjunctival hyperemia, and upper respiratory tract infection.

Who should not take Latanoprost?

People who are allergic to Latanoprost, benzalkonium chloride, or any component of the formulation.

Pharmacist Tips:

  • There might be a chance for increased brown pigmentation of the iris which may be permanent and changes in eyelash. Both conditions can be reversible upon discontinuation of treatment.
  • Wash your hands with soap and water before and after using.
  • Shake the eye drops well just before each use.
  • Remove contact lenses prior to administration, and wait 15 minutes before reinserting.
  • Separate administration of other ophthalmic agents by at least 5 minutes.

Common dosing schedule:
Latanoprost should be applied to the eyes in the evening.


This schedule is for reference only, adjustments may be made according to individual needs.


Some common medications Latanoprost may interact with:

  • Prostaglandin analogue, e.g. Bimatoprost, Tafluprost, Travoprost

Please notify your doctor or pharmacist if you are taking the above medication, dosage adjustments might be needed.

Where to buy Latanoprost in Hong Kong?

In Hong Kong, Latanoprost is a prescription only medicine, and requires a prescription from a doctor to be purchased in a pharmacy. It can also be obtained from doctors. To find a pharmacy near you, refer to the list of pharmacies (“Authorized Sellers of Poisons”) from the Hong Kong Department of Health.


For more information about drug names and ingredients, you can visit Hong Kong’s Drug Office at https://www.drugoffice.gov.hk

Need more information?

For detailed information about the use of Latanoprost in children, pregnancy and breastfeeding, and for questions about drug interactions, please check with your pharmacist or doctor.

Disclaimer: our goal is to provide you with the most relevant drug information and common dosage for Hong Kong. This information does not constitute medical advice. For specific treatment recommendations and advice, always discuss with your doctor or pharmacist, and follow the instructions included with your specific medicine.

Brands in Hong Kong
Available dosage
  • 0.005% (Eye Drops)
Drug class
Anti-Glaucoma Agents
Sub class
Prostaglandin Analogues
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Used for: Ocular hypertension, Glaucoma
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