Medicines & Supplements A to Z > Xalatan


Last updated on 03/12/2021.

Overview   |   Dosage   |    Side Effects   |   Precautions  |   Tips  |   Where To Buy  

GENERIC NAME: Latanoprost


DRUG CLASS: Anti–glaucoma agents

SUB CLASS:  Prostaglandin analogue

USED FOR: Glaucoma, Ocular hypertension

– 0.005% (eye drops)

What is Xalatan for?

Xalatan is a brand medication that contains Latanoprost, which belongs to a class of medication called prostaglandin F2–α analogue. It works by lowering the intraocular pressure by increasing the outflow of aqueous humor. It is used to treat glaucoma and ocular hypertension.

How to use it?

Xalatan is applied to the affected eye. Instill 1 drop in the affected eye(s) once daily in the evening. 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.

Store Xalatan under 2°C to 8°C. Discard 30 days after first opening.

What are the side effects of Xalatan?

Common side effects of Xalatan include eye pain, blurred vision, burning and stinging.

Who should not take Xalatan?

Anyone who is allergic to any component of Xalatan and Benzalkonium chloride.

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.
– 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 Xalatan 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 Xalatan in Hong Kong?

In Hong Kong, Xalatan 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

Need more information?

For detailed information about the use of Xalatan 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.